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The intentions behind this Project were to be a science demonstration, to collect data on the performance of homemade PM alternators, to show how easy it is to build a windmill from scratch without metal-working tools ... and to be a bit silly. So imagine our surprise when it made LOTS of useful battery charging power! The more cynical folks around here (me) are calling it the "Wood 403"
Dan
http://www.otherpower.com

Shows what can be done with wood, epoxy, a round shaft, magnets, and wire. Shows some of the basics of the alternator principle. Not recommended for a long lasting windmill but could be modified toward that direction. Using ball bearings instead of a wood bushing would help a lot.

Offered by Mike.

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