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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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DC permanent magnet motors: brushed vs. brushless
Just curious about treadmill motors.
Most treadmill motors I've seen are brushed. Is it likely that newer ones are brushless, and if so, are the electronics that make the motor brushless internal or external to the motor, and how would I tell? I'd hate to find out a motor is brushless, and that I threw away the goddamm electronics..... Couldn't treadmills use AC permenant magnet motors? Aren't they a little simpler than the DC? It seems that the older DC treadmill motors, altho rated lower in power than modern treadmill motors, pack a lot more punch to them. No surprise. -- EA |
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