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November 17, 2007



I think that this idea, with a little refinement, would work quite well in conjunction with pedal power on personal travel vehicles and could probably give a range comparable to the typical 'assist' type electric motors on bikes.


are there any images of the spring mechanism up close? I've been trying to do some research on spring power and it seems to be in short supply if you have any good websites I would greatly appreciate it

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