I'd like to tap into the collective experience of C&C 29-2 and/or Yanmar 2GM (15hp @3600) owners.
My 29-2 , acquired 3 years ago, had a 15x9 3 blade fixed prop installed and 15x10 2 blade Gori spare. This was my first diesel engine and initially I was quite pleased when I could reach 5knts at about 1800 +/- rpm and would top out around 2200 rpm. After learning more about diesels I realized the boat was overpropped. The next season I installed the 15x10 Gori and the overpropping is worse - black smoke starting around 2100rpm and reduced ability to push thru wind/waves. The Yanmar tach shows 3600 max rpm in neutral and also matches the reading on a laser tach at 2000rpm. I'm looking for a new prop and am considering a Campbell Sailor, 2 blade Flexofold, or 2 blade Max Prop. On the basis of the current performance and C&C owner's manual I was thinking that a correctly sized 2 blade prop would be 14" diameter and 8 or 9" pitch. I submitted a sizing/quote request to Flexofold and they recommended a 15x11 - which was not what I was expecting. I'd be grateful to hear what type/size props other listers have on their 29-2s or Yanmar 2GM-15s and how satisfied they are. Martin C&C 29-2 Recalculating Mimico Cruising Club
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