Monday, July 21, 2008
Pedals on the Pedal Tractor
This weekend I put the pedals on the pedal tractor. I also figured out a way to take the sprockets off the crank sets and replace them with tiny, 15-tooth sprockets. It looks pretty silly but I need to gear down a lot in order to make the pedal tractor easy to ride. With these small sprockets on the front plus the gearing in the back, it should take almost four complete rotations of the pedals for each complete rotation of the six-foot diameter drive wheels.
Today, I took a little time away from real work to make a tray that sits between the rear seats. This tray can hold drinks, etc,. and it also protects the main shaft gears from the weather.
The next project is to remove the big wheels, rig rear brakes, put the gear on the main shaft and put it all back together. Once that is done, I can put the chains on and we might even be able to do a test drive at that point. I am still getting shoes for the big wheels. I think I only need four more pairs.