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Saturday, June 03, 2006

Axial Flux Permanent Magnet Alternator

The heart of our wind turbine is the Axial Flux Permanent Magnet Alternator. It was developed by Hugh Piggott, improved by Dan Fink and Dan Bartmann, and in continuous development by Steve Spence and Jim Juczak. We are developing versions for pedal power, water power, and engine driven battery charging. The model we built for the wind turbine makes a nice 100 amp battery bank charger when installed under a push mower, replacing the blades. The next generation of improvements in the design include;

  • magnet rotor plates that take a magnet the same size, but have a hole for a flat head machine screw to anchor the magnets instead of superglue and the rotor plate has also been milled to allow the magnets to seat themselves in a recess in the steel plate.
  • milling a solid piece of 1/2" thick plastic to allow the windings to be pressed and then epoxied into place.

Plans and parts kits will be available. Register to be notified of this and other projects we are working on, and visit the Axial Flux Yahoo Group for discussion and be part of the development team.


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