Quote:
Originally Posted by ersin
Technically you are correct. However, D should be real distance, I'm not sure what angular distance is. But D is directly proportional to RPM and time. That is, "D dS" equals "dR", with a constant thrown in for units.
Cheers.
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Sapper got it. The area under the torque curve has nothing to do with power. Torque and power only correlate for each individual RPM points on the graph.
Distance in the polar referential is rotations (rads, a non-dimensional unit; 1 rotation = 2 pi rads). So rotations in the polar referential is a "real distance".