Quote:
Originally Posted by robtek
But Banks, to reach and hold 3000 rpm the prop has to have fine pitch, not very efficient.
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In the case of a constant speed propeller the RPM stays constant and the pitch depends on your airspeed. At low speed the pitch is fine, at high speed the pitch is coarse.
With a constant speed the car gear anaolgy fails, you have to think of a car with automatic gear where you choose between a economic and sports "mode".