Your engine manual should have a max achievable RPM listed. If you mash the throttle and can't get to that RPM, you need to dial in finer pitch.
Andrew Burton 61 W Narragansett Newport, RI USA 02840 http://sites.google.com/site/andrewburtonyachtservices/ +401 965-5260 > On Dec 17, 2017, at 18:23, Charles Nelson via CnC-List > <cnc-list@cnc-list.com> wrote: > > Be sure you know your transmission ratio, prop-hull clearance, ideal engine > RPM, etc. before you rely on a simple calculation. This is a question that > seems like it should have a simple answer but "...it depends on several other > parameters.." so a simple answer could be wrong. If the Max-Prop allows, you > might just change the pitch and see if the performance improves. > > Sent from my iPhone > >> On Dec 17, 2017, at 5:18 PM, Bunky via CnC-List <cnc-list@cnc-list.com> >> wrote: >> >> Luna is a 1984 C&C 35 with a Yanmar 3gm30 engine. Does anyone know what the >> proper propeller pitch should be? She has an aftermarket Maxiprop, and based >> on engine performance, I believe the pitch may be set too high. >> >> Richard >> Luna, Lake Champlain, VT >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each and >> every one is greatly appreciated. If you want to support the list - use >> PayPal to send contribution -- https://www.paypal.me/stumurray >> > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
