Can a Toy Car Run on Only Potential Energy Over an Elliptical Path?

AI Thread Summary
A toy car can theoretically run on potential energy stored in a spring, weight, or flywheel, but it requires an initial impulse to start. The challenge lies in maintaining a path without further inputs while navigating a 50-foot elliptical track. Suggestions include using mechanical guides or electronic systems for path following, though the constraints of the initial impulse and size of the car need clarification. Achieving an elliptical path may be difficult, especially if avoiding electronic signals or mechanical interference. Overall, the design must balance energy storage, path navigation, and the constraints of the project.
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Hey guys...
Is it possible to make a car running on only potential energy stored in it,..well the path is supposed to be horizontal & only the initial impulse is allowed.Also the vehicle is supposed to follow a certain path without any inputs while cruising.The path is supposed to be around 50 feet long and elliptical.
Any suggestions are welcome
 
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The power bit is easy. Just use a spring, a falling weight, a flywheel, a rubber band, or if you're feeling sneaky, a battery.

What are your constraints for the path following? You could use an electronic system, - either tracking or with the path pre-programmed, or just a mechanical guide. Let us know more about your task.
 
I'm not sure I understand that "initial impulse" constraint. Also, what size car are we talking about here? As brewnog implied, you could buy yourself a nice electric car and drive it 100 miles, but I suspect that wouldn't fit with the spirit of what you are trying to do...
 
Just in case the term 'inputs' includes electronic signals or mechanical interference such as a track, then you might have to work a timed steering mechanism into the design. You could get a circular path by using different sized wheels on each side, but elliptical would be pretty tough. :confused:
 

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