If you haven't seen it, here's a nice explanation and video of how wingnut braking works. Aside from rolling smoothly, braking is pretty much the most important function of the car. If it's not easy to modify your current design to have brakes, it might be better to adopt a more conventional design. (form follows function)
Most people are probably going for the maximum 2kg, since that gives the most gravitational potential energy that can be used to accelerate the car.[/quote]Miske wrote:Just wondering, how much mass are any of you using for your falling mass?
Thank you my partner and i said it looks great and we greatly appreciate your help. How much is a kg anyway?