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Re: pic: mousetrap car
Nice, for our mousetrap and joule car, we're actually using carbon fiber axles. Balsa wood body because it's easy to work with and cheap. Our grading is easier. It just has to travel 5 m, and then the competition is for distance after that.
We were considering using a CVT, but a regular pulley would allow it to travel farther and it's easier to lathe. We don't need to pay too close of attention to it when winding it. Are you going to use string, or some kind of belt?
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