Mentioning what I have found would of been smart to being with. Obviously I have found your generic options such as the mouse trap and rubber band powered cars. I have also looked into something powered by a fan or some sort of propeller. I've experimented with the idea of using magnets, but I...
Hello all,
I am currently working on a project where I have to make a total of 3 pinewood derby esque cars. The rules of the project are pretty strict. First, the car must remain on the ground at all times. Second, the car must be self propelled. Third, the car must be able to go in a straight...