2800 RPM is running the engine pretty hard but if you are underpripped, you might have to run it this hard. I have a new Yanmar which I criuse at just below 2400 (6.5 knots).
Bob Bob Boyer S/V Rainy Days (1983 C&C Landfall 38 - Hull #230) Blog: dainyrays.blogspot.com Email: dainyr...@icloud.com Annapolis, MD > On Sep 14, 2018, at 3:49 PM, James Bibb via CnC-List <cnc-list@cnc-list.com> > wrote: > > OK…engine seems to run warm/hot…temp is not above 180 but I’m not running at > 3,000 RPM, usually 2800. …couple of questions…. > > Lot’s of steam out the exhaust which I believe is more do to the balance of > coolant water in either muffler or the mixture elbow. I sometimes remove the > engine access panels on either side and I notice an easy 5-10 degree drop in > temperature from the gauge. > > I’ve checked the coolant, impeller, heat exchanger for clear and the > thermostat last year. Haven’t checked past the coolant elbow or into the > muffer. > > Does anybody have any experience and does anybody introduce a fan back-up > cooling system into the engine compartment and if so how do they and where do > they vent on a sailboat through the hull or deck? > > Does the steam indicate overheating or based on temperature am I running > fine? > > Other question, what RPM do folks run their engine at for cruising speed? > > > > > James Bibb > SV Darwin’s Folly > 1991 C&C 34/36R > Juneau, Alaska > > > > _______________________________________________ > > 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