Roadmaster Briggs Bike pics.

pacesetter

pacesetter

New Member
New to site. here is a briggs bike that i started working on. i had to crimp the frame so the belt drive would fit.

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nice you must be a friend of msrfan?! crimp tool works purty good! i had just borrowed it a couple of weeks ago. cool project. i had wondered if a motor would fit in a roadmaster, this will look cool.
 
That's going to be a really nice bike. I love straight bar frames and now am wondering if that engine would fit in a Schwinn Panther frame. An in frame tank would look fantastic on your bike, perfect for that early motorcycle look. Welcome to the forum. I'll be watching this one...
SB
 
Here is what a Schwinn straight bar frame looks like. They are often called "Panthers" as that was one model that was very much admired, but under the graphics it is a frame design Schwinn used in the 30's through early 50's under many different names and graphics... a good looking, well made frame. This 1950 has the first in frame tank sportscarpat made and is looking rough in this photo from smoke damage due to a fire. This particular bike has since been finished with a 50CC four stroke HS engine in it and is a nice ride. The frame looks much like your Roadmaster frame to my eye, at least the amount of real estate in the engine compartment. I never would have thought the Briggs engine would fit until I saw your bike and now you've got me wondering. I think these straight bar frames as on yours, the Schwinns, Roll fasts and some of the other old American made cruisers are the cat's meow, having the old time motorcycle look to them without particularly trying and without having to modify the frame. Looking forward to your build progress. If I do a Briggs at some point it is at least a year away and I can see that it would be a slow build needing lots of attention and time. But look what you have when you're done! Woohoo!
SB
 

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This gives me something to think about and gather information on over the next year or so. By then I'll know how to make my own copper in frame tank, will know how to adapt moped hubs to stout 26" wheels and will have found a donor briggs engine. That looks to me like the ultimate motorbicycle with all the power needed to run a sidecar with passenger. Next summer I'm putting together a more heavy duty frame for another canoe sidecar like in my avatar. Yes, this is something to dream about. I always wanted a Whizzer and they were always too expensive. I'd rather have this briggs build like you guys are doing than a whizzer. This, I think, is better. That crimping tool sure does a nice job. Did msrfan make that? Does it weaken the frame where it's crimped?
SB
 
SB glad i could help. let me know if you have any other thoughts. i am full of a lot of stuff thoughts being one of them lol. Yes msrfan made that crimper. OH THAT GUY.
the first things i asked was does it weaken the frame and as far as i can tell not one bit.
Hope to hear from you soon.
pacesetter
 
Yes, I'm full of it, too. The crimping tool is clever. Do you first make a kind of slit in the frame and then crimp it in? He's a smart fellow, for sure, and is like the Godfather of B&S motorbikes, around here anyway. I'm excited about my someday Briggs build even if it is a year or more away. For now I'll follow along on what you and a couple other guys are doing, then start gathering together the cool stuff for it... frame and engine, build the wheels and ask a whole lot of questions as I go. I see this one as my ultimate, personal bike, and one to keep modifying and tweaking and babying for a long time. So, I'll take my time building it and enjoy watching you guys have fun in the mean time. How cool that you'll have an opportunity to ride together. We'll want pictures of that!
SB
 
Hey thanks SB. no slit just crimp . screw it down and let it do its thing. still a long way off but i am happy so far.

I would never join a club that would have me as a member....

Pacesetter
 
Hi all been a while making some progress here are some pics of the jig we used to properly align the motor so the welder could weld the motor mounts on the bike he did a nice job for us the name of his shop is shirley desing in Huntington Beach more pics soon and happy building.
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man i'd be worried about the junctions where the frame meets the drop outs! looks like they are just pressed in there. hit a bump and lose a back wheel, that wouldnt be good at all huh? That big ol motor is gonna make that thing fly though. The "shocker" ( no not that "shocker"lol) fork will smooth out most bumps though.
 
pacesetter said:
New to site. here is a briggs bike that i started working on. i had to crimp the frame so the belt drive would fit.

GEDC0311-1.jpg


GEDC0311-2.jpg


GEDC0299-3.jpg



GEDC0294.jpg
Click to expand...

Are you kidding me!I got hollered at for "pinching" a down tube less than
1/16" in order to allow my front mounting studs a straight shot for mounting!
Boy when certain expurts catch wind of what you did they're gonna slap a condemened sign on that build!,And rip you a new one for posting that!

I like it looks factory,Kinda like what they do on the chain stays for chain ring clearance!
Let's hear them explain how this method is different than my method!Kip.
[email protected]
 
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