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Old 09-23-2013
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CanadianNorth CanadianNorth is offline
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Re: what kind of headwind should a sailboat be able to motor through?

this is posted on another thread, but for those following this one:

A little update for those following.

I pulled the injectors with the intention of testing the spray pattern. Long story short, I was unable to test them, but I did clean them up. There was a significant coating of carbon on them. I actually scraped it off the injectors.

To my surprise, the engine is running much better.
Now, I get no black smoke (previously I would always get some black smoke, and when I would go past about 1/2 throttle, or 1700ish rpms, I would get billows of black smoke and no power).
There was no smoke at all, and the engine started easily. The engine rpms did not drop when she went in gear, and she was able to rev up to 2500 rpms and give 6 knots.
Very surprising.

While not cured (past 2500rpms I get white smoke), there is definitely a significant improvement from before. Reflecting back, the carbon built up quickly over the 20-30 hours the engine was run this summer.... so I know there is still a problem somewhere in the system..

Thanks to all those who gave me advice.... and I think I'll keep some of that injector cleaner in my tank from now on.
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1979 Glastron Spirit 28, Hull #28.


Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off your bowlines. Sail away from safe harbor. Catch the trade winds in your sails. Explore, Dream, Discover.

Mark Twain
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