[Alberg30] Engine Overheating question

Wed Nov 19 03:57:46 PST 2003

Over the course of the season I notice my water temp rising about 20 degrees from the 130 to 150 range. I attribute this to growth behind the salt water intake grill. I try to clean it as much as I can each time I dive but I know that there is growth inside that I can only get out after hauling the boat in the fall. No problems with black smoke or water pump impeller damage. 11 hp Universal diesel with a 13 x 9 three-blade prop. (or is it 9 x 13? Anyway...) Just an observation.

Bill Blevins
Alberg 30 #158

--

On Tuesday, November 18, 2003, at 09:42PM, sousa, stephen (ENG) <sousa_stephen at emc.com> wrote:

>Gavin,
>
>If it were blue you are burning oil. Black could be a few issues such as
>injectors, dirty fuel or air filter, prop not matched to the motor. If she
>were overheating, you would see steam coming from the exhaust and the motor
>would be hot to touch. In some cases we see black smoke from marine engines
>because they don't have a chance to heat up and run which burns off the soot
>and cleans the rings and valves. 
>
>Stephen 
>
>-----Original Message-----
>From: public-list-bounces at alberg30.org
>[mailto:public-list-bounces at alberg30.org] On Behalf Of Gavin Morrice
>Sent: Tuesday, November 18, 2003 11:52 PM
>To: Alberg 30 public list
>Subject: RE: [Alberg30] Engine Overheating question
>
>
>Stephen,
>I would have to say black smoke. (not positive)
>Also, I did'nt notice much drop in oil level at all
>over the season.
>What are you thinking?
>Gavin
>
>
>-----Original Message-----
>From: public-list-bounces at alberg30.org
>[mailto:public-list-bounces at alberg30.org]On Behalf Of sousa, stephen
>(ENG)
>Sent: Tuesday, November 18, 2003 4:51 PM
>To: 'Alberg 30 public list'
>Subject: RE: [Alberg30] Engine Overheating question
>
>
>Gavin,
>
>Blue or black smoke?
>
>Stephen
>
>-----Original Message-----
>From: public-list-bounces at alberg30.org
>[mailto:public-list-bounces at alberg30.org] On Behalf Of Gavin Morrice
>Sent: Tuesday, November 18, 2003 10:21 PM
>To: Alberg 30 public list
>Subject: RE: [Alberg30] Engine Overheating question
>
>
>Hi All,
>Lee was asking below about engine overheating...I dont see any reply yet,
>but if I could add a more basic question...
>
>After motoring for about 45min, I notice that my diesel begins to smoke
>more. Would this be a sign of over-heating? (I have hull 617 with Bukh 10hp
>single cylinder.)
>
>Thanks,
>Gavin
>
>
>-----Original Message-----
>From: public-list-bounces at alberg30.org
>[mailto:public-list-bounces at alberg30.org]On Behalf Of FINNUS505 at aol.com
>Sent: Monday, November 17, 2003 8:18 AM
>To: public-list at alberg30.org
>Subject: [Alberg30] Engine Overheating question
>
>
>Hey gang!
>
>Stargazer is hauled out. Her first season sailing since.....1997, has ended
>successfully, with a few bumps along the way. They can be patched. :) Thanks
>for all the support and advice.
>
>Plenty of projects left to do that we did not get to last spring, and early
>summer.
>
>Question; has anyone found that while powersailing on port tack in any kind
>of wind, the exhaust thru hull submersion causes back pressure in the
>exhaust and overheating of the engine? If so, have they moved the exhaust
>thru hull up to the lower corner of the transom to keep it clear of the
>water at any angle of heel?
>
>Thx,
>Lee
>Stargazer #255
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