Quote:
Originally Posted by pfreivald
You can. Efficiencies can vary dramatically from case to case.
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What's that mean? Because I used the formula T = Ts - (N Ts ÷ Nf)
where T is the torque at the given rpm N, Ts is the stall torque, and Nf is the free rpm.
from
http://www.gizmology.net/motors.htm