Through Hull Replacement question - SailNet Community

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  #1  
Old 03-28-2011
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Through Hull Replacement question

My boat is a 1968 Cal 2-30 and I'm replacing the through hulls. There is one right above the keel that has an impeller knot-mater. It still works, but I'll never use it. So the question is:
Do I yank the whole thing out (and cover the hole) and rely strictly on electronics?
Common sense dictates that if it ain't broke, don't fix it, but I would rather have one less hole.
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Old 03-28-2011
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The difference between gps speed over ground value and knotmeter speed through water value lets you know if the current is helping you or hurting you, usefull information. Make sure the fitting and transducer are in good shape and keep on sailing!
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Old 03-28-2011
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SVPrairieRose has it right. It looks like your sailing venue includes the California current, so it may be useful to compare your GPS speed with speed through the water, particularly if you cruise to places where the tidal effect is significant (SanDiego?).
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Old 03-28-2011
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I wouldn't want to be without my through-the-water boat speed when trimming and steering upwind either.... Always good info to have.
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Old 03-28-2011
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Quote:
Originally Posted by rbrasi View Post
Common sense dictates that if it ain't broke, don't fix it . . .
. . . If it ain't broke, you're not trying . . .

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