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Old 18 August 2013, 12:42   #1
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tricky airdeck repair - advice please?

Nothing is ever easy!
So I inflated the deck on my aerotec after cleaning it up. The previous owner had stuck yellow sealant goop on it in places, which wasnt really stuck on very well at all and mostly just peeled off with a little encouragement. In the areas that needed a repair, I have done it properly.

Now, on inflating it, I found that the starboard deck board has gone soft within about 2 hours, and totally flat over night. I gave it the soap and water treatment and found a really annoying bubble.

It seems to be leaking from the very bow, where the two sides of the air deck meet. At the end of the stitching, bubbles come out if I put water in, and I can hear a hiss. I cannot see the puncture itself and I have no idea how I am going to get to it to fix it, excluding cutting the two halves of the air deck apart (REALLY dont want to do that!). I have put a picture on here to show what I mean. You can see reminants of the old sealant the old owner had put on, which just came away with a fingernail. I guess he had been chasing the same leak.

Do anyone have any ideas how I could tackle this?
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Old 18 August 2013, 13:09   #2
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Rik....I've a feeling I may have owned your boat some months ago .....?

Is it a grey one ..had traces of silver tape round the bow ?
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Old 18 August 2013, 13:32   #3
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Hi Peter,
It is a grey one. No signs of silver tape. I got it in north yorkshire (the owner said he had owned it for a few years), so would be surprised if it was your old one, but who knows!
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Old 18 August 2013, 14:08   #4
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I could be mistaken as it is hard to tell by the photos but it appears you will need to remove the outer layer that binds the two parts together. Any idea how deep inward from the edge the leak is?

Is that section glued and can you use a heat gun to remove it?
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Old 18 August 2013, 14:45   #5
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what about repairing it as best you can and then adding a can of that internal sealer to mop up any pinholes you cannot see/get at, just a thought. HTH
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Old 18 August 2013, 15:04   #6
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Quote:
Originally Posted by camelgas View Post
what about repairing it as best you can and then adding a can of that internal sealer to mop up any pinholes you cannot see/get at, just a thought. HTH
Internal sealer ! What is it and where can I get some :-) got a Honwave with a leak under the central strake which this may be perfect for !
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Old 18 August 2013, 15:11   #7
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Internal sealer is not a good idea in an airdeck, it'll glue together all the internal fibres and go out of shape.

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Old 18 August 2013, 15:23   #8
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Ribstore sell it as do others .

I think it was called seal skins or similar.

I re-glued a awkward seam leak in my sib bow that someone had tryed mending before (unsuccessfully), added some of this as belt and braces and the jobs been a good-un !.

after reading nashers reply : ignore me It was just a thought, as I said worked ok in the bow.
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Old 18 August 2013, 15:41   #9
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It does work really well in other areas, and finds all the small holes you might not.

However, if the boat is deflated and rolled up afterwards it can stick to itself inside the tube.
Some brands are supposedly made not to do this, but when I asked one manufacturer to give me some confidence the main tubes on the younger Nashers 380 would be OK Rolled up between being used they recommended keeping it inflated.

Everyone I spoke to said their product would not work in an airdeck, partly because of the internal fibre structure and partly because of the pressures involved.

To give you some confidence it can be done, I did some extensive repairs on the smaller Nashers airdeck several years ago and it's still fine.
The thread is a bit long, but the work I did to the airdeck is spread out through it amongst the work on the engine etc.
Introducing The Smaller Nashers 380 Aerotec

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Old 18 August 2013, 16:34   #10
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Hi Peter c, no idea how far in the leak is. I probably could use a heat gun, nice idea.

Thanks nasher - I did read your thread start to finish and the other one from scarlet jester, very informative and I feel happy to do the repair- just need to find the puncture first!
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