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Buoyancy tank foam, |
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Ruscoe 
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Joined: 12 Jan 10 Online Status: Offline Posts: 1514 |
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 Topic: Buoyancy tank foam,Posted: 13 Apr 11 at 8:17pm |
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Ian, I can imagine the foam is 100% necessary with the super grads being 1 tank!!! I will have to do a bit of digging to find some closed cell water proof stuff, i like Jims idea.
I am modifying the old girl a fair bit, i have currently managed to loose a fair bit of weight from her...
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ifoxwell
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Joined: 05 Jan 06 Location: Hoo Online Status: Offline Posts: 669 |
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Posted: 04 Apr 11 at 8:57pm |
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I nearly sunk 2965 at a very windy Milton Keynes Open a number of years back when the boat folded up through the tension in the rig and it popped all the hatches.
No idea what the foam was in the boat but it was all that got us back to shore that day. Ian
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RS300
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JimC
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Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6660 |
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Posted: 03 Apr 11 at 7:48pm |
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I've used Dow Floormate, which is a flooring insulation foam. Its supposed to take on less water than standard polysteyrene, but you still want to arrange it so it will never sit in water. If you are redecking the boat you can use it as side deck beams and save a bit of weight...
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Ruscoe
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Joined: 12 Jan 10 Online Status: Offline Posts: 1514 |
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Posted: 03 Apr 11 at 7:24pm |
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No problems mate, although we are only collecting the parts this weekend. I will write up a blog on how we fit it out. I hope to be twin poled and lazy guy'd up by Carsington....If i am allowed to go sailing over Easter.
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Contender 541
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Joined: 05 Dec 05 Location: Burton on Trent Online Status: Offline Posts: 1402 |
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Posted: 03 Apr 11 at 7:12pm |
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Russ - just done some more research - Expanded PE not PP
We dropped our new boat there today and rigged ready. Don't think we will be much better, but one less excuse!!
Can I have a full show and tell of the twin Spiro system - we now have a single ended continuous pole. As long as I get the timing I will be okay
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When you find a big kettle of crazy it's probably best not to stir it - Pointy Haired Boss
Crew on 505 8780 |
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Ruscoe
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Joined: 12 Jan 10 Online Status: Offline Posts: 1514 |
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Posted: 03 Apr 11 at 6:59pm |
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Stuart, Yeah we will be at Burton next weekend, had a really good sail today. Tim Rush is dropping off our new kite and hopefully new carbon poles and Twin Spinno...
 Nigel, The rules state that GRP boats have to have foam secured in the tank, the supergrads only have one tank and no bulkheads so i guess its in case you are holed. i have removed all of the foam from ours as it was full of water and no longer attached. Taking all of the foam out, the rear traveller moulding and a few other bits has saved me about 6kg in weight at present!!! So of this will go back on when i rebuild the deck/hull, fill her with closed cell foam (just in case) and then paint her. Wish i had weighed her at before i started.
Edited by Ruscoe - 03 Apr 11 at 7:03pm |
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Webmuppet
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Joined: 11 Mar 06 Location: Suffolk Online Status: Offline Posts: 534 |
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Posted: 03 Apr 11 at 6:17pm |
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Russ
I peered into the tanks of our Supergrad and there's nothing in there. Perhaps I'm being dim, but why do you have to have foam etc. in the void - surely it's just a case of making sure that the tanks are watertight ? Cheers, Nigel
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I am the milkman of human kindness, I will leave an extra pint (Billy Bragg)
Graduate 2530 'Galaxy' |
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Contender 541
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Joined: 05 Dec 05 Location: Burton on Trent Online Status: Offline Posts: 1402 |
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Posted: 03 Apr 11 at 6:07pm |
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Russ
I think they are made of expanded PP.
If they are then it is a common material in packaging.
I rather suspect you have some contacts in that are you can tap up, but if not let me know and I can give you a few names.
BTW - You going to Burton nex week?
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When you find a big kettle of crazy it's probably best not to stir it - Pointy Haired Boss
Crew on 505 8780 |
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Ruscoe
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Joined: 12 Jan 10 Online Status: Offline Posts: 1514 |
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Posted: 03 Apr 11 at 5:58pm |
Its not a common thing as i understand it. The graduate forum is really inactive as well. i like the swimming noodle idea, anyone know what they are made of? if i caould buy that foam in larger blocks it would be great.
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JohnW
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Joined: 17 Jul 07 Location: United Kingdom Online Status: Offline Posts: 552 |
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Posted: 03 Apr 11 at 3:27pm |
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How about swim noodles? You should be able to strap them down to the hull inside the tanks.
I dont know how many you would need and if they would be cost effective. |
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