mine is 1 1/8" Your engine should go to full rated RPM in gear. If it doesn't, then your prop may be overpitched or your tach may not be right or you have a problem with the engine. In my 1981 I have a Yanmar 3QM not the 3HM. What hull number is your boat? Mine is 143. Andy C&C 40 Peregrine
On Tue, Jan 14, 2014 at 4:03 PM, George Cone <[email protected]> wrote: > 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] > > > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > -- Andrew Burton 61 W Narragansett Ave Newport, RI USA 02840 http://sites.google.com/site/andrewburtonyachtservices/ phone +401 965 5260
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