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Old 04-27-2005 | 07:31 PM
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Mechanos
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From: KC, MO,
Default RE: Need some prop advice


ORIGINAL: adam_one


ORIGINAL: Mechanos

Is there a formula for calculate what 3 or 4 blade prop is needed if you know what 2 blade prop to use?
If you want to keep the same power consumption, the 3 blade prop diameter D3 = D2*.92
while the 4 blade prop diameter D4 = D2*.87
I assume you are holding the pitch constant?