Brass Prop Anti-Fouling Coatings ? - SailNet Community
 
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post #1 of 10 Old 04-09-2009 Thread Starter
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Brass Prop Anti-Fouling Coatings ?

Are there any anti-fouling coatings for brass props that work better than just wire brushing and polishing?
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post #2 of 10 Old 04-09-2009
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Not that I'm aware of. It'd have a job staying on the prop due to the friction of the water during use.

Now get that wire brush out and start polishing
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post #3 of 10 Old 04-09-2009
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I use the primocon primer/prop paint from Interlux. It is not perfect but it certainly improves things compared to completely bare prop. (It is also easier to clean off barnacles from paint and primer than it is from the bare metal).

Make sure to use primer first as specified on the packaging. I tried a shortcut a few years by just spraying paint alone and it tends to not hold as well (d-oh).
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post #4 of 10 Old 04-09-2009
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Prop Speed is a product that actually does what it says it does. Expensive and difficult to apply however. Tell your diver you are using it (if you are). That stuff will come off with a harsh look.

PropSpeed USA, Inc.
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post #5 of 10 Old 04-09-2009
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I've had good experience with Petits Zinc Prop and Shaft Spray. A spray paint zinc coat that is easily applied. I was so happy with a single coat last year that this Spring I put on 3 coats. Hey if a little is good, I'm hoping more is better. Anyhow, last season I experienced little barnicle growth and what was there was easily removed. Not inexpensive but less than $30 for a spray can.

Good luck...MGM

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post #6 of 10 Old 04-09-2009
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I second the Pettit zinc spray. It's the only product I've found that works and is straightforward to apply. As MGM said...just point and spray.
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post #7 of 10 Old 04-09-2009
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Several people have told me they use "penatine", it's a zinc-based diaper rash ointment for infants - really!!.... quite sticky and seems to stay on the prop, and does the job.... probably costs less too...

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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post #8 of 10 Old 04-09-2009
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Grease I had an Autoprop on my last boat and at haul out I'd grease the prop bearings then appy a thin layer all over the prop. While it does wash off the prop seemed to have fewer barnacles on it then prior to doing so. I've heard of people using lanolin the same way. Actually supposed to be the primary ingredient in Prop Speed, just a lot cheaper.
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post #9 of 10 Old 04-09-2009
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I hope that's a BRONZE prop, not a brass one... or you got ripped off....
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Are there any anti-fouling coatings for brass props that work better than just wire brushing and polishing?

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post #10 of 10 Old 04-09-2009 Thread Starter
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I'm still learning... It looks brass to me, but it's probably bronze. I'm sure it's the original prop that C&C put on the boat.
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