YOU CAN BUILD A SELF PROPELLED SCOOTER WE CALL THE JOEWAY
HERE'S JOE ON THE SCOOTER HE CALLS THE JOEWAY, WE DON'T KNOW WHERE HE GOT THE NAME. RIGHT, LATEST VERSION
You can build this scooter as a class project. We used two Fisher price motors, two small Skyway wheels and two Bosch drill motor cases. We had to purchase the two Bosch speed control switches. The speed switches are not the best for control but with practice they work pretty good. The biggest problem was that one motor runs backward so it goes a little slower than the other. We also used two casters in the rear for balance. It is tough to learn to drive but once you get it down it is more fun than you can imagine. It turns on a dime, and reverse is not required but nice. The mechanical speed controllers ( drill speed switches) for the drill seem to have steps as they very and can tend to surprise you when they jump between the speeds. Below are some drawings.
The above is an alternate version which would require extensive work to build. Note the batteries are in the handle, the idea is to have a second one so you can use one while the other is charging. This is a very minimal design, tiring to make it light.
Below is a safer version but faster and has more power to use off road. We have this one just built . Note the gears are gears we received in past kits so you have them and can build this very easy. We use the EDU controller and rheostats for speed control along with 884 PWM's. The earlier version you could tend to fall forward if you stop too fast, but with the new version if you fall you just step off. We also found that we had to add omni wheels to the front wheels so it would turn easy.
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Above are views of what we have built for a off season project