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This is the little Friction Drive that could: 20'

wheels, folding bike. It's so fun to pedal and drive. I think I can, I think I can, it will smoke roadies.

43 CC 2 Stroke; 16 grit plug wheel:

Bump start fun machine.

We use a cable activated hinge to lift

the motor. Close the choke a bit, pedal to get some speed ~ 7-8 mph; drop the motor, 

then blap, snapple, crack and the motor is humming, open the choke and give it some throttle  and she's purring like a Bobcat.:

Basket installed

This is what the roadies see when go go bye.

This Friction Drive is one of the first prototypes I put on my 700c single speed , it cruises at 30 mph, ~180 mpg. I run a 40:1

mix ratio gas to oil.

Double butted Chrome-moly steel frame, coaster brake. I added a front caliper brake after I installed the Friction drive.