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Harry Paul Sprain magnet motor with generator

The input power is 3.84 watts and the output from the generator underload is 7.81 volts @ .536 mA or 4.18 watts. The electro magnet uses 19.6 volts @ 1.2 amps for 28 ms or .658 watts per pulse. It spins at 87.6 rpm and makes 1.46 rev per sec. There are 4 magnets on the rotor, so the electromagnet fires 4 times per rotation. 4 X 1.46 rps = 5.84 pulses per sec. Or a total input of 3.84 watts.
YouTube - Harry Paul Sprain magnet motor 2007 with generator

magnetmotor, energy