Propeller size and pitch

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Now Voyager
Posts: 3
Joined: Tue Sep 08, 2015 5:28 pm

Propeller size and pitch

Postby Now Voyager » Mon Nov 16, 2015 5:15 pm

Help please. I need to replace a fixed, 3-blade, aluminum propeller for my PDQ 36 LRC, but am uncertain about the size to order. I have Yanmar
2GM20 diesel engines with Yanmar SD20 sail drives. I think that the correct 3-blade propeller diameter is 14" and pitch is 12 or is the diameter 15", with pitch 12. A SD20 manual that I have says to use the largest diameter that the allotted space will accommodate. - Fair winds, Doug

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