propeller size

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G

grateful

I recently purchased a 1972 29' Ericson with an Atomic 4. The surveyor told me to replace the two blade prop. Does anyone know for sure what size and pitch I need. The prop has faded infromation on it. What I can read looks like it is a 12RH. Please help......thanks, jeff Propeller places have tried to sell me anywhere from a 10x7 to a 12X7 to a 12x6. I would like to know for sure what prop is right prior to spending the $350.00 plus dollars to but one. Thanks so much for your help!!!!!!!!!!!
 

Tim R.

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May 27, 2004
3,626
Caliber 40 Long Range Cruiser Portland, Maine
Ask your question here

http://www.ericsonyachts.org. You can probably find the info by searching the archives on this site. Tim R.
 
R

roundabout

steve hiss

I have a 29 bilt in 1972 and just had bought a 3 blade prop. The recommendation is a 12 / 10. I have a M3 20 diesel engine which has a rotation of appoximately 1/2 the speed of an atomic four.
 
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