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Old 07 September 2016, 05:02   #1
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Fuel bag repair

I own a few Avon fuel bags. Those black ones that you hang from your tubes.

One of them has developed an unfortunae leak at the top.

Is it possible to repair those? AFAIK they are made of hypalon.
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Old 07 September 2016, 08:58   #2
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Hello. I looked at repairing mine. They can't really be repaired. And for what it's worth you may as well get new ones save them leaking. Just the reinsurance and one less thing to worry about.
Seaflex make them.

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Old 07 September 2016, 09:07   #3
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Quote:
Originally Posted by gocherhaz View Post
Hello. I looked at repairing mine. They can't really be repaired. And for what it's worth you may as well get new ones save them leaking. Just the reinsurance and one less thing to worry about.
Seaflex make them.

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I'd think that was good advice
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Old 07 September 2016, 10:13   #4
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Don't bin it just yet...they're repairable with polychloroprene glue (hypalon glue).

If it is a small hole or puncture, just patch it as you usually would.
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Old 07 September 2016, 13:17   #5
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Aren't the bags stuck together in the first place? So why would a patch not work? Only asking SIT inflateables do them to 280+vat 20 Lt
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Old 07 September 2016, 13:41   #6
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Aren't the bags stuck together in the first place? So why would a patch not work? Only asking SIT inflateables do them to 280+vat 20 Lt
They aren't 100% fuelproof as far as I can see-if you put premix in them for example, they go oily on the outside after a while.

I'd be interested to know if anyone has managed to get glue to stick to one.
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Old 07 September 2016, 15:29   #7
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They aren't 100% fuelproof as far as I can see-if you put premix in them for example, they go oily on the outside after a while.

I'd be interested to know if anyone has managed to get glue to stick to one.
Elastomers are very slightly porous...moreso in this case, because the inside should be CSM. So rather than an inflatable that is neoprene inside, polyester fabric, then CSM on the outside, the fuel bladder should be CSM/Poly/CSM.
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Old 08 September 2016, 02:18   #8
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I can see this being a classic example with the problems of the new petrol with E10 (10%) Ethanol making it more problematic with older fuel delivery systems, hoses and fuel tanks and I guess now hypalon glued petrol tanks.

Ethanol is an excellent solvent, drying agent and cleanser which could also be a big issue with any glue that the petrol comes in contact with.

I wonder if it's more prone to break down any glues that it's in contact with?

I see no reason why you shouldn't give it a go, what do you have to lose?

Hopefully it won't be a issue.
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Old 08 September 2016, 03:02   #9
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Heya guys, thanks for all the tips. Did a bit of poking around yesterday evening, and after a bit of pulling, the entire thing ended up falling apart at its seams, which is really unfortunate, but then again these things are quite old.

I might take one apart and try to glue myself a new one, or look around for some good used ones

Thanks for the advice
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Old 08 September 2016, 14:27   #10
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I can see this being a classic example with the problems of the new petrol with E10 (10%) Ethanol
We're on E5 over here still. Not sure about Germany though.
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