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Old 07-12-2014, 06:42 PM   #1
ELpolacko
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Default Frame build: 1936 stuff

Pinner gave me the opportunity to build a frame for one of his customers. Wanted to put a 1936 Knucklehead engine/trans and rear wheel into a VL frame. Originally it was supposed to get a 14" over Harmon Girder but was nixed because it was just too ridiculously long and in bad shape to boot. Instead we ended up with a rough but fixable 8" over knuckle springer.

The mockup:









Beers were drank, decisions were made and then started chopping!





Went 3" up on the neck and added 7 more rake. That meant modifying the two bottom cups that took the down tube and over engine tube.



New down tube, made from heavy wall chrome-moly.



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Old 07-12-2014, 06:49 PM   #2
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Default Re: Frame build: 1936 stuff

More adjustments and new motor mounts fabricated to move the engine over to the correct centerline.





Backbone fabrication:





The old running board loop was long gone. I made a new one and Dr Marvelus made a new peg shaft to go in it.





More mockups, this time with an old 38 engine we had laying about.... and trying some ideas on the seat post that would give us clearance for the transmission and stock primary.







Dr Marvelus sculpting the I-beam section to connect the back bone tubes to the seat post.











I did some clean up on the spring leg:



More test fitting:

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Old 07-12-2014, 06:57 PM   #3
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Default Re: Frame build: 1936 stuff

Brass time!







Pinner did the save on the fork leg, then he and Dammit Dan did some quickie clean up and polishing to both before sending them to nickle plating.





The trans mount got hacked out and repositioned, tons of welding and grinding then some gusseting and swearing. Anger and aggression won out and created a beautiful piece. Last minute brackets and some extra brass to fill up the divots.







Clean up!



Assembly to make damn sure everything fits as it is supposed to.













Ships to LA by courier tomorrow afternoon. Now to get crackin on the engine..
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Old 07-12-2014, 07:13 PM   #4
Destralo Roach
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Default Re: Frame build: 1936 stuff

Nice!! Not many people would customize a 36 knuck now days!!

And you had a 38 motor just laying around!!!!! o.O

Roach.
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Old 07-12-2014, 07:20 PM   #5
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Default Re: Frame build: 1936 stuff

very nice work
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Old 07-12-2014, 07:57 PM   #6
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Default Re: Frame build: 1936 stuff

Wow, looking forward to seeing more!
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Old 07-12-2014, 08:33 PM   #7
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Default Re: Frame build: 1936 stuff

That is really nice work. Did you raise the front of the tranny to make it level? looks like your kicker stands straight up, and not VL down hill? The tranny on a VL goes downhill but the kicker is straight up, unlike regular BT tranny.
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Old 07-12-2014, 08:51 PM   #8
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Default Re: Frame build: 1936 stuff

Nice metal work on the frame...I also like the valance you put on the upper front leg to match the rear..I am building almost the identical bike...although with a not-quite so valuable knuck motor...mine being a 47,albeit twin carbed...in a 34/6 frame (top half of one,bottom of the other)with a 2 over in-line...
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Old 07-13-2014, 08:36 AM   #9
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Default Re: Frame build: 1936 stuff

Great stuff, thanks for showing the inbetween steps. People don't realize how much time and labour go into these bikes.

Cheers
Lester
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Old 07-13-2014, 09:11 AM   #10
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Default Re: Frame build: 1936 stuff

Amazing!
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Old 07-13-2014, 11:52 AM   #11
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Default Re: Frame build: 1936 stuff

awesome attention to detail, getting all your ducks in a row, and doing it proper!

beautiful work!
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Old 07-13-2014, 11:54 AM   #12
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Default Re: Frame build: 1936 stuff

Quote:
Originally Posted by flatman View Post
That is really nice work. Did you raise the front of the tranny to make it level? looks like your kicker stands straight up, and not VL down hill? The tranny on a VL goes downhill but the kicker is straight up, unlike regular BT tranny.
we cut out the VL trans pad and relocated it offset and flat, added reinforcements and a fifth mount to use an un-modified BT trans. Hit this link to see it. I didn't get the picture but Dr Marvelus did

instagram.com/p/qX_FESEsV9/
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Old 07-13-2014, 11:56 AM   #13
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Default Re: Frame build: 1936 stuff

Quote:
Originally Posted by chopperTony View Post
Nice work! Really cool. Does anyone know if I can rebuild a frame like that so a early pan engine can fit in it?
I think it's possible. Might need a bit more clearance for the tin tops, but I have seen them in these frames.
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Old 07-13-2014, 12:03 PM   #14
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Default Re: Frame build: 1936 stuff

NICE work, as always.
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Old 07-13-2014, 12:09 PM   #15
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Default Re: Frame build: 1936 stuff

Nice clean work as usual, Polacko!

I like the way you guys handled the tranny mount modification, as well as the build-up on the front downtube, looks very nice.

Geo.
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Old 07-13-2014, 01:58 PM   #16
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Default Re: Frame build: 1936 stuff

Incredible.
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Old 07-14-2014, 12:13 AM   #17
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Default Re: Frame build: 1936 stuff

fuck!

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Old 07-14-2014, 07:25 AM   #18
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Default Re: Frame build: 1936 stuff

That is, to my eye, one of the nicest VL frame mods I have ever seen. If I had the money, and the frame, you would be getting a package in the mail to tweak for me. Unfortunately I'm short on both counts. Sorry. Regardless, it's gorgeous.

C
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Old 07-14-2014, 08:09 AM   #19
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Default Re: Frame build: 1936 stuff

wow.. that's some serious awesome work!!
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Old 07-14-2014, 02:10 PM   #20
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Default Re: Frame build: 1936 stuff

The frame and fork have been delivered.

Cat is out of the bag now, Craig Jackman has it and is to put this one on the road for Duggan. Going to be on the Motorcycle Cannonball with the dual carb VL we did last year. I think Kosuke is supposed to have a hand in this too.. will be interesting to see it finished up.

I will do my best to update this thread with new stuff.

Just a few last pictures before we blew it apart...





And Dr Marvelus ended up with TWO VL engines, a pretty stock '34 and an 84" modified '35 engine. I think the '35 might be for sale or trade, he needs a frame and fork assembly.
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