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Old 07 August 2012, 17:02   #1
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Airdeck repair advice needed

I'm not sure if I'm just not using the search correctly, or it there is nothing out there but can an airdeck be patched?

I was remiss in stowing my anchor properly and it punctured my airdeck while jumping some large waves.

It is a 2007 Mercury Airdeck 340 made of PVC. The floor inflation pressure is 11 PSI. I am not sure yet if any (or how many of the vertical threads might be broken, but the tear is about 1.5 inches long.

Any advice or repair techniques. I am pretty proficient at tube repairs and accessory (glue) mounting techniques, but haven't ever done the high pressure repairs.

Thanks, in advance.
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Old 07 August 2012, 17:19   #2
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Have a read of this thread :

Introducing The Smaller Nashers 380 Aerotec

Nasher patched his ( which also runs at 11psi )

So there is hope - not sure if your repair woudl be harder if its more central and the vertical threads have been damaged ?

Pete
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Old 07 August 2012, 17:33   #3
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Thanks, Pete

Option #2....does anyone know if any of the hard decks from Merc will fit the 2007 Airdeck model, and where I could find a used one? I don't have much of an appetite for the price of a new Airdeck!!!!
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Old 07 August 2012, 17:37   #4
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It looks like Nasher had some more difficult compounds to work with. My tear is on the flat top surface. I'll post some pics later, after I get the boat out of the water.
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Old 07 August 2012, 19:58   #5
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You can patch that air floor like any other tube, just clean well area and apply a proper diam patch that covers anchor cut and extend to at least 5 cm per side of cut if cut happens to be really extensive.

Happy Sibbing
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Old 07 August 2012, 22:03   #6
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Thanks Loco:
I think I may have lucked out. It appears that the tear is inbetween the "z's" which are the through stitches.
So do I just glue like normal or I have heard of some folks stitching up the wound then applying the patch.

In examining the inside, I cant find any of the vertical through stitches which are cut...just the fabric imbedded in the skin PVC.
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Old 08 August 2012, 01:17   #7
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I would try to get a patch on the inside by cutting the hole straight and inserting a patch inside. Followed up with another patch over the top.
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Old 08 August 2012, 03:22   #8
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Getting a patch on the inside will be impossible without cutting the cross links between the top and bottom of the deck, no matter what you do then you'll end up with a bubble in the deck in that area.
The way the cross links are bonded to the inside would also make it difficult to glue to.

It would be good to get some strips of material behind the hole if nothing else, and a few stitches wouldn't do any harm.

Then just a patch much bigger than the hole should do the trick as long as the surface is prepared really well for it to stick to.

The new 'liquid skin' type products might be worth a try under the middle of the patch too.

Nasher.
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Old 08 August 2012, 10:09   #9
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I have not seen an air floor on the inside only the outside. Logic tells me it needs everything it can get to keep the patch from bubbling up under the 11 psi.

Not sure if this would be ideal...but could you stitch a small patch down, then come back over the top with a bigger patch? Or would it be better to just stitch the current rip closed?
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Old 08 August 2012, 10:32   #10
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Peter, sorry didn't mean anything by my reply.

You are of course correct that with 11psi everything possible needs to be done to hold the repair together.

The top and bottom of an airdeck are attached to each other by thousands of threads which hold the two a set distance apart, it's a bit like a fibrous mat glued to the underside of each layer that has been stretched apart in the middle. It means that you can't really glue anything to the inside.

I'd be tempted to stitch a small patch over the top of the repair for mechanical strength, being careful to space the stitches so as not to introduce a 'zip', then glue an oversize patch over the top to keep the air in.

As mentioned there are also some new 'liquid skin' products available that could also be used on the stitched patch.
I was given a sample of one at the Seawork show earlier this year but can't remember the brand name off hand.

Nasher.
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