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Old 27-08-2018, 22:34   #1
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Ok to paint Coppercoat on Airmar P319 Depth transducer

Hi all,

About to fit a new depth transducer (Airmar P319 plastic version) and then redoing the hull with copper coat.

The transducer has a sticker on it saying “water-based anti foul only” - so naturally I’d like to know if that is completely true or not?

We already have copper coat on the hull (we are renewing) and use an in-hull clipper transducer and have never had any issues with it. So as far as I know I’m not concerned about the copper coat interfering with the signal.

However, perhaps the copper coat will physically damage the plastic by reacting badly with it?

I’ve found a few posts referring to “copper based anti fouls” but nothing specific to copper coat.

Has anyone done this before?

Thanks
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Old 27-08-2018, 22:59   #2
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

Benzy, I have been slapping ordinary antifoul but not copper coat on mine for a decade despite what the label says.

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Old 28-08-2018, 00:16   #3
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

No specific info, but coppercoat is epoxy based and that should not attack other plastics AFAIK.

Jim
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Old 28-08-2018, 09:05   #4
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

I never put any paint on a transducer. Never a problem.
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Old 28-08-2018, 09:44   #5
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

How do you keep it clean?

I would have an underwater forest growing on it in a matter of weeks.
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Old 28-08-2018, 09:49   #6
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

I sail on the Chesapeake. Once the water warms up in July I wipe the bottom off with a sponge about every 3 weeks. Only issue I have is the knotmeter transducer paddlewheel gets a little fur on it but I pull it and clean it. Depth transducer only has a little slime.
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Old 28-08-2018, 10:08   #7
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

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Originally Posted by Pete7 View Post
How do you keep it clean?

I would have an underwater forest growing on it in a matter of weeks.
https://search.defender.com/?express...er%20paint&s=1
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Old 28-08-2018, 10:24   #8
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

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Originally Posted by Shrew View Post
I just use the same stuff as the hull antifouling, not a problem so far in 10 years. There are a variety of rattle can antifouling paints this side of the pond, none of which are anything more than medium strength unfortunately and we really do need a high strength paint, sadly.

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Old 31-08-2018, 22:28   #9
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Re: Ok to paint Coppercoat on Airmar P319 Depth transducer

Well, ended up not putting copper coat on the depth transducer. Couldn’t find anything specific to say it’s ok and the guy in the yard though it wasn’t a good idea. I figure better safe than sorry. I’ll have to deal with the barnacles

So the question is still unanswered!
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