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Old 12 August 2012, 11:01   #1
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tube going down !!!

I have a section of tube which has started to slowly de-flate, there are no signs of damage
any where.
Whats the easiest way to find a leak, maybe its the valve letting by ???
Thanks
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Old 12 August 2012, 11:06   #2
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find a leak? use soapy water and watch for bubbles
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Old 12 August 2012, 11:43   #3
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Mmm, tried that, round valve and all seems.. No bubbles!!
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Old 12 August 2012, 12:03   #4
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Pump the tubes up to full pressure. Mix up a strong solution of washup liquid and water (25/75). Sponge the entire boat down (it's better on a damp day) and wait. Keep wetting down any sections that dry off - you'll spot where the leak is. Be aware that if the tube is leaking where it is bonded to the boat, the air might appear out anywhere, so pay attention to all areas.
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Old 13 August 2012, 12:24   #5
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Pump the tubes up to full pressure. Mix up a strong solution of washup liquid and water (25/75). Sponge the entire boat down (it's better on a damp day) and wait. Keep wetting down any sections that dry off - you'll spot where the leak is. Be aware that if the tube is leaking where it is bonded to the boat, the air might appear out anywhere, so pay attention to all areas.
Ok done this and found the leak....
Its on a seam at the rear of the tube on the underside, about 10mm of the overlap has started to come away and its slowly leaking from it.
Can I glue a strip of hypalon over the seam ? will this work ?
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Old 13 August 2012, 12:40   #6
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You could, but in practice it might be difficult to get it to stay down if its getting 'dragged' through the water at speed, does it look likely this may be the case ?
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Old 13 August 2012, 12:51   #7
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You could, but in practice it might be difficult to get it to stay down if its getting 'dragged' through the water at speed, does it look likely this may be the case ?
Yes, the other side has started to lift but is not leaking...
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Old 13 August 2012, 16:39   #8
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Yes, the other side has started to lift but is not leaking...
You'll need a long patch preferably triangular in shape then, pointing forward, is probably going to be your best answer.

You should be able to glue the seam and overlay it with the patch, in truth its still going to be awkward to get it applied though due to its position, there are plenty of tube boffins on here should be able to assist if they see the thread, with a method.

Have you identified what the material is ?
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Old 13 August 2012, 16:51   #9
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According to original paperwork it is hypalon...
Is it to risky to use before repairing? Was taking it on holiday at the weekend 😠
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Old 13 August 2012, 16:52   #10
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[QUOTE="brinky"]According to original paperwork it is hypalon...
Is it to risky to use before repairing? Was taking it on holiday at the weekend ...
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