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Old 01-03-2020, 01:46 AM   #61
richbob
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Default

There’s a thread on here somewhere about that
Flaring the sides to alter radius
Armours web site won’t show mudguards
But they manufacture them for sure.
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Old 01-03-2020, 04:20 AM   #62
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Default Re: 1951 Panhead build thread

yes, there is. Although the photos gone blurry since the photobucket thing.

https://www.jockeyjournal.com/forum/...light=shrinker

And here's the article in lowbrow website
https://www.lowbrowcustoms.com/blog/....rcYav9Ay.dpbs

and the original thread on here that lowbrow refers to, but for some reason the post was deleted by RAZ.

https://www.jockeyjournal.com/forum/...+radius&page=2
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Old 01-03-2020, 05:47 AM   #63
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Default Re: 1951 Panhead build thread

try Sumo at vintagechops, he makes mudguards as you want, he is a perfectionist and well worth a talk to about what your needs are, ….
https://www.facebook.com/SumoVintageChop/
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Old 01-03-2020, 05:50 AM   #64
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Default Re: 1951 Panhead build thread

yeh I know Sumo, he doesn't make them as I want.
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Old 01-04-2020, 09:25 AM   #65
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Default Re: 1951 Panhead build thread

Dragged her out today to look at it for far so I can get fuel tank position right.
stupidly took the photos without rear fender on.. duh!

this one seems the tank seems to be too far back..



on this one.... too far forward...



but this one, to me, seems just perfect.
Distance from heads is perfect. and considering i'm not going to cut the front tank mounts, this works well.



Also made a threaded slug that I'll drop inside the top tube, weld it on and then shape to the curvature so the rear tank mount sits flush on the tube.
not sure if there's other ways to do it...but that's what came up in my head.
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Old 01-04-2020, 12:15 PM   #66
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Default Re: 1951 Panhead build thread

Yeah, the third one looks best to me as well.

Great looking build, nice work.
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Old 01-04-2020, 05:20 PM   #67
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Default Re: 1951 Panhead build thread

Trying to do a million things at the same time..
good news is a friend of mine stripped his pan and he's sending me his tranny support plate till mine gets here, means I can properly bolts things down.

meanwhile, started working on a seat mount, using the seat post with a rod (fully threaded or not) will bolt under the frame to keep the top part in place.
I'll then weld a couple of hinges.
still not sure where I'm going with this, but dont want a hinge in front of the seat. Want it all hidden. So need to think about it.
possibly double hinged so it can clean the frame when seat has to be lifted forward... and some kind of boxed section on the seat pan to keep it all tucked in there and pan in line with frame.



and a shot of that and the threaded bung, ready to be welded.

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Old 01-05-2020, 11:43 AM   #68
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Default Re: 1951 Panhead build thread

Another good day..
made a bracket extension for the tank front mount, although then looking at it I'm going to have to add something to the side, some kind of curve, too sharp line going from the roundness of the tank and then almost a 90 degree angle to the bracket...





Also here's a tip.
I'm sure all of you know, but I like to post stuff like this to help someone new to all of this.
it's always the simple things that give more pleasure in doing.

When you need to make a hole on something that has to be perfectly lined up..
Get a bolt that matches the thread of your threaded hole
Machine it into a tip..
Screw it on, lay your material in place, whack it and hey! you got a mark to drill perfectly.







final shots....
Going to use this fuel cap I brought from the US in amongst a bunch of other ones.
not sure if it's something special or someone just glued a harley badge to it... but I like it.



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Old 01-05-2020, 12:13 PM   #69
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Default Re: 1951 Panhead build thread

I like the inverted centre punch! smart idea.

Tank fitment and placement there is spot on too mate! excited to see her finished!
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Old 01-05-2020, 01:51 PM   #70
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Default Re: 1951 Panhead build thread

Gas cap is nice, although it makes me wonder if somebody saw the vent hole in the top of the cap and thought "Stupid place for a hole! I'll tidy it up with this bar-&-shield pin."
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Old 01-05-2020, 05:39 PM   #71
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Default Re: 1951 Panhead build thread

Quote:
Originally Posted by Ratso View Post
Gas cap is nice, although it makes me wonder if somebody saw the vent hole in the top of the cap and thought "Stupid place for a hole! I'll tidy it up with this bar-&-shield pin."
I have a few on this style with nothing on top and none have vent holes though.
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Old 01-05-2020, 09:25 PM   #72
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Default Re: 1951 Panhead build thread

Good! I'll stop wondering.
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Old 01-20-2020, 03:33 AM   #73
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Default Re: 1951 Panhead build thread

Not much to update, been busy with other stuff, but here's some of what happened this weekend.

Finally received my stuff from the US, including the tranny plate I needed.
here's 2 side by side...

On the left one for early transmissions, on the right, late transmission.
difference is the hole pattern on the front and the middle slots.
the early plates are slightly wider, which allow the early transmissions to drop in.

Now, mine fits!




Other than that...
I looked at that transition from the fuel tank curve into the bracket - which I didn't like. too sharp.
So I bashed some metal, welded it in, reshaped... think it looks better now.







Another thing I've been thinking is - how to secure K&Q seat to the rear fender.
Now I have seen lots of times done which is the usual bolt through... but this can be a right pain in the ass if you need to lift the seat and there's almost no space between fender and mudguard to put a spanner.

So, I have been thinking of using what is named out there as hood pop-up buttons.
- They are pretty strong when clipped together.
- I could make the seat base with a top hat spacer in order to adjust it so seat base and fender are close together when clipped.
-Due to the wide entry angle on the fastner, helps as the seat won't go down straight due to curvature.
- the top part will have a bolt and a bracket across the sissy bar.
- on the front I'm thinking of using a hidden hinge welded to a disc on the seat post and a rod all the way to the bottom of it with another washer/disc/spacer (don't know what to call it)



They are a lot smaller than these on the video, but you get the idea..

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Last edited by [JP]; 01-20-2020 at 10:15 AM.
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Old 02-11-2020, 05:18 AM   #74
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Default Re: 1951 Panhead build thread

Haven't had time to do anything on this, so many other things going on that I'm slowly losing interest.

haven't been in the garage for like 3 weeks or so.

Been thinking when it comes to do the seat pan (King and Queen) what are your suggestion in regards to the rear fender?
rear fender has a ridge on it.... so should I make the seat pan with the ridge - fck knows how as I dont have one of those bead roller things - or just cut the ridge on the fender (on only the area where the seat pan will go) and weld a flat plate in there.....
or....
any ideas?
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Old 02-11-2020, 07:00 PM   #75
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Default Re: 1951 Panhead build thread

Quote:
Originally Posted by [JP] View Post
Haven't had time to do anything on this, so many other things going on that I'm slowly losing interest.

haven't been in the garage for like 3 weeks or so.

Been thinking when it comes to do the seat pan (King and Queen) what are your suggestion in regards to the rear fender?
rear fender has a ridge on it.... so should I make the seat pan with the ridge - fck knows how as I dont have one of those bead roller things - or just cut the ridge on the fender (on only the area where the seat pan will go) and weld a flat plate in there.....
or....
any ideas?
Hey bud,

Why not make the seat pan out of fibreglass? can mold it to the fender? What I did on my pan with the K&Q!
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Old 02-12-2020, 03:26 AM   #76
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Default Re: 1951 Panhead build thread

did think about that, but have never used it before, won't it be too flimsy for a king and Queen?
what about the area from seat pan onto mudguard? that is kind of sligthly floating as it curves up.... won't that be weak?

I was also planning on doing the hump between rider and passeger out of metal for better suppport.... fibre glass might not be strong enough?

what about nuts on the back to screw fixing bolts to? hwo do you do that with fibreglass? weld a nut into a square piece of metal and then embed that into the middle of the fibre glass? will it be strong enough or will it move/brake as you tighten up a bolt?
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Old 02-12-2020, 03:53 AM   #77
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Quote:
Originally Posted by [JP] View Post
did think about that, but have never used it before, won't it be too flimsy for a king and Queen?
what about the area from seat pan onto mudguard? that is kind of sligthly floating as it curves up.... won't that be weak?

I was also planning on doing the hump between rider and passeger out of metal for better suppport.... fibre glass might not be strong enough?

what about nuts on the back to screw fixing bolts to? hwo do you do that with fibreglass? weld a nut into a square piece of metal and then embed that into the middle of the fibre glass? will it be strong enough or will it move/brake as you tighten up a bolt?
Fibreglass is SUPER SUPER strong dude. If you watch some vids how to do it, you "paint" strips on to the area and cross/build it up It'll form PERFECTLY to the shape you need. I ran my K&Q for a year just fine. FG is super strong once cured!.

I had a nut in mine to bolt it down to by sissy through mudgard. Rock solid. Just put a washer etc to spread the load.
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Old 02-12-2020, 04:03 AM   #78
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Default Re: 1951 Panhead build thread

mmhhh I have seen how its made, have a vague idea how it all works, but my firberblass experience is from fairings on track race bikes and never thought they were very strong...

might have to have a look at it, maybe do a small test.
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Old 02-12-2020, 05:44 AM   #79
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Default Re: 1951 Panhead build thread

I recently pulled the vinyl cover off a Corbin seat with a fiberglass pan. I was impressed by how thick the pan is. About 1/4" or 7mm for you euro guys.
My experience with sport fairings is that they tend to much thinner for weight savings.
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Old 02-18-2020, 06:31 PM   #80
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Default Re: 1951 Panhead build thread

Done a bit more on this thing today...

Dug out my sissy bar steel plate jig, drew up some measurements from the bike back end, drilled, tapped, done some more bungs for the bends - because I like to have the option to always go back to previous designs and not tacking bungs in place and then having to grind off.

Made this sissy bar, but dont really like it. the top is way too big and was the first time using an oxy kit so some bends have not bend exactly the same as the opposite side - bit of a learning curve of where to heat, I used to use a small circular forge on previous ones I done.
But this is all trial and error when you do something the first time. Also first time I'm doing something with this type of design. my previous one been way simpler tops.

anyway.. some photos. everyone likes photos.

working out where to drill and tap for the bungs using previous bits of bars - didn't work well though as I don't like it hahaha



tapped the holes



made a bunch of bungs for the jig...and a bung for the sissy bar end where it bolts to the axle plate. Prefer it to the simple way of just welding a flat steel plate in the end.



cracked on with the oxy kit and bending..



Need to make something that is more steady and holds the jig in place, this is not right and dangerous.





and kind of on the bike... don't like it though. Think I'll make a new one.
this one the top is way too big.. although I'll be making a king and queen.. i think would still be too big.
also, the bends near the rear fender are not exactly the same and my OCD doesn't like it..



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