On Sat, Dec 19, 2009 at 3:45 PM, <[email protected]> wrote: > You have this backwards.
That's not unusual for me. > BEMF is what makes electric motors efficient. It's what generates torque in an AC motor. > Were it > not for BEMF, they would be a dead short and consume vast amounts of power. You speak of impedance. Let's not forget plain old resistance. > It's the BEMF which keeps the losses to a small percentage of the work done. Steorn's motor is essentially unloaded. If he were killing BEMF on a pulse motor (essentially a dc motor) his RPM would skyrocket. Or I am again confused. :-) Regards, Terry
