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Old 02-17-2017, 12:56 AM
Allen Burgess Allen Burgess is offline
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Join Date: Sep 2011
Posts: 2,133
4" ceramic

Two of these 4"x1" ceramic blocks, recessed in a rotor at 180 degrees would probably have enough magnet strength and throw distance, to self power.
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Last edited by Allen Burgess; 06-02-2019 at 01:07 PM.
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