This is a quick look at the Hobo car.
The frame has a spring loaded roller with a center switch
Then you have the vibrating mechanism that adds spin to the second roller.
The vibration is drectional with a string on one end and a spring on the other. The pulley moves in one direction.
Ok I have one of these little guys and having a little problem. Car runs good but will just stop and draw current. Both rollers are fine and all wires are well soldered. One thing I did notice from my book with the cars break down is there is not grounding washers.
What size washers are a...