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Old 06-24-2010, 11:27 PM
Ted Ewert Ted Ewert is offline
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Join Date: Apr 2007
Location: SF Bay Area
Posts: 597
I'll be interested to see how much torque can be generated by an air core coil. Torque is a direct result of flux density (B field, magnetic current flow...). I'm wondering how much of a conduit those air cores will actually make for current flow between the magnets, or will the flow go straight into the coil? My guess would be into the coil, as air has very low permeability, which gets worse exponentially with distance.
Nevertheless, I hope it works better than expectations and we all learn something from it. Thanks for sharing.

Cheers,

Ted
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