4 bladed props on 75 hp?

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duetto
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4 bladed props on 75 hp?

Post by duetto »

hi all,

has anyone with 75's done any "semi-scientific" comparison between 3 and 4 blades? i'm much less concerned with the improved smoothness than i am in increased speed at the same rpm.
john & diane cummings
duetto mv34 #23
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