proper prop size picific seacraft

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Apr 17, 2011
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pacificseacraft mariah 31 MKII 1978 fort myers
I have a 1978 pacific seacraft 31' Mariah with a Yanmar 2QM20 engine. I would like to know if anyone has the same and if so I would like to know what size of three blade prop to use.

Thanks, Mike
 
Jan 22, 2008
112
Hunter 36_1980 Bass River, NJ
new prop

Mike, just a suggestion, go to westbynorth.com - norm ross is a great help, this website gives good info on prop types, Norm will size the prop and answer any questions.
I have the same engine, the trany type is important,as is hull shape,weight,etc. for sizing. I just installed a campbell 3 blade 15 x 9 prop
and very satisfied previous was a 2 blade 16 x 15

joe
 
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