Ben Barrett wrote:
Need better "batteries"? Use simple potential energy to raise a big weight,
and let it down slowly, say geared to a flywheel or something...
the weight can be raised slowly by wind, bicycle power, etc ;)
This brings up a great point--the potential of flywheel technology.
Remember hearing about a kat--think he was in So Cal, who built a
flywheel car, back in the seventies. Had a wonderfully heavy flywheel
that took over an hour to get wound up to speed--but then it seems like
it gave the car a range of nearly a hundred miles.
Can't remember if it was mounted parallel or perpendicular to the
ground--but I know there were gyroscopic issues with the first design.
Made the car incredibly stable--but it didn't want to go around corners.
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