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Old 05 February 2013, 13:27   #11
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Its a nice one I'll post a pic of the holes in a bit
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Old 05 February 2013, 13:46   #12
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Would it fuse together using a soldering iron ,

If its not on a seam I would try use the nut & bolt with some fibre washers .
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Old 05 February 2013, 13:50   #13
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They are in the plastic outer skin only, but if I blow it up they are leaking air.
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Old 05 February 2013, 13:58   #14
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It's a Wilsco Fuel Bladder -Triangular 23L fuel bladder. Aussie made tough Urethane. $495.00

Rubber Ducky Inflatable Boat Repairs & Services - Accessories
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Old 05 February 2013, 14:06   #15
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They are in the plastic outer skin only, but if I blow it up they are leaking air.
I'd be very very tempted to do the best possible job with a patch.patches and decent glue and see what happens.....if it holds air, try it with a couple of litres of petrol and pump up the aur pressure to it...

Nothing to loose..all to gain ...if you dont want to I will..
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Old 05 February 2013, 14:12   #16
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Alex give Andrew S a call from Defender2 you never know http://www.liquitech.co.uk/
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Old 05 February 2013, 14:35   #17
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As luck would have it I could hear something inside the tank so after a time I managed to fish it out and it's an off cut of material Jammy or what

looking at it I think that I need to pressure test the tank first before trying to heat weld some material in.

Any ideas on how to pressure test this?
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Old 05 February 2013, 14:44   #18
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simple - use the fuel adapter for the tank , a piece of fuel hose and a foot or handpump to inflate it .
If you can put a simple valve between pump and tank - good - if not look for something else to close the hose properly .
Use a spray bottle with some soap water to look for the leak .
Have´to do the samewith one of my AVON bladders ..
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Old 05 February 2013, 14:48   #19
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before trying to heat weld some material in.

Any ideas on how to pressure test this?
Not sure you'll ever heat weld it ...I'd think glue would be the only way to patch it.

And to pump it up use a foot pump with some suitable attachment to the exit hose.....somehow , maybe ?
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Old 05 February 2013, 14:54   #20
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Not sure you'll ever heat weld it ...I'd think glue would be the only way to patch it.

And to pump it up use a foot pump with some suitable attachment to the exit hose.....somehow , maybe ?
Wouldn't glue just break down very quickly with petrol in contact? Fortunately, my hole is not on a seam so I'm going to attempt the bolt and large washer idea, maybe with a bit of sikaflex for good luck.
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