Hull cleaning - SailNet Community
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post #1 of 10 Old 05-02-2012 Thread Starter
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post #2 of 10 Old 08-06-2014
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Re: Hull cleaning

interesting
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post #3 of 10 Old 08-06-2014
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Re: Hull cleaning

Diggin' the lanyard on the screwdriver. Thanks for these vids and thanks for always having good advice to offer
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post #4 of 10 Old 08-06-2014
Learning the HARD way...
 
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Re: Hull cleaning

Do you use a hookah or tanks??

I do this in a bathing suit, with a snorkle, and no fins or gloves...
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post #5 of 10 Old 08-06-2014 Thread Starter
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Re: Hull cleaning

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Do you use a hookah or tanks??

I do this in a bathing suit, with a snorkle, and no fins or gloves...
110-volt electric hookah.



Cannot recommend doing in-water hull cleaning without (at the very least) wearing a hood.

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post #6 of 10 Old 08-06-2014
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Re: Hull cleaning

I wish I had half the viz as seen in the video when working on my boat's haul in the Chesapeake....
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post #7 of 10 Old 11-20-2014
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Re: Hull cleaning

Wow I need to do this
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post #8 of 10 Old 05-04-2015
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Re: Hull cleaning

nice music
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post #9 of 10 Old 05-04-2015
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Re: Hull cleaning

Thanks for those (though I realize this is a really old post). Why did you put two zincs right next to each other at the base of the shaft rather than more evenly spaced? Also, were these all new zincs from three months earlier? That seems like a lot of electrolysis in a short time. I wear through one zinc in about six weeks, which has always seemed like a lot given what I've read.
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post #10 of 10 Old 05-04-2015 Thread Starter
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Re: Hull cleaning

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Originally Posted by gamayun View Post
Why did you put two zincs right next to each other at the base of the shaft rather than more evenly spaced?
No particular reason other than I like to do it that way. And I can tell you from 21 years and 25,000 service events experience that it makes absolutely no difference where on the shaft the anodes are located, from a protection point of view.

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Also, were these all new zincs from three months earlier?
I don't know but I would assume so. Boatyards will typically replace all anodes during a haulout, regardless of their condition.

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That seems like a lot of electrolysis in a short time.
Assuming those anodes were only 3 months old, that would be pretty rapid depletion.

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I wear through one zinc in about six weeks, which has always seemed like a lot given what I've read.
You are also experiencing rapid depletion. Everything being as it should, you should get 6-9 months life from your shaft anodes. Anything dramtically more or less than that and you should be looking for a reason.
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