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Old 03 May 2016, 14:02   #11
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Just get some hypalon and make longer trunks?
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Old 03 May 2016, 14:20   #12
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Will longer work?

You either as suggested need to lift them up a bit with shock cord, or make the seal better. Are they lying flat or like a tube ?

Not sure floating will make any difference

But their job is to quickly drain the deck. The dribble coming back in as you lift them needs a different route out... ...pump?
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Old 03 May 2016, 14:41   #13
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I have automatic bilge pump (whale automatic 1300) plus manual switch (not idea about English name but you have to press and keep pressing to make pump work)

But I be happy also to have trunks work only one way ... And keep them down each time except port (if float them reduce back flow even keep them down at port)

First of all I'm going to check if there is no leak in them.
Mine are PVC (I think). Not sure if neoprene/hypalon be better but I can try
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Old 03 May 2016, 14:52   #14
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Its easier to keep them up but have them on a quick release system that if you hit a big wave you just tug the quick release, power off, drain and pull them back up...
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Old 04 May 2016, 09:48   #15
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Quote:
Originally Posted by Poly View Post
With your trunks UP you still get water leaking back into the boat?
Pushed by your question I have tested trunks.

One of them has leak



In area marked by red circle there is a leak. Trunk was not good glued here so I can even insert here a pen.

I have few options now:

1. Seat and cry ...
2. Order new trunks
3. Glue this one

I'm focusing on option no 3 but have few questions:

A) I do have VINYCOL 1520 m2 (just arrived). It is can and small bottle.
I have not idea how to use them
B) do I have to make this hole bigger ? It is connection between to opposite part of PVC material. It is not damage but simple lack of glue in this area.
C) DO I need to use any solvent first (MEK ? Acetone )
It was main reason to water come back via this pipe.

Any advice "how to glue it" be welcome (answers for A,B,C questions)

>>>>>>>>>>>>>>>>>>>

Manual for HIGHFIELD boat states that the only one glue for VALMEX is Bostik 999 PVC glue. I can not find it on the internet (to buy it). Any advice where to buy be welcome.
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Old 04 May 2016, 11:07   #16
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Or BOSTIK 1782 as replacement and not require heating like 999
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Old 04 May 2016, 11:38   #17
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Mat, glad you have found the source. I can't offer much advice on gluing as I don't do blow up boats but it looks like the leak is near the fold when it is in the up position - presumably that gets some stress?

I'd consider replacement. if you can find the right size then lay flat tubing (fire hose? or agricultural supplier?) is a relatively cheap option...
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