Quote:
Originally Posted by Otto
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Could easily insert the permanent magnets into the slots of a double-wall disk brake, and use the existing caliper mounting to support the fixed electromagnet assy. Braking loads being greater than acceleration loads, these structures are already more than adequate strength.
Still better to put the permanent magnets on the wheel itself, with the electromagnets fixed to the strut with a ring bracket. Bolting on a motor at the spindle is needlessly heavy, and applies the torque at the worst possible location--the hub.
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Not sure that would work, brake rotor temperatures can easily exceed the Curie temperature of the magnet, and I imagine the reduced induction of the coils could fry something somewhere.
In case it wasn't clear, I was talking about bolting a motor to the spindle that applies torque directly to the rim.