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I've always wanted to make a motor bike (as we named them way back when). I have a junker '62 Typhoon that would be a good candidate. I saw one a few years ago,so simple it was ingenious. He used 1 piece of unistrut clamped to the frame for an engine mount, (it was a 3.5 HP B&S) a 16" rim from another bike mounted to the spokes with these things bought from the local hardware store,a pulley on the engine,of course, and a simple plate with an idler pulley on a spring loaded pivoting lever from a lawn mower for a clutch, clamped to the frame. I rode it, it rocked!
I have a friction drive I made as a youngster in about 68?.It has a hinged plate over front tire with 2 pillow blocks and roller.The motor has a #41 chain connecting it to driven shaft. Centered up ones handle great,but offset ones are ok,once you get the feel of them.They can be made in an evening,without a welder,but 'hot bolts' help! Haha!
This was in about 1975?Still have the 'rigging',but its on a different bike now with a B.and S. now
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