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Old 07-07-2009, 09:57 AM   #16 (permalink)
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Posts: 34,528
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Join Date: Nov 2005

Ummm my only question is how can they auto-rotate without some negative? Not sure that is possible.... I don't care if the negative is from blade flex or what but I know the pitch must be some negative as that is how an auto works to keep the head speed up.

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