That sounds woefully underpowered. That boat should have a 37 - 40 HP engine in it. Anyways. Which might explain why it won't develop full RPM's
Also need to know what your reduction is. Then, after everyone chips in and ballparks a prop size & pitch, you will still need to get the recommendation of the Prop vendor - that way, when it is not exactly right, they will, if they are reputable, take it back and resize it. Unless you are buying one from a third party, in which case hopefully someone with an identical boat, engine and reduction can fill you in. I suppose that is what you were looking for before I went and shot off my mouth. ;^ ) Bill Coleman C&C 39 animated_favicon1 From: CnC-List [mailto:[email protected]] On Behalf Of George Cone Sent: Tuesday, January 14, 2014 4:03 PM To: [email protected] Subject: Stus-List folding prop for C&C 40 I am considering adding a folding prop for the boat and wanted to know if anyone had information on the recommended size of the propeller and what the size of the shaft might be. The boat is a 1981 with the 27 hp - yanmar 3HM- the engine is rated for 3200 rpm, but normally will only go to 2600rpm. Thanks George A Cone [email protected]
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