Human Powered generator

The heart of most of these is something like this: The Generator: The most effective generator is a 24 volt DC magnet generator, rated for 1800 rpm with an output of 1/3 horsepower. The rpm’s plus the voltage output is meant to make the generator rotate at 900 rpm’s, producing a 12 volt output. You will need solid copper, 10 gauge wire with a resistance of R=1 ohm’s per thousand feet.

Other DIY generators:

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