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Old 11-01-2012, 03:11 PM   #1
Elffors
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Default Blown 45 build

Hello!
The build season is comming up here in sweden and my 45 is up for an overhaul again. I built it from an pile of parts from what must have been an seventies chopper.

Attachment 80272



After the first winter it looked like this
rather bobbish


Attachment 80273
Now i been drawn to more of a dragrace style.
The idea for now is to make it blown but maybe i go for a more radical N/A engine. Time will tell.
Hopefully i will have enough time and money to make this happen til next summer.

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Old 11-01-2012, 03:14 PM   #2
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Default Re: Swedish 45 build

Looks real good to me. I would keep it as it is!
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Old 11-01-2012, 04:06 PM   #3
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Default Re: Swedish 45 build

very cool first build on it, can't wait to see what you come up with
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Old 11-01-2012, 05:01 PM   #4
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Default Re: Swedish 45 build

thats real nice!
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Old 11-01-2012, 06:19 PM   #5
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Default Re: Swedish 45 build

nice bike as it is right now

keep us updated
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Old 11-01-2012, 06:30 PM   #6
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Default Re: Swedish 45 build

I hope the first picture is what you started with, & the second is the out come !!! That is sweet !!! Me personaly would not change a thing, it suits my taste as is !!!!
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Old 11-01-2012, 07:16 PM   #7
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Default Re: Swedish 45 build

Very well done!

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Old 11-02-2012, 02:20 AM   #8
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Default Re: Swedish 45 build

Thanks!
Nice is nice but i rather go for badass in terms of bikes.
If i where able to sell anything that i've made i would have sold it and start over with something else. But i can't....

The build season is the best season by far. This is what this hobby is about for me.

Transformation has already started. At the end of the summer it had 6 inch over springer but i have shortened it til original length.

Then i've dyno it to se how much air the engine consumes on it's own and how much it revs

The next thing is to determin the location of the blower. which affects pegs and pedals etc etc.
under the seat is the most natural placement. or in front of the engine.

First problem is that my Eaton m45 blower is to long, so the snout has to shortened as much as possible.
Hopefully i can get around to that this weekend.
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Old 11-02-2012, 06:32 AM   #9
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Default Re: Swedish 45 build

Forced air 45 ? Thats like a 80 year old man runing in the New York Marathon . I'll be watching this build with anticipation of flying parts.
Its your bike . The Bobber look was killer.
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Old 11-02-2012, 12:29 PM   #10
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Default Re: Swedish 45 build

Another vote for leave it like it is.Beautiful bike.
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Old 11-02-2012, 06:45 PM   #11
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Default Re: Swedish 45 build

I'm with these guys^^^ leave it alone!
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Old 11-02-2012, 07:12 PM   #12
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Default Re: Swedish 45 build

no matter what you do ,make lots of pics and post them

i've been thinking of building a blown /compressed "45 ...but i think it will break into pieces
that's why i decided to build "45 engines with matchless G3 cilinders and heads instead

(you can do a search here on cees fick /kees fick and you will find a thread and pics !)

but hey be my guest > i like special "45's and builders who think out of the box when building something redicule and fun !!!
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Old 11-02-2012, 09:28 PM   #13
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Default Re: Swedish 45 build

look up the brew dude's 45 turbo flat out flattie, might give you some ideas good luck and keep us in the loop this oughta be good
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Old 11-03-2012, 01:34 AM   #14
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Default Re: Swedish 45 build

Blown 45? Hell yes! I'll take two, sign me up...!
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Old 11-03-2012, 04:26 AM   #15
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Default Re: Swedish 45 build

Quote:
Originally Posted by fiddy View Post
I'm with these guys^^^ leave it alone!
This is not a vote thread about leaving this bike alone or not.

Quote:
Originally Posted by el diablo View Post
no matter what you do ,make lots of pics and post them

i've been thinking of building a blown /compressed "45 ...but i think it will break into pieces
that's why i decided to build "45 engines with matchless G3 cilinders and heads instead

(you can do a search here on cees fick /kees fick and you will find a thread and pics !)

but hey be my guest > i like special "45's and builders who think out of the box when building something redicule and fun !!!
So it was your bike in 45pic thread with matchless cylinders!?
Thats radical! Hats of to you.
I've thinking of such radical mods my self but doing some serious stuff in the past i know it doesn't work with small children and house restoration's.
it simply takes too much time.
But then i grow up to be an greybearded old bugger i will have an fully equipped machine shop in the garage and all time in the world. then!!!

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look up the brew dude's 45 turbo flat out flattie, might give you some ideas good luck and keep us in the loop this oughta be good
That i must check out.
I've been doing an tuboconversion of a japanese fourbanger bike before.
It took me 2years to get it all right. But man, that thing is ludicrus fast.

This will be more of an show off bike at the local hot dog stand. (swedish expression)
More show than go, to keep the engine together

Maybe the blower generates to much heat so the bikes overheats and seizes. Thats my biggest concern, or the cylinderwalls are to thin, so the cylinders cracks.

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Blown 45? Hell yes! I'll take two, sign me up...!
Naa.. sorry will only make one
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Old 11-03-2012, 09:37 PM   #16
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Default Re: Swedish 45 build

Keep the boost low or run lower compression. As long as the mixture is correct and air moving over the fins, it should live.
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Old 11-04-2012, 12:58 AM   #17
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http://www.jockeyjournal.com/forum/s...3293&showall=1
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Old 11-04-2012, 06:14 AM   #18
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Default Re: Swedish 45 build

This weekend the projekt was to shortened the snout. I got half way through this projekt then i realized that my work only had the inserts for the internal groovetool not the actual tool.
Well, i finished turning the new bearing surfaces which where the hardest part. Hopefully i can finish this by next weekend.

Quote:
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Keep the boost low or run lower compression. As long as the mixture is correct and air moving over the fins, it should live.
Lower? Im already down til 6:25 comp ratio.
But i am a bit anal about afr ratio's.
I'ts stupid to build an engine for a lot of $ and then seize it beacause you run a lean mixture.

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Thank's for sharing. How did it end?

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Old 11-04-2012, 07:49 AM   #19
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Default Re: Swedish 45 build

Its your build /bike. Looks like you do killer work. Will be watching. Heck there are Bobbers every where.
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Old 11-04-2012, 01:27 PM   #20
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Default Re: Swedish 45 build

Looked great as a bobber, but its your bike så kör hårt. Gone be a build to follow, keep it up...
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Old 11-18-2012, 10:30 AM   #21
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Default Re: Swedish 45 build

So i finally got around to work on this again.
The snout is done, and shortened 40mm (1.57 inches)
Next thing is to get sprockets, bearings and seal for the drive and machine a new shaft for the shortened snout.

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Old 12-17-2012, 01:37 PM   #22
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Default Re: Swedish 45 build

This is a slow moving build..
Anyway, at last i got something done. I made an new shaft fore the snout fitted bearings and seals, and found out to my suprise that the shaft is'nt straight by 0.02-0.03mm and the darn thing is turning backwards..
With a little tinkering the internals could be turned upside down som now it turns the right way again!
Here's an mock up picture

I think this is gonna be great!

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Old 12-17-2012, 03:20 PM   #23
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Default Re: Swedish 45 build

help us old guys see with some bigger pics, I still want to see where this is going, what I can see is looking good
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Old 12-18-2012, 02:33 AM   #24
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Quote:
Originally Posted by servi53 View Post
help us old guys see with some bigger pics, I still want to see where this is going, what I can see is looking good
Now the pic is bigger!

My bad. i'm not used to shrinking pics, this one got a little too small..

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Old 12-18-2012, 05:15 PM   #25
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Default Re: Swedish 45 build

Lookin real good, man.
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Old 01-14-2013, 02:55 PM   #26
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Default Re: Swedish 45 build

I must ask a stupid question...
Since we here in sweden have silly national sports like soccer and such and the americans have supercharging chevy smallblocks as theirs, i wonder do i go up in carburator size then i build a drawtrough set up or does the carburetor compensate for the added sucktion from the supercharger?

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Lookin real good, man.
Thanks!

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Old 01-14-2013, 03:44 PM   #27
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Default Re: Swedish 45 build

Hi Jon, nice to see a build thread here of your bike!

The megaphones will be even nastier sounding with an Eaton feeding them, I can´t wait to hear the result! Here is a clip I shot last summer by the way:

http://youtu.be/6yhsxWnCbvE

Cheers!
/Anders
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Old 01-14-2013, 11:34 PM   #28
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Default Re: Swedish 45 build

It isn't a stupid question. Now that you have asked it, I want to know the answer too.

One would think you would have to increase the size of the carb at least a small amount to allow the compressor to do its job and not be straining to breathe.

I agree with your statement about it being stupid to run one lean too. I have watched far too many guys ruin a perfectly good engine trying to suck that last 0.5hp out of it by running it just a touch leaner, and leaner, and leaner.....till they find the lockup point....
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Old 01-15-2013, 12:02 AM   #29
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Default Re: Swedish 45 build

Good question, but the looks of the pullies you are running close to 1:1 ratio.

Here's the deal, the blower is 45 cubic inches in displacement and is only about 65-70% efficient and that's at 4-8K rpm range.

The effective cubes is around 76".
That at 100% volumetric efficiency cause it's huffed makes a needed 111 cfm @ 5000 rpm.

Now what rpm is that 45 gonna be at most of the time? That is what you carb it to.

I suspect the carb you have now will be fine to start with if it was setup for a higher compression NA 45. Less cfm will limit max rpm, jets will determine fuel.

Best is to get it to idle and use a vacuum gauge at the carb base. Set it accordingly at that range. Move on to the next rpm range out of the idle circuit and jet it there. I would suggest an O2 sensor in the exhaust on each hole for best results. Maybe with another set of test purpose exhaust headers just to set it up, then when it's dialed in you can put the intended pipes on it.
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Old 01-22-2013, 02:54 PM   #30
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Default Re: Swedish 45 build

Finally i got the thumb out of my arse and actually did something with this build!

I laced up my backwheel with a 15" dropcenter rim and mounted my new tire.
I know it's probebly rubbish but this is more show than go. A flathead 45 is never ever gonna go as fast as this is gonna look


Quote:
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Good question, but the looks of the pullies you are running close to 1:1 ratio.

Here's the deal, the blower is 45 cubic inches in displacement and is only about 65-70% efficient and that's at 4-8K rpm range.

The effective cubes is around 76".
That at 100% volumetric efficiency cause it's huffed makes a needed 111 cfm @ 5000 rpm.

Now what rpm is that 45 gonna be at most of the time? That is what you carb it to.

I suspect the carb you have now will be fine to start with if it was setup for a higher compression NA 45. Less cfm will limit max rpm, jets will determine fuel.

Best is to get it to idle and use a vacuum gauge at the carb base. Set it accordingly at that range. Move on to the next rpm range out of the idle circuit and jet it there. I would suggest an O2 sensor in the exhaust on each hole for best results. Maybe with another set of test purpose exhaust headers just to set it up, then when it's dialed in you can put the intended pipes on it.
Thats right. ratio is 1:1.
Having done some calculations with the corky bell supercharger book, i found out thats going to be about 0.69bar boost which would result in a 50bhp+ range.
But i've learned that expectations should be set looow, because you can't bench race the dyno. it never lies and never live up to wild expectations...

I've got myself an used SU HS4 1½" inch carburator. it's about what i think is the right size.

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Old 01-22-2013, 03:20 PM   #31
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Hell yeah, that will work just fine. Get her to idle and then I would get a tuning set of pipes. Maybe some purpose built ugly ones with bungs for each hole so you can stick an O2 in there and really see, not guess what's happening. You only need one of those generic digital gauges and O2 kits.

50 hp is gonna make that little monster move out good. You're not gonna spin it high enough to make enough boost to hurt it......now change the ratio on the pullies and get the huffer spinning earlier....:0
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Old 01-22-2013, 03:22 PM   #32
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Default Re: Swedish 45 build

like this..

http://www.amazon.com/dp/B009AP975A/...SIN=B009AP975A
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Old 01-22-2013, 04:26 PM   #33
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Default Re: Swedish 45 build

Looks awesome with that HOOSIER on there. I'm running an SU on my servicar that was supposed to be good for a paperweight when it was given to me. Post up a video when you get it going, can't wait to see and hear it. keep up the good work. George
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Old 01-23-2013, 02:42 PM   #34
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Quote:
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Hell yeah, that will work just fine. Get her to idle and then I would get a tuning set of pipes. Maybe some purpose built ugly ones with bungs for each hole so you can stick an O2 in there and really see, not guess what's happening. You only need one of those generic digital gauges and O2 kits.

50 hp is gonna make that little monster move out good. You're not gonna spin it high enough to make enough boost to hurt it......now change the ratio on the pullies and get the huffer spinning earlier....:0
I've got one of those innovate lc1 things since my turbocharging days.

Have you ever held an japanese sportbike with 14PSI+ boost wide open on the public road, and trying to read those little afr gauges and trying to remember the reading at a certain rpm?
At the higher rpm you will be carrying the front wheel high, going at an ridiculus amount of speed............
I had enough of that, i leave the fine tuning to my dyno operator friend. Then i get my Afr on paper.
Rejet my Su, dynopull, rejet, dynopull, and so on. Til i get it just right.

Quote:
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Looks awesome with that HOOSIER on there. I'm running an SU on my servicar that was supposed to be good for a paperweight when it was given to me. Post up a video when you get it going, can't wait to see and hear it. keep up the good work. George
thanks! Su's can carry a lot of attitude, with their slight angle.
Uppkaftigt is the correct swedish word..
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Old 01-23-2013, 02:45 PM   #35
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Nope, can't say as I've ever ridden a boosted sportbike at wide open........My balls aren't that big
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Old 01-23-2013, 03:15 PM   #36
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Nope, can't say as I've ever ridden a boosted sportbike at wide open........My balls aren't that big
I see that those words came out wrong.
It wasn't bragging, it was me as a youngster doing stupid things with little respect for my own life.
Now i'm too old for that shit.
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Old 01-23-2013, 03:52 PM   #37
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No no, I didn't take it as that. I just know that I am dumb and my right foot is heavy....I would've tried that too when I was younger.

I can't wait to see the boosted 45"er up and running
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Old 01-24-2013, 02:49 PM   #38
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No no, I didn't take it as that. I just know that I am dumb and my right foot is heavy....I would've tried that too when I was younger.

I can't wait to see the boosted 45"er up and running
Then i'm not the only impatient one.
I just got a tip on an high performance oilfeedpump. Very expensive and very needed.... bugger!
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Old 01-24-2013, 03:19 PM   #39
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Default Re: Swedish 45 build

You gonna run that through a large cooler right? I would run a finned tube type, more capacity and help cool that 45 just as good measure.
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Old 01-24-2013, 03:26 PM   #40
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Default Re: Swedish 45 build

Actually I take that tube cooler back....You are a clever guy, maybe some aluminum or copper tubing tracing the frame with some small fins....Polished or not
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Old 01-26-2013, 06:55 AM   #41
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Default Re: Swedish 45 build

I don't know.
I have been checking if the oilhalf of the tank is getting hot after a long hard ride, but it never does.
Maybe the performance of the original pump is so poor that, the amount of hot oil returning is so little so the cooling effect of the slipstream is greater.
If that is so, it will change with a more powerful pump.
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Old 01-31-2013, 03:29 PM   #42
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Now the charger is mounted, It's hard if you want both function and good looks. changed the bolts to the same style as the camcover bolts. Much better.
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Old 01-31-2013, 04:00 PM   #43
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Default Re: Swedish 45 build

Looks good, will that chain length be an issue without and idler/tensioner? Would hate to see what happens if it jumps off at full noise?
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Old 01-31-2013, 06:29 PM   #44
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Default Re: Swedish 45 build

I think that would be a wise move.

Both the pump and the tensioner.

Can't wait to see the plumbing.
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Old 02-01-2013, 05:36 AM   #45
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Default Re: Swedish 45 build

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Looks good, will that chain length be an issue without and idler/tensioner? Would hate to see what happens if it jumps off at full noise?
I don't see that it will loose it's tension over night or nowhere fast. Soo if i think it's loose i can raise the charger with shims.
The chain is extended by an half link, so i don't have shorten it by a full link then its to loose to be shimed.
Did anyone make any sense out of that?

Anyway, this bike, if completed, is not an trouble free daily driver. It has never been during my ownership. I spend about an half hour before or after each ride checking that everything is ok. That way i don't have had nany mecanical failures so far.
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Can't wait to see the plumbing.
Me neither. It ain't gonna be pretty, but i will try to make the best of it
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Old 02-01-2013, 10:34 AM   #46
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Default Re: Swedish 45 build

like where that thing is going

keep the updates comin'
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Old 02-01-2013, 11:05 AM   #47
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...this bike, if completed, is not an trouble free daily driver. It has never been during my ownership. I spend about an half hour before or after each ride checking that everything is ok. That way i don't have had nany mecanical failures so far.

What bike ever has been completely trouble free. If they are, then they are not ridden enough in my opinion.

Where are you stickin the carb?
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Old 02-01-2013, 11:09 AM   #48
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Default Re: Swedish 45 build

Hi, cool bike. Will you try it out on A-Bombers old style weekend, or some other places this summer?
Just so others can watch it live.
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Old 02-01-2013, 12:01 PM   #49
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like where that thing is going

keep the updates comin'
Yes sir!
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What bike ever has been completely trouble free. If they are, then they are not ridden enough in my opinion.

Where are you stickin the carb?
I just mean that i can get away with solutions that will never work on my daily driver car. If i have to raise the bonnet on that stinki'n thing more than twice a year it has been a bad year.

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Hi, cool bike. Will you try it out on A-Bombers old style weekend, or some other places this summer?
Just so others can watch it live.
Actually i live with in a few miles of backamo and has attended the last couple of years. If the bike is completed til then i will be there this year too
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Old 02-01-2013, 01:08 PM   #50
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Default Re: Swedish 45 build

I am just wondering what type of intake system you are planning, is all.

Blow through?
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Old 02-02-2013, 01:29 PM   #51
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I am just wondering what type of intake system you are planning, is all.

Blow through?
No Draw through, I know it's no good but it will look better. would have choosen blow through if i had fairing to hide it behind

Mecanical fuel injection would be bad ass like hilborn or kugelfischer but not in this version of the build
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Old 02-10-2013, 02:52 PM   #52
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Default Re: Swedish 45 build

Today i spent the day fiddeling with the carb to charger mount and cutting and widening a dresser's front fender to use as my rear fender. i think this fender is a keeper.
But It will be hell to make that manifold shiny...

Last edited by Elffors; 03-13-2014 at 04:20 PM.
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Old 02-10-2013, 03:16 PM   #53
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Default Re: Swedish 45 build

I love it!

What about a lake injector? Might be hard to come by.

That setup you have will work fine. Might need a primer to start cold.
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Old 02-10-2013, 03:20 PM   #54
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Lake injektor?
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Old 02-10-2013, 03:47 PM   #55
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Yeah

http://www.jockeyjournal.com/forum/s...d.php?t=102422
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Old 02-10-2013, 04:10 PM   #56
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Default Re: Swedish 45 build

i know someone who has a lake injector, i bet he would sell it too.
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Old 02-10-2013, 11:48 PM   #57
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That's one sweet carb!!
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Old 02-11-2013, 01:26 AM   #58
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Default Re: Swedish 45 build

You guys got some good shit going on.
Thanks for sharing.
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Old 02-11-2013, 12:47 PM   #59
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Get it running! Im getting anxious...
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Old 02-11-2013, 02:02 PM   #60
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Default Re: Swedish 45 build

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i know someone who has a lake injector, i bet he would sell it too.
Intresting, It's probably out of budget but i like too know what he would sell it for anyway.
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You guys got some good shit going on.
Thanks for sharing.
Thanks!

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Get it running! Im getting anxious...

Cool down, It's still winter here, and a lot of work left to be done.
Today i striped down the SU before cleaning and modification. I've got an old paper about modifying these carbs to work without fuel pump.
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Old 02-11-2013, 02:27 PM   #61
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Default Re: Swedish 45 build

Yeah the fender looks good!
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Old 02-11-2013, 03:30 PM   #62
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Default Re: Swedish 45 build

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Today i striped down the SU before cleaning and modification. I've got an old paper about modifying these carbs to work without fuel pump.
A larger needle and seat would work well.



There was two company's that was making these that I knew of.



Also would be a good idea to enlarge the drilled port from the bowl to the main jet.
And install a smaller float for more gas in the float chamber...



These are available in brass or the New Stay-Up Floats....



The new StayUp® float is resistant to modern ethanol based fuels and has a military spec closed cell construction making it puncture proof. The float has been designed taking into consideration the brass original so that the specification remains the same except the new construction.
The material specified was used by the S.U Carburetor Company for military installations in the 1980s, where a guaranteed fail safe operation was critical. The secret behind the material has been released again and upgraded for the manufacture of this float, making it virtually unsinkable.

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Old 03-03-2013, 02:22 PM   #63
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Default Re: Swedish 45 build

Well there's not been a lot of updates here.. Progress is slow.
I decided to try an crankcasepressure fed fuelpump fore my su carb. they are small and cheap and common in snowmobile or boating applications.

Other than that, carb has been refurbished and new parts has been ordered.

My 70mm alloy bends for my plumbing has come and been returned to sender, they were way to big to be fitted between chargerdrivechain /frame and chargerdrivechain/ rear barrel.

Alot of time has been wasted on fenderbrackets.
Functional bracket is easy, good looking are difficult.

But this weekend i tried metal spinning for the first time, I was trying to make a velocitystack for the Su, but it was alot harder than it looked on youtube.
(almost everything is)
I need an thinner and softer alloy, than i think it will work. time will tell
Heres a couple of pic's of failure and an su pic

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Old 03-10-2013, 07:06 AM   #64
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Default Re: Swedish 45 build

I've been testing this metalspinning method, and its fun.
I made a velocitystack and a bracket for the carb but i messed it up when welding them together So it made no sense to make it shiny
try,try again
New bracket is made and if my hangover would let go, i would spinn another stack. its quite easy once you get the hang of it.
it took like 15-20tries before i got it right.

Last edited by Elffors; 03-13-2014 at 04:20 PM.
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Old 03-10-2013, 12:39 PM   #65
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Default Re: Swedish 45 build

Getting closer......weather warming up?
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Old 03-10-2013, 01:33 PM   #66
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Default Re: Swedish 45 build

thats what i like about the swedish guys always doin wild shit
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Old 03-10-2013, 02:07 PM   #67
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Getting closer......weather warming up?
Naa.. Spring is around the corner but just now it's -10degrees celcius.

soo much to do, so little time. (Read family)

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thats what i like about the swedish guys always doin wild shit
Thanxs!
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Old 03-10-2013, 04:48 PM   #68
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Good man.
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Old 03-18-2013, 03:05 PM   #69
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Default Re: Swedish 45 build

Im trying to sort out the plumbing for the charger to intake.
I have 3 pieces, chargeroutlet, pipe and intake
Since im aiming for a look older than me, i can't remember what old racers would have used in terms of hoses and clamps.

options known to me is v-band clamps, wiggins clamps and silconehose and standard ABA clamps. They all feel to modern for an 1950-ish style racebike. What do you think?
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Old 03-18-2013, 03:19 PM   #70
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Default Re: Swedish 45 build

http://www.alfabb.com/bb/forums/spid...h-keeping.html
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Old 03-18-2013, 03:30 PM   #71
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Default Re: Swedish 45 build

Honestly the blower isn't exactly the old timey kind. Function over form would make the form fit the bike I would think.

Your craftsmanship is fantastic anyway. I doubt a clamp of any kind would end up looking bad once you are done.
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Old 03-18-2013, 03:46 PM   #72
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Honestly the blower isn't exactly the old timey kind. Function over form would make the form fit the bike I would think.

Your craftsmanship is fantastic anyway. I doubt a clamp of any kind would end up looking bad once you are done.
I know its not a true period build but i like to keep it as old looking as i resonably can.
Here in sweden we have these old 50-ish cabincompressors from the saab "flying barrel" jetfighter. But i can have like 5 of these modern eatons for the price of one useless saabcompressor.
So money AND speed made me do it

And thanks
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Old 03-18-2013, 03:50 PM   #73
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That's what I was thinking...cost over form over function..or some combo of those.

Just get it working then, we can talk pretty!

You could just add some tie wire to the clamps bolts to make it look racier..
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Old 03-18-2013, 03:59 PM   #74
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That's what I was thinking...cost over form over function..or some combo of those.

Just get it working then, we can talk pretty!

You could just add some tie wire to the clamps bolts to make it look racier..
I liked the heavy duty look on the hose that you linked. kinda dumptruck radiator hoseish.
I guess it's back to the industrial warehouse AGAIN, they know me by first name by now.
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Old 03-18-2013, 04:24 PM   #75
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Default Re: Swedish 45 build

Very Interesting stuff - keep i commin..!!
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Old 03-18-2013, 04:27 PM   #76
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I liked the heavy duty look on the hose that you linked. kinda dumptruck radiator hoseish.
I guess it's back to the industrial warehouse AGAIN, they know me by first name by now.

DUMP truck!!

That's classic Alpha Romeo stuff. well yeah I guess its the same.
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Old 03-20-2013, 05:30 AM   #77
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DUMP truck!!

That's classic Alpha Romeo stuff. well yeah I guess its the same.
..Some say, of all the diehard classic carfans in the world, the alfa fans are the ones who rides their classic cars the least...
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Old 03-20-2013, 05:34 AM   #78
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Very Interesting stuff - keep i commin..!!
Thanks!
If i could get the hang of aluwelding a bit better the updates would be rolling in, in spades.
It's always some black crap appering from nowhere that messe's it up.
what was now again that was next to godliness?
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Old 03-20-2013, 11:47 AM   #79
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Thanks!
If i could get the hang of aluwelding a bit better the updates would be rolling in, in spades.
It's always some black crap appering from nowhere that messe's it up.
what was now again that was next to godliness?

I did an oil pan once like that...

Chased a leak for days and never got it. Some aluminum is poorly cast and had crap in it. All you can do is clean and weld and clean and reweld the same and clean and reweld. You've got the idea already I'm sure.
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Old 03-20-2013, 12:26 PM   #80
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I would pile the miles on that bobber first.
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Old 03-20-2013, 01:01 PM   #81
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Love this build. Hotrodding at it's finest!
Not sure why you need a fuelpump? To me it looks like an old Volvo SU? I used to have one of those on my shovel. No pump, no problem. If you're worried about running lean, an idea maybe would be to run 2 bowls. Added plumbing I know, but would look right at home with the racey look you're going for
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Old 03-20-2013, 03:44 PM   #82
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I did an oil pan once like that...

Chased a leak for days and never got it. Some aluminum is poorly cast and had crap in it. All you can do is clean and weld and clean and reweld the same and clean and reweld. You've got the idea already I'm sure.
It's not a cast piece, it's from an left over box at work.
The damn piece was eloxerad ( swedish word don't know the english word) Anyway. i finally pulled through but it was not pretty but no one should know unless i run them over, but then they will have bigger problems than an unpretty weld

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I would pile the miles on that bobber first.
I piled miles on it for 2years but since children arrived in my life its easier too sneak out at night to build bikes than to sneak out at daytime to ride bikes. now it's chopped anyway

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Love this build. Hotrodding at it's finest!
Not sure why you need a fuelpump? To me it looks like an old Volvo SU? I used to have one of those on my shovel. No pump, no problem. If you're worried about running lean, an idea maybe would be to run 2 bowls. Added plumbing I know, but would look right at home with the racey look you're going for
I have the old Dollar sullivan papers for modifying volvo HIF6 SU's for use without fuelpump but it does not apply to my MG HS4 SU. It needs a pressure of approx 0.2bar to work properly.

Thanks for loving the build. Can't have enough of that
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Old 04-03-2013, 03:01 PM   #83
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Default Re: Swedish 45 build

I'm having a hard time sticking with one part at the time.
There are alot of almost done parts in this projekt.
I'm influenced by dragracing and old aircrafts so i almost made this:Attachment 83689
It's a safety device in case of backfire. But im not completely satisfied with it. screws are to many and to small.
So a new one is in the making, and so it goes on..

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Old 04-03-2013, 03:08 PM   #84
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Default Re: Swedish 45 build

Keep it commin´.... ;o)
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Old 04-03-2013, 08:06 PM   #85
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A burst panel?

All the ones Ive encountered have springs forcing the plate closed against the block. They are rated at way more pressure than the blower makes, but less than it takes to blow the heads off.
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Old 04-04-2013, 03:15 PM   #86
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Had to google that.
Yes it's a burst panel. Designed to burst at an explosion but foremost to look cool on my manifold.
I will have an springloaded pop off valve to handle small backfires and such. But i haven't found any designs that i like yet.
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Old 04-04-2013, 04:49 PM   #87
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You could make one that was a cone shaped plug. Have it on a tri-pod bracket, with a stud mounted on the backside. The spring would force it closed by being under the tri-pod bracket with the stud allowing it to be forced open but stay straight and the shut by the return spring.

Think valve in port with a valve spring but the valve face would be facing backwards and the valve would be outside the chamber being pushed away.
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Old 04-10-2013, 03:22 PM   #88
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Originally Posted by JAWS View Post
You could make one that was a cone shaped plug. Have it on a tri-pod bracket, with a stud mounted on the backside. The spring would force it closed by being under the tri-pod bracket with the stud allowing it to be forced open but stay straight and the shut by the return spring.

Think valve in port with a valve spring but the valve face would be facing backwards and the valve would be outside the chamber being pushed away.
I've been thinking about this. your idea ain't bad.(read good)
My latest ideas are leaning towards some sort of rocker like in a valvetrain. Function is easy. function and looks is difficult. Soo i will change my mind again and again....

during all this mindchanging i keep fiddeling on my pressure pipe and bloweroutlet. There are a lot of welds on that thing but i will grind most of them down and sandblast it for a more cast look.
I throw in an mock up pic to give an idea of final look but im not pleased with it so i keep change my mind again.............
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Old 04-17-2013, 03:11 PM   #89
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Default Re: Swedish 45 build

I think this build needs a speedmaster tire and a new handlebar.
21" rim and spookes showed up today and a set of pipes with internal throttle and ignition showed also. The style of bar in mind belongs to one of the most worn out styles around here.
the boardtrack.
Just writing the word makes me sick.
But since most people is soo far off the mark by, doing it half ass on a japanese 80-ish midsize what ever, it still feels fresh to me.
If i nail it i will post it.
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Old 04-17-2013, 03:12 PM   #90
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post it even if it sucks!
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Old 05-07-2013, 02:54 PM   #91
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Default Re: Swedish 45 build

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post it even if it sucks!
Haven't got around to that yet. damn i'm slow
To make myself look better i blame my workbuddy's severly overcrowded garage. Since he has an pipebender but has been unable to dig the bender out. But this weekend he has to dig it out to bend some for our workplace. So that excuse won't work no more..

I laced up an 21"rim and mounted an avon tire. Soon all the bobber attributes will be gone.
Left is just the world's slowest badass flathead dragbike

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Old 05-08-2013, 12:20 AM   #92
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Default Re: Swedish 45 build

Definitely one of my very favorites, but that is obvious....
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Old 05-08-2013, 02:06 PM   #93
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Definitely one of my very favorites, but that is obvious....
(beer talking )
Sometimes it feels like this thread is from me to you. But it's ok. i kinda like it.
If i was washed up on the shore of maui, all i needed to do was find an computer and post an pm, and i would have at least have an couch to crash on.
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Old 05-08-2013, 02:46 PM   #94
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Default Re: Swedish 45 build

And a meal or two, prolly some more beer and definitly a bike to bomb around on...
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Old 05-09-2013, 10:55 AM   #95
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Default Re: Swedish 45 build

that 45 is the nuts! love it!
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Old 05-14-2013, 02:06 PM   #96
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Default !

Finally the plumbing fits!


That thing under the charger was a plain bent pipe in the beginning. After being cut up 7times and welded back together it took some serious work to smooth it out again. Tada! now it's a plain bent pipe again
But with a tighter radius...

And i will have to make my self a third burst panel and pop of valve. to make the plumbing complete

But i have all i need for the new handelbar. That feels like it's way more fun so that have priority.

Inspired by at not too unfamiliar pic...



I also ordered some meathookgrips but i don't know if im gonna use them. They where so cheap i couldn't resist.


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And a meal or two, prolly some more beer and definitly a bike to bomb around on...
Ahh..! good to know. If this very unlikely chain of events took place i would know that it would all work out in the end.

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that 45 is the nuts! love it!
Glad that you like it. can't get enough of that!
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Old 05-14-2013, 06:55 PM   #97
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Looking good!
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Old 05-15-2013, 03:47 PM   #98
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Is it just me or can you see the pictures in Elfors last post?
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Old 05-15-2013, 11:59 PM   #99
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Nope cant see em.
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Old 05-16-2013, 12:23 AM   #100
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Default Re: Swedish 45 build

I love this bike!
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Old 05-16-2013, 01:33 PM   #101
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Strange.. On this computer i can see them but at work i can't see them.
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Old 05-17-2013, 02:01 PM   #102
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Default Re: !

Quote:
Originally Posted by Elffors View Post
Finally the plumbing fits!


That thing under the charger was a plain bent pipe in the beginning. After being cut up 7times and welded back together it took some serious work to smooth it out again. Tada! now it's a plain bent pipe again
But with a tighter radius...

And i will have to make my self a third burst panel and pop of valve. to make the plumbing complete

But i have all i need for the new handelbar. That feels like it's way more fun so that have priority.

Inspired by at not too unfamiliar pic...



I also ordered some meathookgrips but i don't know if im gonna use them. They where so cheap i couldn't resist.




Ahh..! good to know. If this very unlikely chain of events took place i would know that it would all work out in the end.



Glad that you like it. can't get enough of that!

Can you see the pics now?
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Old 05-17-2013, 02:53 PM   #103
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Default Re: Swedish 45 build

Yup. Nice and clearanced for the chain...
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Old 05-17-2013, 03:38 PM   #104
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Default Re: Swedish 45 build

I had an unevenness in the outer radius of the velocitystack, which i discussed with my sheetmetal guy at work. He recomended tapping it out with an ballhammer against a piece of metal with the right radius.
But man was that some delicate tapping! 1mm of alu, and not leaving bigger dents than 0.2mm.
To get the picture: Tapp a fly hard enough in the head to piss him of, but not hard enough to kill him, 2000times!
Well, He would have died about 30 times, beacause it was 30 dents that took longer time to smooth out than the evening was long..
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Old 05-18-2013, 01:47 AM   #105
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no way in Hell I would have the patience or fortitude to accomplish what you described...
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Old 07-03-2013, 07:48 PM   #106
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It's been way too long for an update....

BUMP!!!!
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Old 07-06-2013, 01:40 PM   #107
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Default Re: Swedish 45 build

I know!!

See if i at least can get my lazy ass down to the garage and take some pics of the last undocumented update.
Wife is 8½months pregnant, so time for bike building is pushed aside.
Instead i have to finish a zillion other projekts around the house

But i bought an ancient ac/dc tig welder from work for 20$ It works! If had that before, my manifold would have been done in no time..
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Old 07-08-2013, 03:02 PM   #108
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Default Re: Swedish 45 build

Here are some pics.
It gives a rough feel for the new bar.
it isn't finished yet. I have only shortened one of the grips, etc etc.
Had some trouble with the threads in the end of the bar and with the threaded stop plug.
When a no name manufacturer of aftermarket plug makes a plug for a no name aftermarket handlebar from an other manufacturer there just have to be trouble.
especially then you can't tap the damn thing because of the choosen 57/64"-24tpi thread.
Luckally i make my own plugs that fits in my lathe..
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Old 07-08-2013, 08:04 PM   #109
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Looks good.. Love the bars. Where are you gonna put the controls? Mids or rears?

Honestly I don't know why you are in the garage when your poor wife is pregnant. Insensitive prick....

Thanks, I needed this.

I love this bike.
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Old 07-09-2013, 06:25 AM   #110
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Quote:
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Looks good.. Love the bars. Where are you gonna put the controls? Mids or rears?

Honestly I don't know why you are in the garage when your poor wife is pregnant. Insensitive prick....

Thanks, I needed this.

I love this bike.
Rear would be hardcore but mid would be easier to ride with. so i think i go for mid.
I was just down for a minute, for the first time in weeks, to snap those pics.
When i got back wify moned about her tummy. An undistinctiv unpleasant feel. I posted the pics. 8 intense hours later i held my son for the first time.
An humbeling experience
Now i have someone to teach all my knowings of the metal trade, whether he wants it or not
But i can't have my shop in order anymore or something dear to me, it will be scratched and dented.
o Well..
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Old 07-09-2013, 01:51 PM   #111
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CONGRATULATIONS!!!!!!!!!!


The bike can wait.
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Old 07-09-2013, 02:39 PM   #112
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Crongrats!!!
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Old 07-12-2013, 02:04 PM   #113
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Default Re: Swedish 45 build

This is one of those useless questions with out a pic. but here i go anyway.
An old schreader carb was given to me yesterday by ex boss/fan of mine. It was made out of cast copper and had an linkert looking flange to the manifold the manifold was t-shaped with really small bores. I was told that The back of the carb had an backvalve function. The small parts of the valve function were in a small bag beside.

Guesses?
It doesn't even has to be an motorcyclecarb but some how i think so.
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Old 07-12-2013, 03:31 PM   #114
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congrats on the new arrival, we all need someone to tear our shit up so we can fix it later, you'll know what I mean as he gets older. By the way the 45 is looking better all the time
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Old 07-12-2013, 03:59 PM   #115
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This is one of those useless questions with out a pic. but here i go anyway.
An old schreader carb was given to me yesterday by ex boss/fan of mine. It was made out of cast copper and had an linkert looking flange to the manifold the manifold was t-shaped with really small bores. I was told that The back of the carb had an backvalve function. The small parts of the valve function were in a small bag beside.

Guesses?
It doesn't even has to be an motorcyclecarb but some how i think so.


You are right........useless.

Are you sure it's not from an old tractor?
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Old 07-14-2013, 03:00 PM   #116
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Quote:
Originally Posted by servi53 View Post
congrats on the new arrival, we all need someone to tear our shit up so we can fix it later, you'll know what I mean as he gets older. By the way the 45 is looking better all the time
Hopefully he's a wild thing like i was who tear my shit up and not a couch potato. thanks by the way!

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You are right........useless.

Are you sure it's not from an old tractor?
And to add to the useless'ness it was a schebler not a schreader. And im not sure of anything.
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Old 07-15-2013, 08:46 AM   #117
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Default Re: Swedish 45 build

It looks cool, cant give a glue to what it came from thou i first thought off an old tractor...wasent a Massey anyway...
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Old 07-15-2013, 12:08 PM   #118
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Looks like a early indian ( or Harley) carb. The thing on the bottom is a heater, draws warm air from between the cylinders. Manifold looks JD ish. They drop down, not a straight T, to miss the tanks.
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Old 07-15-2013, 12:21 PM   #119
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Looks like a early indian ( or Harley) carb. The thing on the bottom is a heater, draws warm air from between the cylinders. Manifold looks JD ish. They drop down, not a straight T, to miss the tanks.
.
.
.

.
.
.
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Old 07-15-2013, 03:50 PM   #120
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Default Re: Swedish 45 build

Thank's guy's!
look's like it's a JD or similar carb.
Now i want the rest of that bike. i have had the urge fore one of those for years.

Got the handlebar done for this build today, well almost. just the last 5% and some grinding and sanding which is most boring thing i know.
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Old 07-15-2013, 06:42 PM   #121
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Default Re: Swedish 45 build

Just found this thread. Way Cool. You encourage me to finally get back at and finish my blown pan project. Started accumulating parts many, many moons ago. Still dream about it, maybe it's time to do it....
Aloha from Maui....
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Old 07-16-2013, 07:32 AM   #122
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yes it's time, but only if you do a build thread on it. Love to see blownpan. he he
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Old 07-16-2013, 08:48 AM   #123
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Default Re: Swedish 45 build

Looks great as is, don't change a thing unless you as the owner want something else. Perfection is in the eyes of the owner!!
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Old 07-16-2013, 08:19 PM   #124
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yes it's time, but only if you do a build thread on it. Love to see blownpan. he he
Started digging the parts out last nite. Bought a basket case '59 FLH about 40 years ago and wanted to do a blower, so been collecting parts since then. Done a lot of other projects during that time, and I think the '59's time has come. Will do a build thread. You've given me some good ideas.

Just finished a '55 Chevy gasser style, blown Olds power, it's a 'gas' to drive!
There's a thread over at the HAMB on that one.
http://www.jalopyjournal.com/forum/s...d.php?t=419442
Aloha...
Willy

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Old 07-17-2013, 03:28 PM   #125
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Default Re: Swedish 45 build

I'll bet a basket case pan was dirt cheap in the us 40 years ago. Wish i have been there if i was born at the time..

Ill check out the chevy, sounds intresting!
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Old 07-17-2013, 05:33 PM   #126
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The car and bike are both sick!

Can't wait to help with that pan and the other pan and the sturgis and the other 55...
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Old 07-20-2013, 08:49 AM   #127
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Default Re: Swedish 45 build

I finally got the bar done. The grips got unnessesary thick but what to do. Its modified springer spirals i based my grips on.
The bar got the same surface treatment that the megafones got. Oilsoaked rag and the blowtorch, it gives a cool rough feel to the metal. Blacksmith'ish kind of feel
.
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Old 07-20-2013, 09:11 AM   #128
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Default Re: Swedish 45 build

That rear tyre is sweet. It says "get the fuck outta my way!"Nice bike too.
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Old 07-20-2013, 09:17 AM   #129
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If you can, when you get this bike going post a video of it running down a strip. Cheers Deuce.
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Old 07-20-2013, 02:12 PM   #130
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That rear tyre is sweet. It says "get the fuck outta my way!"Nice bike too.
Quote:
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If you can, when you get this bike going post a video of it running down a strip. Cheers Deuce.
Yeah,the bike carries more attitude than speed i'm afraid.
But since the bike is so small and im so tall i can hardly ride the thing with any dignity left anyway. it's more art to me than bike

progress is so slow so i've given up summer of 2013 and is hoping for 2014. So don't be inpatient about vids.....
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Old 07-20-2013, 08:51 PM   #131
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Because of recent welcomed circumstances, I promise to be patient.


Not a minute later....
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Old 07-24-2013, 05:54 PM   #132
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progress is so slow so i've given up summer of 2013 and is hoping for 2014.....
I know that feeling.... Know it quite well in fact......
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Old 07-25-2013, 07:13 AM   #133
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Default Re: Swedish 45 build

I love this thread, that 45' looks awesome! A lot of nice things are build in Sweden, this is just one of them!
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Old 07-27-2013, 04:11 PM   #134
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I love this thread, that 45' looks awesome! A lot of nice things are build in Sweden, this is just one of them!
Thanks alot!

Since lightning struck out my internet connection, i've found some time to actually do something instead of just whining here about lack progress.

I made a to do list of 20 things to do before starting this thing up.
Mainly small things like fuel lines etc. and some bigger like fabing up some pegs and pedals.
There are 18 left.
Sadly, visually there will be no suprises from here on. What you see is what it gonna look like.
Maybe if it finishes well before next summer i might try to fab my own gastank, but it ain't no priority in this stage. With a little luck lightning strikes again!!
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Old 07-28-2013, 03:35 PM   #135
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Don't tease us its mean!!!
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Old 07-28-2013, 05:46 PM   #136
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Default Re: Swedish 45 build

From what pictures I can see, Like.
Cheers thanks for sharing.
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Old 07-30-2013, 02:27 PM   #137
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Thanks guy's!
16 left.
Here are som details i've been fiddeling on today.
It's a bar end plug and a petcock. The petcock(?) is made out of an old plumbing part i found at friends house a couple of years ago. I knew right then that it was made to be an petcock som day!
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Old 08-04-2013, 03:56 PM   #138
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I where at the A-bombers meet to get some inspiration. When i stumbled on this panbobber. It was a real sweet machine by all means but some of the details stuck out the crowd.
Aside from having the twin mr3 linkerts bolted directly to the heads and an mechanical revcounter from the ignition, it featured this genius no clutch gearchange contraption that dragstews showed a while ago.

That thing just won't leave me alone. Hopefully i can forget and move on or i just have make and master this gearchanger, there are no other outcome!

And by the way. I changed the thread name. The new name does a better job of telling that this thread is about. rather than the old name that wasn't so exciting...

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Old 08-04-2013, 04:15 PM   #139
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You need to build that.... Gear changer. Only brass pedal like a Lee clutch pedal.

Super racecar it would be!

I thought you had a new kid?
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Old 08-04-2013, 04:18 PM   #140
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speed-e-shifter
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Old 08-04-2013, 04:23 PM   #141
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Yeah,i Do. this half day away from family took some serious negotiation.
Next time when she and the girls go to the horseshow i'll be stuck home with the kids....
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Old 08-04-2013, 04:26 PM   #142
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Speed e shifter! Thanxs I'll google that.

http://www.youtube.com/watch?v=ee33o6GLAg8

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Old 08-04-2013, 05:01 PM   #143
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thats the rear side yeah
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Old 08-04-2013, 06:49 PM   #144
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Isnt there a thread on it?

Jesse has one. Maybe he will chime in.
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Old 08-04-2013, 07:22 PM   #145
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Default Re: Blown 45 build

There is a thread with some talk on the Speed-E.

http://www.jockeyjournal.com/forum/s...ters&showall=1

http://www.jockeyjournal.com/forum/s...=speed-e-shift

Back in the day when these was on the market, they got a nick-name of "The Tranny Buster" Set-up had to be right on or it would make instance junk out of the trans....




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Old 08-05-2013, 08:08 AM   #146
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There is a thread with some talk on the Speed-E.

http://www.jockeyjournal.com/forum/s...ters&showall=1

http://www.jockeyjournal.com/forum/s...=speed-e-shift

Back in the day when these was on the market, they got a nick-name of "The Tranny Buster" Set-up had to be right on or it would make instance junk out of the trans....



Thanks guy's ,i'll look into to this.
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Old 08-05-2013, 01:37 PM   #147
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See that there shift pedal on Jesse's bike. Needs to be brass on yours only no rubbah pad...Knurled maybe.

Sick

Congrats again on the kid. Put some tools and parts in the crib with the little rascal. Nothing sharp!
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Old 08-05-2013, 04:09 PM   #148
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Quote:
Originally Posted by ccknight429 View Post
Great looking bike
THanks!

Quote:
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See that there shift pedal on Jesse's bike. Needs to be brass on yours only no rubbah pad...Knurled maybe.

Sick

Congrats again on the kid. Put some tools and parts in the crib with the little rascal. Nothing sharp!
This thing takes some serious planning if it's do able. There are alot of chains where this contraption would be. But it is insanely cool.


Thanks for the word knurled, it has to mean lettrad in swedish.

when i was 2years old in the seventies i nicked dad's powerdrill and made some holes in the barnfloor. When i was 3 i got my first own knife. That wasn't so smart..
Anyhow the securitytaliban mothers of today won't let that happen so there will only be useless softplastic tools in the crib... sadly
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Old 08-05-2013, 04:29 PM   #149
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Aw Shoot....

Give the little Fellow a Rubber Hammer and a Solid Cast Iron Ball...
Let him have some fun before he tears up one or the other.....

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Old 08-05-2013, 04:41 PM   #150
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He has already found balls to play with...
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Old 08-05-2013, 04:43 PM   #151
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Take him out and let him play and eat dirt!

He's a boy!!!!

Moms are making an army of pussies nowadays. Boys should be allowed to be boys. How else are they gonna learn to be men?
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Old 08-08-2013, 06:30 AM   #152
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I might have misunderstood the speedy shift.
First i thought that you needed too pull the leverer every time you needed to go from upshifting to downshifting, and from downshifting to upshifting.

But is it so ,that you only need to pull the leverer when you down shift otherwise it will always upshift?
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Old 08-08-2013, 10:21 AM   #153
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I might have misunderstood the speedy shift.
First i thought that you needed too pull the leverer every time you needed to go from upshifting to downshifting, and from downshifting to upshifting.

But is it so ,that you only need to pull the lever when you down shift otherwise it will always upshift?
Your pretty much right.

Lets say that your you just starter the bike...(In Neutral)
You will need to pull in the lever to down-shift into first and from there you will not need to do anything with your left hand but hang on for all other up-shifts.

The lever only is used for down-shifts and for finding neutral..
Must be in first or second gear for the neutral to work..
By pulling the lever half way in and a kick on the Clutch/Shift pedal will put the tranny in neutral...




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Old 08-19-2013, 02:18 PM   #154
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Default Re: Blown 45 build

Hello again. Just finished up something again. It's a pop up valve
I got a thing for open valvetrains.
I just got to have a bike with it sometime
exposed mechanics is just magnetising.
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Old 08-19-2013, 02:22 PM   #155
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That's even better design and look than we were discussing earlier....for the burst plate.

You are a craftsman a slightly confusing and possibly twisted individual, but a true innovator none the less.

what is the opening psi?
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Old 08-19-2013, 02:46 PM   #156
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That's even better design and look than we were discussing earlier....for the burst plate.

You are a craftsman a slightly confusing and possibly twisted individual, but a true innovator none the less.

what is the opening psi?
I know that i've been fiddeling with the burst valve back and forth but i couldn't get it to blend in with the rest of the bike.
What if it backfired while im far away from the garage and burst plate bursted?
I've come up with a way to spring load the whole manifold pipe to the Y manifold part so i can take a pretty big back fire and still make it home with just a simple screwdriver.

And for the confusing part i think it's just a language barrier on my behalf. I can't express myself on this language so everything makes sense. and jokes just don't come out right.

I dont know about the psi, but i plan on running about 10psi boost. and let the valve open at 14psi. It's just a matter of cutting up an innertube and clamp it to the pipe and see what pressure it takes to open the valve and change springs til i get the desired result.

Last edited by Elffors; 08-19-2013 at 02:52 PM.
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Old 08-19-2013, 03:02 PM   #157
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Default Re: Blown 45 build

I like the design and the theory behind it. Did you test it to blow off pressure at a certain PSI? I assume you installed a spring rated for whatever pressure you want it to relieve the intake. It's a very neat, simple idea.

I read your edit after I posted.
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Old 08-19-2013, 03:35 PM   #158
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I know that i've been fiddeling with the burst valve back and forth but i couldn't get it to blend in with the rest of the bike.
What if it backfired while im far away from the garage and burst plate bursted?
I've come up with a way to spring load the whole manifold pipe to the Y manifold part so i can take a pretty big back fire and still make it home with just a simple screwdriver.

And for the confusing part i think it's just a language barrier on my behalf. I can't express myself on this language so everything makes sense. and jokes just don't come out right.

I dont know about the psi, but i plan on running about 10psi boost. and let the valve open at 14psi. It's just a matter of cutting up an innertube and clamp it to the pipe and see what pressure it takes to open the valve and change springs til i get the desired result.

LOL. I get your jokes just fine. I think you speak this language better than most, especially those folks from around here....

The burst panel or popup valve like you have is designed for over PSI no matter where it comes from. Some burst panels actually break some are spring loaded and reset. Volume is the limiting factor with your smaller popup not allowing it to release all of the back pressure if a back fire did occur.

However another one with a slightly stronger spring would double the volume and you could hide it. It would stay closed until needed.....Hell, you could make it exactly like the other and put in next too. Even have colored springs for identification.

Imagine some onlookers scratching thier heads as to what it was for and others who are in the know would compliment you on the simplicity and functionality of such cool looking pieces.
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Old 08-27-2013, 01:05 PM   #159
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Default Re: Blown 45 build

I'm concerned that there's enough movement in that chain that it will eat into the manifold pipe. Cool project though, love watching it come together.
Aloha,
Willy
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Old 08-27-2013, 02:23 PM   #160
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I'm concerned that there's enough movement in that chain that it will eat into the manifold pipe. Cool project though, love watching it come together.
Aloha,
Willy
I Think you're right.
It's on my to do list.
I will shorten the pipe in front of the chain by 1/4" and extend the charger outlet by the same amount.

The reason for this is two fold. Enhancing hose clamping area and creating a greater chain clearance.

But i have also given a chain tensioner a serious thought. I think it can be made functional and pretty. Combined they will solve this problem.

Tjenixen,
Jon.
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Old 08-27-2013, 02:36 PM   #161
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Default Re: Blown 45 build

A matching small sprocket on a spring or pneumatic device would do the trick.

Think hood lift strut and small trans sprocket. Maybe on a cantilever and some speed holes all over including the gear or windows...
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Old 08-27-2013, 03:13 PM   #162
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Something like that. It's in my head. Think holedrilled, spring activated, cobrasnake in attack position -and exchange head for a really small duplexsprocket and you're there too.
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Old 08-27-2013, 04:12 PM   #163
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Something like that. It's in my head. Think holedrilled, spring activated, cobrasnake in attack position -and exchange head for a really small duplexsprocket and you're there too.
Yup....or windowed larger sprocket. Two of them samwiched together and timed so the "spokes" are in the windows of the other sprocket.
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Old 08-27-2013, 06:15 PM   #164
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like it more every time I look, fantastic attention to details can't wait to see it finished
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Old 08-27-2013, 07:58 PM   #165
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This is one great build and I love your bike.You definitely have an eye for detail and do some fantastic fab. work. I'm looking forward to seeing the finished bike.
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Old 08-27-2013, 11:59 PM   #166
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The relief valve looks the goods.
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Old 08-31-2013, 12:57 AM   #167
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Thanxs guy's!
Im halfway through fabbing up my midpeg, controls andchaintensioner part of the build.
pics will come

Anyway i have read in the blown 93pan thread that the waste spark of the magneto comes at a bad time when you blow these puppies.
could the morris single fire set up work on my hunt magneto?
I can't see a reason why not.
http://www.shop.morrismagneto.com/pr...c?productId=15
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Old 08-31-2013, 01:07 AM   #168
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I dont see why not. Cap change for single lead right?
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Old 08-31-2013, 06:42 AM   #169
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can wait to see that, should be interesting
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Old 09-01-2013, 02:38 PM   #170
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Got the pegshaft and peg clevisis (?) done.
I Like the thought of upfolding pegs since my sportbike days of biking. Sometimes i get carried away and i just hate it, when pegs limits my cornering speed.

Anyhow, it got a little wide but they should hold the clutchleverer and chaintensioner. Then i will know if, and by how much they can be narrowed. It's the wrong bolt in the pic but i only had unc 1/2" and it's threaded unf 1/2"

There will be no holedrilling in the chaintensioner sprocket cause i ordered the smallest duplex sprocket i could find and it's about an inch in diameter.
I have calculated that it would be turning 20.000rpm so it needs a ballbearing to stop it from seizing.

Now i just wish i was 5 feet tall instead of 6,3.
Then i could actually ride this thing with any dignity....

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Old 09-01-2013, 06:39 PM   #171
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Cornering hard to the left is going to chew on your shoes....bigfoot.

Looks great.! But you knew thst already..
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Old 09-06-2013, 09:36 AM   #172
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this thing rules
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Old 09-06-2013, 01:41 PM   #173
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Thanxs Stephen. A pat on the back never hurts.

Mr Jaws you should have seen the kick ass clutch leverer that took some real early hours and some late from work to fab up.

looking at it brings a little tear of pride to my left eye....
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Old 09-06-2013, 01:44 PM   #174
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I would love to see it...
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Old 09-06-2013, 03:15 PM   #175
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Default Re: Blown 45 build

I'm just pulling your fin.
with just the smallest of hooks..
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Old 09-06-2013, 04:55 PM   #176
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Default Re: Blown 45 build

Hmmmm

naughty boy.....not nice to tease a cave man.

We are dumb and only understand pictures
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Old 09-09-2013, 03:19 PM   #177
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Default Re: Blown 45 build

I Have been fiddeling with an chain activated clutch solution but i have decided to bin it. One chain too many.
Pics of midpeg footclutch solutions are more than welcomed.
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Old 09-09-2013, 03:31 PM   #178
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Default Re: Blown 45 build

I like the idea, but the chain will fall off if the pedal moves back and slacks it.

Linkage.....levers in a similar pattern as the chain, with a bell crank. Lots of holes or windows maybe.

I like how busy this side of the bike is. Lots of visual stimuli.
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Old 09-09-2013, 06:15 PM   #179
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Default Re: Blown 45 build

I love 45's!!

OK, got that outa the way...

Now then, I've been following this thread all along & I'm finally gonna toss my worthless opinion into the mix -
Keep the chain clutch release! All you have to do is put in some sort of travel limiter for the pedal so that the chain can't get too loose. Not so tight that it's keeping tension on the chain & keeping load on the clutch, but just enough to keep the slack in the chain to a minimum.
You gotta keep it - it's too cool & it fits the build.
(as I mentioned at the beginning - my worthless opinion - it's worth what you paid for it )
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Old 09-10-2013, 02:33 PM   #180
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Default Re: Blown 45 build

Quote:
Originally Posted by JAWS View Post
I like the idea, but the chain will fall off if the pedal moves back and slacks it.

Linkage.....levers in a similar pattern as the chain, with a bell crank. Lots of holes or windows maybe.

I like how busy this side of the bike is. Lots of visual stimuli.
Quote:
Originally Posted by Phlogisticated View Post
I love 45's!!

OK, got that outa the way...

Now then, I've been following this thread all along & I'm finally gonna toss my worthless opinion into the mix -
Keep the chain clutch release! All you have to do is put in some sort of travel limiter for the pedal so that the chain can't get too loose. Not so tight that it's keeping tension on the chain & keeping load on the clutch, but just enough to keep the slack in the chain to a minimum.
You gotta keep it - it's too cool & it fits the build.
(as I mentioned at the beginning - my worthless opinion - it's worth what you paid for it )
I had an similar solution on the previous version of this build.

It had an travellimiter on the leverer so that the chain wouldn't slack after release, which it did on my first ride an left me clutchless..

Anyhow.
at the current state it looks like a girl with 3 tits. (o yes google had plenty of pics of that too.)
Which is nice in theory but just doesn't feel right when you lay your'e hands on them.

And..
It doesn't work cause, leverer sprocket is so small that you need to turn it over 90 degrees to get decent clutch action.

Im leaning towards an wiresolution with an ratio 1:2 to help limit travel of the leverer
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Old 09-11-2013, 12:22 PM   #181
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Default Re: Blown 45 build

nice work
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Old 09-16-2013, 03:16 PM   #182
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Default Re: Blown 45 build

I'm Back from the drawingboard. I've come up with this, and it works!
Changed the two sprockets to one leverer and one "knee"
The knee has an ratio of 1:2ish.
I'm not entirely happy with the rod between them but it has stay for now.

There has to be an chaintensioner behind that rod and i don't want it to be hidden behind an overdesigned clutchrod
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Old 09-16-2013, 04:07 PM   #183
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Default Re: Blown 45 build

Yeah baby!!!!
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Old 09-16-2013, 04:10 PM   #184
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Default Re: Blown 45 build

I dont think the tensioner will look crowded. I believe that the bike as a whole is funtional AND form. Each piece byitself is great. Combined they all compliment the whole.
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Old 09-17-2013, 02:45 PM   #185
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Default Re: Blown 45 build

Ohh crap. I think it has happened again. Since i've read mads super x thread. My mind has been locked on casting my own OHV heads.

It has always happened to me, when im into an multi year project something cooler comes along with an new itch to scrath.
Hopefully i can shake this itch off like the speedy shift itch.
Jj is an dangerous place to hang

I'm fighting it back with: It's way cooler with an working blown flattie than an garage full of unfinished cool projects.
Now it's feels better
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Old 09-17-2013, 05:02 PM   #186
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Default Re: Blown 45 build

I get that feeling right after a ride... I want another toy...

Damn sickness
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Old 09-17-2013, 06:39 PM   #187
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I love the linkage.
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Old 09-20-2013, 03:49 PM   #188
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Default Re: Blown 45 build

one half done chaintensioner


It'a a very crowded place where that tensioner is placed. Maybe i will go for an smaller sprocket but it needs to be roundabout this size so there is enough material left to the bearings. It's got that rough " hammered out on an anvil look" because
it's hammered out on an anvil

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Old 09-20-2013, 04:23 PM   #189
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Default Re: Blown 45 build

That's a crazy setup!
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Old 09-20-2013, 05:16 PM   #190
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Default Re: Blown 45 build

Damn it! I cant see these new pictures...
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Old 09-21-2013, 12:28 AM   #191
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Quote:
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Damn it! I cant see these new pictures...
Is that better?
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Old 09-21-2013, 02:10 AM   #192
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Is that better?

Yes, thanks.

It is wonderfully busy on that side of the bike. Like it should be. Simple and perfect.
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Old 09-23-2013, 03:07 PM   #193
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Default Re: Blown 45 build

Got that tensioner working.
Decided to go with hole drilling, i was afraid that it was gonna be too much but i think it worked.
Reworked the cluthclinkage, ....again.
Maybe it's not so old looking but it's clean, mechanical and foremost, -i like it!
Time to change side and start on the brakepedal.
Just need to change the sprocketbolt...

Last edited by Elffors; 09-23-2013 at 03:12 PM.
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Old 09-23-2013, 03:50 PM   #194
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Default Re: Blown 45 build

Drill and safety wire the bolts on the crank. I've been meaning to mention that, both looks and function wise.

Great job on the linkage and tensioner. Fits perfect!
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Old 09-23-2013, 11:36 PM   #195
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Default Re: Blown 45 build

Your'e right about that. It's been naggin me too.
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Old 09-23-2013, 11:42 PM   #196
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Default Re: Blown 45 build

Vicariuos bike building at its best!

I love this bike.... I know Ive said it before.

Shit! I realy do dig it. Wish I could see it in person.

You are a definite craftsman.
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Old 09-24-2013, 09:31 AM   #197
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Agreed. Fantastic bike!
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Old 10-04-2013, 03:30 PM   #198
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Default Re: Blown 45 build

Thanks for the kind words.
Jaws, send back the swedish bikiniteam, and i will post more updates!

Jokes aside, i've been working on the brakepedal but when inspiration is lacking it feels more like work than fun.
Like this morning then i had an 4" long pipe that needed some decoration.
I arrived an hour early at work to make 4 long slots in the cnc machine. I was pretty but..
it would have fitted perfectly on an wide tire 120"evo billet bike because it got that cncbillet feel that cncmachines make.
But im not making that kinda of bike so thats has been binned.

Singel fire leeds are making slow progress a cross the pond. but there are not so many hurdles left to tackle, so im aiming for an start up around christmas this year. Then i will have 5months to work out bugs before the riding season comes.

What are typical good charger cams like?
What features are desirable?
Low lift, high lift, long duration, short duration etc.
I have the possibilty to draw and mill my own lobes. i have drawn KH lobes. But haven't made any yet. The single fire leeds makes longer duration possible. Which i think is desirable.
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Old 10-05-2013, 01:30 AM   #199
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Default Re: Blown 45 build

Wide Lobe separation angle like 112 for scavenging. Lift and such cause its forcefed isnt as crucial as duration and separation, in my experience. Although i have little experience with blown bikes, I am assuming the theory is similar......


I could be full of shit and all f'd up too, and what works for my race car shit may not for the bike world...


Take that with a grain of salt.


Anywho, cant wait for the first fire up.
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Old 10-05-2013, 06:11 AM   #200
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Default Re: Blown 45 build

wow
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Old 10-05-2013, 06:40 AM   #201
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Default Re: Blown 45 build

Quote:
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Wide Lobe separation angle like 112 for scavenging. Lift and such cause its forcefed isnt as crucial as duration and separation, in my experience. Although i have little experience with blown bikes, I am assuming the theory is similar......


I could be full of shit and all f'd up too, and what works for my race car shit may not for the bike world...


Take that with a grain of salt.


Anywho, cant wait for the first fire up.
The info can't be far off the mark, then the people who really know couldn't resist shedding some light on the subject.

I seem to remember that separation on my turbobike was like 106-109.
I used to know alot more about this then i was building that bike but now it seems a bit foggy.
Anyhow i will dig in to that when i have a decent runner...
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Old 10-05-2013, 04:05 PM   #202
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Default Re: Blown 45 build

You are right about that.

I hope some with more on the ball will chime in as you get closer.


Video of it running please. Call it my Christmas present!
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Old 10-12-2013, 10:14 AM   #203
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Default Re: Blown 45 build

It's a bit slow in progress ...again.
But my tigwelder is in need for som tlc and i have spent alot of time improving on my shitty easteuropan boiler cause house heating season is comming up.

Anyway. The morris singlefire cables have showed up.
Heres some before and after pics:
Before, clean and classic look.


After a complete mess. But i will have to tidy it up when i know which cables go where.

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Old 10-12-2013, 12:46 PM   #204
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Isnt it going to fire all at the same time?

If so trip folks out... One set to the left and one to the right.
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Old 10-13-2013, 06:08 AM   #205