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Old 03-22-2018, 05:33 PM   #14
Schmidty
Newbie
 
Join Date: Jan 2011
Posts: 4
Quote:
Originally Posted by Bob Cofer View Post
Rusty,

Flat calm, slack tide, no wind, clean bottom, 4 blade prop, 2400 RPM, I can get 9.7 knots.
Normal cruise is 1650 RPM @ 7.8 knots. That extra 750 RPM burns a lot of fuel and makes a lot of noise for very little gain.

Bob
Bob Cofer, may i ask size/pitch of your 4 blade prop?
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