There doesn't seem to be much activity on this forum, so I thought I would start a build thread on my latest project. What I intend to produce is something that resembles the 1913 BSA motorcycle in the attached photo. Depending on how busy things are in the shop this winter, I can't hazard a guess as to how long it is going to take, but I will attempt to post updates as things progress. The second photo is of the bicycle I started with...a 1980s Supercycle that was picked up along with it's sister bicycle for a whole $30.00. Next shot shows the seat post lowered about three inches and the rear frame struts lowered and shortened to fit. After that a replacement crossbar (4" extension) and brace were fabricated and welded in place. The front downtube was then curved to follow the curve of the wheel...plenty of room to fit the engine and primary drive, while still being able to retain the cranks (keeping them on the bike will help me stay under the radar of the local constabulary). Going to stick to chain drive with a centrifugal clutch as with the cyclone bike, 5HP B&S engine will provide the motivational force. I'm going to try to sort out a way modify the clutch to enable a pedal start.
