Basically the idea is that somehow the rubber band needs to be wound up, and then when you let go the weight inside, that's attached to the rubber band spins. I was thinking that the weight should be a lot heavier than the rest of the project as a whole, so that its less "work" for the rubber...
Momentum Powered Uphill Roller!? Help!
Basically, I need to make a rubber-band powered device that will roll up a hill. The hill is very very shallow, and 3 meters long. I CANNOT simply use something that utilizes a center of gravity (i.e. the double cone roller).
Right now I have 2 liter...