Power Your TV, Cell Phone, or Laptop by Pedaling

One of the first-prize winners of our TreeHugger/Popular Science/Instructables Go Green contest, this gadgetry wizard shows you how to rig up your bicycle to create a human-powered generator. His instructions are fairly detailed and incredibly involved—we won't pretend to understand all the mechanics involved—but now we want to make one for everyone we know for Christmas, Hanukkah, and Kwanzaa.

Here's the cost breakdown of the entire setup, illustrated below the fold:

Alternator = $89 (new); $15 (used at junkyard)
Bike Stand = $90 (new); $15 (on Craigslist)
AC Inverter= $60
2 Farad Cap = $50
Wiring and enclosure Hardware= $100

::::Instructables

Tags: Bikes | Renewable Energy

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