Steorn motor V3: Shorting the stator coils test

Here an intersesting experiment. Only the coils 1 and 3 are used to power the motor. At full and stable RPM, the coils 2 and 4 connected in series are shorted… During the full test the RPM ismonitored with an optical tachometer… by Jean-Louis Naudin – jnaudin.free.fr

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