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3. Performance
3.1 Definitions
Two important criteria characterize a motor: its power and its efficiency.
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The effective powerP e is the product of the torque C measured on the motor output shaft, and the angular speed Ω of this shaft :
P e = C Ω with C in N · m, Ω in rad/s and P e in W.
By entering the engine speed N in rpm :
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