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Another prop question

Started by scubagreg, September 20, 2011, 08:47:21 PM

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croaker stroker

#25
January 30, 2015, 07:32:41 PM
Your Cav. Plate should not ride under water when on plane.
1987 - 17' Sea Pacer - 2004 Evinrude 90 E-tec
1985 - 15' Sea Sprinter - **SOLD**

"Ex Tridente Pax". 🇺🇸

PNW Drifter

#26
January 30, 2015, 09:33:04 PM
I like iboats prop finder tool and they have great info on 3 vs 4 blades.  http://boatpropellers.iboats.com/

4 blades is good for getting heavy or under powered boats on plane. I was able to get my 15hp motor on my 12' aluminum to plane w/ 4 guys by switching to a 4 blade and dropping some pitch.

Oh and remember if you for 4 blade from 3 drop to in pitch is the general rule...

http://boatpropellers.iboats.com/
Tiderunner 18 - sold | Sea Pacer 17 - sold | Pro-Line 20' Walkaround, Yamaha F150 25" XL, Garmin Electronics, Scotty Stuff
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