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Old 15 September 2005, 07:47   #1
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Antifouling

What antifouling do you recommend for Ribs that spend all of their time in the water.

Based in Port Solent we seem to have thousands of the little b***ers, even worse this year. Have now stripped off all old antifouling back to bare GRP and was going to prime and thought about putting back on International Ultra. Any other recommendations.

Richard
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Old 15 September 2005, 08:18   #2
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Richard, I am just down the harbour from you and have the same problems. Tried some cheap stuff from the Port Solent chandlers this year. Disaster, its all peeling off. Intend to strip it all off during the winter and start again in the spring going back to International Ultraspeed. The exception being the stern drive which gets Trilux (I think). Normally I would re-antifoul at the end of May, so the new coat tackles the worst of the blighters during the height of summer.

Port Solent is particularly difficult because it is shallow therefore warms up quickly and full of nutrients
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Old 15 September 2005, 08:29   #3
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I always use International Trilux on the whole boat, it is quite dear, about 92 for 2.5ltr but works a treat . Inverkip marina isnt too bad for growth as there is quite a bit of fresh water running in from a burn, so can do it every other year with just a scrub in between.
Andy
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Old 15 September 2005, 08:30   #4
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I am planning to use copperboat as have heard good things about it, although paint seems to be 60 a tin. Now for the dunce question... how do you cope with antifowling the hull. There are so many bloody rollers on my trailer (minus 1...Roller Coaster ) I can't exactly slide the boat backwards and forwards.

Anyone know of a cunning method of doing this?

p.s. was thinking od applying some of the smoothskin? on the tubes to prevent her looking like a humpback whale
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Old 15 September 2005, 08:35   #5
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Quote:
Originally Posted by Rodin
I am planning to use copperboat as have heard good things about it, although paint seems to be 60 a tin. Now for the dunce question... how do you cope with antifowling the hull. There are so many bloody rollers on my trailer (minus 1...Roller Coaster ) I can't exactly slide the boat backwards and forwards.

Anyone know of a cunning method of doing this?

p.s. was thinking od applying some of the smoothskin? on the tubes to prevent her looking like a humpback whale
Have a mate with a factory with an overhead crane.
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Old 15 September 2005, 08:39   #6
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I don't and I can't find any of my old lego/mechano to make one...
Do you sling the boat?
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Old 15 September 2005, 08:45   #7
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I've got a bunked trailer....so not a problem . Re coppercoat, Tonkas Delta is done with it and its great, just remember to add anodes if you have sterndrives.
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Old 15 September 2005, 08:46   #8
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In the past I have winched the boat back 2m onto a wooden block with the bow still on the trailer and then pained the bits were the roller sits. Use the trailer winch through a pulley block attached to a cross beam onthe trailer and keep the car hitched to the trailer just in case.

Are you going to put copper antifoul right next to your stern drive or outboard ?

Pete
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Old 15 September 2005, 08:46   #9
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scaffolding and a overhead engine hoist would do it and relatively cheap to hire or buy just have to improvise on the cradle
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Old 15 September 2005, 08:55   #10
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Quote:
Originally Posted by Mollulnan
Have a mate with a factory with an overhead crane.
wrap some cloth round the bit where the roller was, wrap enough to make a ball of material so to speak, one of your old t shirts might do the trick, you will probably be able to pull and move the arm a bit to do this, then you can slide back and forth with ease and not worry about damaging the baby
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Old 15 September 2005, 08:56   #11
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Thanks Andy & Pete for your input, someone else suggested putting copper powder into International Ultra. International say no way, but maybe they would anyway.....any thoughts?
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Old 15 September 2005, 09:05   #12
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Thee was a discussion on YBM about this a while back covering making your own copper based paint etc. Since I only need 2.5L of Ultra and 1L of Trilux, I think I will carry on just buying Internationals stuff and keep it simple. What I don't want is copper paint near my stern drive, someone else can lead from the front on this one.

Pete
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Old 15 September 2005, 09:12   #13
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Quote:
Originally Posted by Rodin
... how do you cope with antifowling the hull. There are so many bloody rollers on my trailer ...I can't exactly slide the boat backwards and forwards.

Anyone know of a cunning method of doing this?
You need a cradle or a yard stand. They make hull access much easier for any work under the boat.

I have a friend who makes these, or you can hire them.

If you need any details, send me a PM.
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Old 15 September 2005, 09:20   #14
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Quote:
Originally Posted by Pete7
In the past I have winched the boat back 2m onto a wooden block with the bow still on the trailer and then pained the bits were the roller sits. Use the trailer winch through a pulley block attached to a cross beam onthe trailer and keep the car hitched to the trailer just in case.

Are you going to put copper antifoul right next to your stern drive or outboard ?

Pete
Good thinking batman.... was thinking of blocking her some way and taking the trailer out.

Copper Antifoul and o/b proximity... haven't got round to thinking about that yet... Sounds like another problem to sort. I just like the sound of the copper stuff as it lasts more than one season and can dry out.
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Old 15 September 2005, 09:26   #15
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Quote:
Originally Posted by Rodin
I don't and I can't find any of my old lego/mechano to make one...
Do you sling the boat?
Yes, then stuff some pallets under it to move the straps.
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Old 16 September 2005, 04:10   #16
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Copper & stern drives

Forgive my ignorance but why is putting copper antifoul near your sterndrive a problem?

Peter.

P.S. Someone wrote "antifowl" in this thread - is that to keep chickens away from your boat?
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Old 16 September 2005, 04:32   #17
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Forgive my ignorance but why is putting copper antifoul near your sterndrive a problem?
Copper antifoul and an aluminium stern drive emmersed in salt water could produce some interesting reactions. A new stern drive is 6k so I am careful what goes on the hull and how close to the stern drive copper paint is applied. The transom gets Trilux antifoul rather than Interspeed, no scientific evidence that this helps so I take a cautious approach. My annodes last a year at the moment provided peeps stop dangling mains power cables in the water near me
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Old 16 September 2005, 05:36   #18
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What about antifouling the tubes - from what I have seen of ribs in the water most growth occurs around the tube/water level.
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Old 16 September 2005, 05:53   #19
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i am so glad i keep mine on a trailer, saves all this fuss and worry
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Old 16 September 2005, 06:01   #20
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I get a green weed-like growth on mine at the waterline (and on the outdrive leg) if I leave it for too long on the mooring - but the rest of the hull gets covered in brown goo and barnacles - neither of which comes off that easily.

My RIB gets used most days - which helps to keep it clean - but usually take it out for a jetwash every 3 weeks or so. I last did it 2 weeks ago, and she came out again today for servicing - and the bottom is completely clean, no growth at all.

I am thinking of antifouling next year though - our slip isn't that convenient - I can only launch HT +/- 20 minutes for most of the time!! - and it is definately a hassle I could do without!!

Dylan...

P.S. On Copper anti-foul, I think you have to leave a 3 inch 'gap' around the outdrive leg to stop any electrolytic corrosion.
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