BigDog 2010 - Left Side Drivetrain

Front Pedals & Front Tensioner

Rear Tensioner & Chain Routing

Rear Pedals (From Top Looking Down) - May 9, 2010

Final Tensioners (Replacing Derailers Used In First Design)

Left Side Drivetrain: Overview & details of left side drivetrain. As with the right side, front and rear pedal sets connect to a common center sprocket shaft fabricated from a bicycle crank, sprockets, cut down pedal cranks and #35 sprocket. #35 sprocket connects to left rear axle to drive the left rear wheel.

View from front down left side

Rear pedals & center sprocket
from bottom looking up