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Uploaded by on Oct 8, 2007

This is me hand cranking a 12 volt-10 watt bulb (incandescent).
This is impressive. Certainly the most efficient human powered product I have ever seen :) - Be aware some of the poor copies are of no comparison - I am not an employee by the way.
http://www.gotwind.org/freeplay_energy.htm

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Uploader Comments (gotwind2)

  • i suggest hooking this to a cell phone charger

  • That is exactly what it is designed to do, you can see the cigar socket plug in video.

    Just plug in your car charger to the socket.

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All Comments (14)

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  • I need one of these. I have a bunch of 12V stuff I can power with it, maybe mod one and put it on a bicycle.

  • It's a bit of a workout, but this can be a way to crank start your car when out of juice....

  • kewl ive got one of there hand crank generators and they work well if you want to charge or play a radio gives you a good workout great for lighting up 12 volt lights yes you can put an inverter to it and play a radio that uses 120 volt ac

  • You can buy a Brunton battery and plug it into that.

  • There is no battery inside.

  • Why does it only light once you wind it?

    I thought you could prolong the light once you wind it a few times. like charging the battery inside.

  • wow this vid in same weird way made me horny

  • cool how much

  • can u plug a inverter into it

  • cool

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