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What's_nitro? · 10.02.2007, 11:22 PM

Couldn't you do the opposite and spin the motor while measuring the output voltage? Attach a voltmeter between two leads on the motor with a diode in series and adjust the speed of the motor until the voltmeter reads 1 volt. That should give you the unloaded kV, right?

	(#19)
What's_nitro? Soldermaster Extraordinaire Offline Posts: 4,529 Join Date: Apr 2007 Location: Plymouth, MA, USA	10.02.2007, 11:22 PM Couldn't you do the opposite and spin the motor while measuring the output voltage? Attach a voltmeter between two leads on the motor with a diode in series and adjust the speed of the motor until the voltmeter reads 1 volt. That should give you the unloaded kV, right?