Thread: Just for fun - human-powered, bicycle-based generator
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Old 02-15-21, 03:16 PM
  #22  
dabac
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Originally Posted by dabac
If you’re doing it for the fun factor rather than trying to harvest useful amounts of energy, a car alternator will begin charging at RPMs within bicycle range. I helped build a setup years ago. A 2” pulley on the alternator, then we ran the belt around the rim or the rear wheel. Done.
Originally Posted by andy_p

Do you know roughly what kind of power you got out of that setup?
Sorry, no.
The guy I helped build it used it to charge a car battery. Then he ran a tv intended for an RV off the battery. He had to earn his screen time!
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