Not always. Harmonics on a 30 year boat need the sweet spot.
On Tue, May 27, 2014 at 12:35 PM, Andrew Burton via CnC-List < [email protected]> wrote: > I understand about sweet spots, but I'd say if you are getting that much > vibration, something's out of whack. > > Andy > C&C 40 > Peregrine > > > Andrew Burton > 61 W Narragansett > Newport, RI > USA 02840 > > http://sites.google.com/site/andrewburtonyachtservices/ > +401 965-5260 > > On May 27, 2014, at 12:26, dwight via CnC-List <[email protected]> > wrote: > > Maybe no problem for the diesel with higher rpm but everything > connected to it also sees the higher rpm...I like to find the rpm sweet spot > where everything seems to be running smoth with low vibration, go a hundred > rpm higher or lower and things will vibrate more on Alianna...actually there > seems to be 2 sweet spots, one around 1500 for slow leaisurely steaming in > calm condidtions and another around 2500 for rougher conditions...however I > can make the boat move faster with higher rpm but vibrations increase and I > don't like the added noise...I have a 3 blade Autoprop and I figure that my > prop has preferred rotation speeds or sweet spots where balance is best and > vibrations are minimized and all sounds right but that's just a guess > > > ------------------------------ > > *From:* CnC-List [mailto:[email protected] > <[email protected]>] *On Behalf Of *Edd Schillay via CnC-List > *Sent:* May 27, 2014 1:16 PM > *To:* [email protected] > *Subject:* Stus-List RPMs on Your Diesel Engine > > > > Listers, > > > > Curious to know what you set as your own personal Max RPMs on > your diesel engine? The Enterprise has an Universal M35. > > > > I used to stay around 2300, but people tell me diesels like > to be worked and I could go higher. My mechanic said don't be afraid to go > 2500 or more, but I wonder if he's just looking for more repair income :-) > > > > How much do you push your engine? > > > > All the best, > > > > Edd > > > > > > Edd M. Schillay > > Starship Enterprise > > C&C 37+ | Sail No: NCC-1701-B > > City Island, NY > > Starship Enterprise's Captain's Log > <http://enterpriseb.blogspot.com/> > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > -- "All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake up in the day to find it was vanity, but the dreamers of the day are dangerous men,for they may act their dreams with open eyes, to make it possible." T. E. Lawrence .
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