Re: Motorizing Tandem
Some final changes to Frankenbike: I went with 12-gauge spoke wheels from Spooky Tooth to keep from busting spokes. I also went with the 52-inch sprocket to get better power from the engine at the higher RPMs.
The bike (no riders/fully fueled) weighs in at about 150 lbs. With no engine, I can only pedal at about 9 mph! With the bigger rear sprocket, I can top out at only 22 mph and can only get about 72 mpg. But that's plenty for us.
I'm not going to do any more shifting than with the bicycle sprocket cassette.
~ The Deke