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Thread: Mystery Motor.
12-13-2012, 05:40 PM #1
Does anyone know how o tell the size of a motor without any nomenclature? I could just take it in but wanted to know your thoughts. It's off an old condenser. I think it's probably a 1/4 horse.
12-13-2012, 05:48 PM #2Professional Member
- Join Date
- Jan 2006
- muncie Indiana
746 watts equals 1 hp. This will get you close. Most motors have a power factor... This is the efficiency rating of the motor.
12-13-2012, 06:14 PM #3
12-13-2012, 06:28 PM #4
There is a way to measure the rotor to tell what hp. Don't have the file but there is a thread on the subject from a couple months ago.
12-13-2012, 09:48 PM #5
12-14-2012, 12:23 AM #6
Thanks boys, that link helped a lot. I measured the loops and stack height and came up with 1/4 horse. It has eight poles and a stack of 1.6".