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Old 07-08-2009, 01:41 PM   #27 (permalink)
HF Support
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Join Date: May 2006

A 22 from 15' will spread the skids..

As for negative pitch, the pitch of the blades in relation to the mast has very little to do with the angle of attack. Remember, AoA is the angle between the relative wind (rotational *AND* flight path) and the chordline of the blade. The AoA will in all likelyhood be positive regardless of the blade's pitch due to the flightpath being forward and down.

Dump the collective to maintain RPM (and who cares what the pitch is) pitch (the aircraft, not the blades) for proper airspeed and tweak the collective to maintain proper RPM.

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