Dirty bottom or prop adds drag and overloads the engine. Joel Aronson
On Jul 27, 2013, at 11:10 PM, David Knecht <davidakne...@gmail.com> wrote: Seemed fine in neutral. Why would you get black smoke from a fouled prop or is just because the engine is trying to drive the prop and cannot due to the fouling. I forgot to mention that when I put it in reverse, the engine stalled twice. Max-prop feathering 3 blade. Dave On Jul 27, 2013, at 10:22 PM, Joel Aronson <joel.aron...@gmail.com> wrote: Dave Does it rev normally in neutral? If so, bottom or prop are fouled. Joel Aronson On Jul 27, 2013, at 10:15 PM, David Knecht <davidakne...@gmail.com> wrote: The saga continues and I am once again in need of advice from the group. When last we discussed my engine I was having starting problems. That seems to have been fixed by cleaning the grounds. Since that fix, the boat has been at anchor while I was away. Two weeks later, I returned to the boat for a beautiful day of sailing. When I started the engine on the way in, it started up reasonably quickly, but sounded rough at idle. Then I noticed that I could not accelerate. When I pushed the throttle all the way forward, there was only a small increase in revs or speed. It topped out well under 2000 rpm. Then I noticed black smoke coming from the exhaust. I backed off the throttle and slowly made my way to the anchorage and shut down. I am hard pressed to come up with an explanation for what could have happened while the boat was sitting at anchor to cause this problem. Suggestions? THanks- Dave David Knecht Aries 1990 C&C 34+ New London, CT <pastedGraphic.tiff> _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com David Knecht, Ph.D. Professor and Head of Microscopy Facility Department of Molecular and Cell Biology U-3125 91 N. Eagleville Rd. University of Connecticut Storrs, CT 06269 860-486-2200 860-486-4331 (fax) _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com
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