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Originally Posted by dcb
Sounds tough, but made tougher if you want to waste your energy by ditching the chain in favor of a less efficient pedal generator -> motor setup.
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I don't suppose you recognize your assumption there? That the generator/motor is necessarily less efficient? Sure, at one end of the scale you could certainly have a very inefficient system. At the other? Well, chains & gears have friction losses, you know. Can you find a M/G set that's more efficient?
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A lower gear is always possible too, the energy to climb the hill has to come from somewhere, don't waste it.
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Yeah, store the energy from coming down last night in a battery, and use that. Or if you're really lazy, plug it in overnight :-)