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post #34 of Old 08-26-2013 Thread Starter
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Re: what kind of headwind should a sailboat be able to motor through?

spent the last two days sailing in light winds.

Here are my findings: the engine will rev in neutral, and without black smoke. It will rev up to 3200 rpms in WOT.
However, in gear, its a whole other story. she will make 4.5 knots in flat calm @ 1800 rpms. that is about 3/4 throttle. BUT - any more throttle than that and she will start to smoke (black) badly, and no more speed. WOT will produce 4.5 knots, upwards of 2000-2100 rpms, and tons of black smoke.
any head wind/waves, and the boat will slow, rpms will drop, and smoke begins.

Starting time is definitely 10-20 seconds with some black smoke.


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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.

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