Top end prop

Joined
Apr 30, 2009
Messages
18
Hello everyone,
Have a question about the prop. For the best possible top-end would a 9 inch by 11 pitch or a 9 1/4 inch by 11 pitch, which would produce the most top-end? I know the part about the pitch 1,2,3, ect. but when the diameter increases I get confused. Thanks.
 
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