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any gravity bikers still around? inertia wheel?

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any gravity bikers still around? inertia wheel?

Old 01-27-16, 12:36 PM
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Philphine
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any gravity bikers still around? inertia wheel?

just an idea rattling around in my head.

picked up one of those schwinn exercise bikes to get the 64t sprocket (second one i've got cheap. a bonnieville salts flats bike will happen eventually), and the inertia wheel got me wondering. if you built a frame with the wheel in the center (not one of the wheels it's rolling on) and direct linked it to the rear wheel with a fixie sprocket (i think), would it help keep you going a little longer on a long road that had a flat section?

i guess it wouldn't help on a short ride since it would need time to spin up, but some youtubes i've seen there are people taking longer rides and it seems like it could be taken advantage of. weight shouldn't be a problem since some people add dead weight anyway. maybe it might make it harder to turn (or help keep it more stable?). i really don't gravity bike myself. i've made a couple for fun but the nearest place to try them is a seldom used overpass that's only about a 1/4ml long. i'm keeping the wheel though, just in case some future inspiration/opportunity happens.

anyway, just figured i'd ask. thanks.
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Old 03-24-16, 07:37 AM
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shafter
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I'd never thought of that. Seems to me all that extra weight would"outweigh" its usefulness.
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Old 03-24-16, 06:26 PM
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Philphine
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most of the serious one I've seen or read about add weight anyway. I don't know if there's an issue with what might be too much weight.
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Old 03-25-16, 02:34 PM
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Another possiblity is to increase the rotating weight of the rims, turning them into energy-storing flywheels.
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