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Old Oct 12, 2012, 07:14 PM
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Grad student in aeronautics
United States, GA, Atlanta
Joined Oct 2010
526 Posts
Quote:
Originally Posted by TangoKilo View Post
If the propeller is doing no work, there is no resistance to rotation (torque).

Angular velocity times nothing equals nothing.

Torque required from motor - none. Power required - none.
The there will be profile drag on the propeller whether it is producing thrust or not. Of course, this drag produces a torque on the shaft.
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