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Old 04-11-2020, 04:42 PM   #32
Kale
 
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Join Date: Aug 2005
Location: Cowtown, Canada
Default Re: [AtE] Heirloom tech?

Here's one for you:
Water or wind power turning a shaft. The shaft is connected to a motor salvaged from a Tesla car, and the motor is being used as a generator. All the electronics for charge management etc would be long broken and not repairable, but you could get some pretty good power out of the motor itself as it was designed with regenerative braking in mind. You could also possibly cobble together a lead-acid battery or the like to provide more steady voltage, but you'd still want some sort variable transformer to avoid blowing the cells during charge. This could be done with hand-wound coils if necessary. Note that none of this would be efficient, but it could work and give a reasonably steady supply of electricity.
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