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Old 12-04-2012, 02:15 PM   #53 (permalink)
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Join Date: Dec 2007
Location: Germantown, WI
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CM400E - '81 Honda CM400E
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Swarthy - '14 Mitsubishi Mirage DE
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If you spin a series wound motor it doens't generate any power (and thus no drag) until you power the field windings and connect the armature wiring to a load. All you have is bearing and brush drag, and some windage lossses which is all pretty minimal.
Current project: Adding regenerative braking to the Mirage
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