antifouling for a bronze propeller - Page 2 - SailNet Community
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post #11 of 36 Old 05-28-2007
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I have had good success in the past with having a bronze prop copper plated. It is a multi-season solution. Ten years ago you could send your prop to the "Copperman" in FL, he would electroplate it with copper and send it back, all for a reasonable price. Sorry, I have since lost the address and #.

John
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post #12 of 36 Old 05-28-2007
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There are some home-made copper plating solutions on the web. IIRC you basically just need a copper sulfate solution (easily bought) and some lower power DC. Probably less than the costs of shipping it two ways anywhere.

And if there are any local shops that do chrome plating or rechroming, IIRC they always apply copper coats as part of the process--so they should also be able to copperplate a prop locally.
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post #13 of 36 Old 05-28-2007
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Copper Sulfate is used in winemaking. I have seen 1% solutions and 10% solutions. You may be able to add some copper penny's to the mix.

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post #14 of 36 Old 05-28-2007
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US pennies have been copper-clad ZINC for a long time now. You'd have to check the date, IIRC real copper pennies went out of production 20+? years ago.
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post #15 of 36 Old 05-28-2007
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Don't be afraid of getting wet on occasion. I think it's actually fun to dive down a few feet with a scraper . . . best running gear antifouling yet.

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sold the Nauticat
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post #16 of 36 Old 05-28-2007
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Quote:
Originally Posted by hellosailor
US pennies have been copper-clad ZINC for a long time now. You'd have to check the date, IIRC real copper pennies went out of production 20+? years ago.
Believe the change occurred in 1982.

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post #17 of 36 Old 05-28-2007
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In my pocket at this moment, I have a 1975 penny. It's a moot point, a peice of copper pipe would do the same thing. I don't think they are copper chad zinc yet.

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I had a dream, I was sailing, I was happy, I was even smiling. Then I looked down and saw that I was on a multi-hull and woke up suddenly in a cold sweat.
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post #18 of 36 Old 04-13-2010
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I've been using lanocote - works great - I paint it on all the underwater metal. Use a heat gun to liquefy the goop and then paint it on hot with a cheap chip brush.

Don
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post #19 of 36 Old 04-14-2010
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Quote:
Originally Posted by RichH View Post
Petit Spray-on Zinc Barnacle Barrier seems to work well vs. barnacles.
Me too! A couple of coats of Petit zinc spray paint followed by the af paint. I had no fouling in Seal Harbor and it is a heavy growth mooring area. The boat was in the harbor from mid May until mid December. Last season was my first doing this and I will do it again this year. It was a relief to find such a cheap, simple solution.

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post #20 of 36 Old 04-14-2010
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Now this is weird and shouldn't work

Even if this post is a couple of years old, it is a subject that is ongoing.

A couple of cruisers at my marina have been experimenting with black Magic Marker
Yep you heard me Black Magic Marker. They get the jumbo Magic Marker, break open the tube and apply the stuff directly to a clean prop.
The strange thing is, it seems to be working. It shouldn't, but I have seen the boats when they are hauled and the only thing is a few critters on the hub. The rest of the prop was clean.
One boat was gone for over two years and another a year and a half.
Hey it cost only a couple of bucks, so it's worth a shot

Fair Winds
Dave
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