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Old 15 June 2016, 15:19   #11
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Yup..a round hole it will be Jeff..I also have a small diameter brass tube. It will slide up the fishing gut to the patch..so I have the brass tube to push the patch through the hole. Then the brass tube will slide off the gut..and I can tie the gut up to something to give pressure until the internal glue sets..so Im still using all your suggestions
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Old 15 June 2016, 15:23   #12
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Let us know how you get on mate interesting one cheers
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Old 15 June 2016, 15:27   #13
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crikey I didn't know you had any of those shiny circular things left after the soup in Tighnabruich.
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Old 15 June 2016, 15:51   #14
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Pang M6 6mm Maxiseal Rubber Plug Patch (24) | Autosessive

For info
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Old 15 June 2016, 17:20   #15
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Looks like a lot of fun had by all

Mods don't you think Gurnards repair should be split to anther thread as it is useful stuf which not all will read here!
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Old 15 June 2016, 17:28   #16
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Looks like a lot of fun had by all

Mods don't you think Gurnards repair should be split to anther thread as it is useful stuf which not all will read here!
Yes! I'll tidy it up either later tonight or whilst appearing to work tomorrow
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Old 15 June 2016, 17:30   #17
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Yes! I'll tidy it up either later tonight or whilst appearing to work tomorrow
good man wouldn't catch me doing that though
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Old 16 June 2016, 08:12   #18
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Hi Jeff..I like the look of those type plugs ..but as Im a stingy old git..Im not spending £18 on them to sort one leak. If I had a few leaks..I would then consider it.

I have plenty PVC patch material..from a repair kit and also a re cycled Seago.. so Im still going down that route..but keeping both Fenlander and your advice in mind for an internal patch before the external patch and final finish.

Its still raining here so I cant do the actual leak yet.. but have now worked out my technique for applying the internal patch.

I will use a ¼” drill bit to enlarge the actual PVC leak hole ..and here I have used a piece of ply to simulate the PVC tube

First step is to cut three patch disks .. two are around ½” diameter and the third around 1” diameter. I drilled two small holes in one of the smaller pieces and also the larger piece. I also require some fishing gut..at 25lb breaking strain..its strong enough for the job. The holes I drilled are a nice fit for the fishing gut to pass through.



Second step is thread the gut through the holes in the small disk.. then PVC glue the other small disk to the rear of the disk with the gut. Leave overnight to cure. This seals the holes around the gut



Step three is thread the larger disk onto the fishing gut but don’t slide it all the way to the smaller disks. Fold the smaller disk and shove them through the hole in the tube. When I do it for real..they will be slobbered in a mix of PVC glue and Sikaflex marine adhesive to form a sticky paste.



Step Four ..once the two smaller disks are inside the tube ..slide the larger disk up the gut..roll it up and shove it through the hole. Again..it will be slobbered in sticky goo when I do for real.



This photo shows the “rear or inside” of the tube. The disks are dangling on the fishing gut. (you have to use your imagination to see all that slobbered sticky stuff that they will be covered in.)



Then its simply a case of pulling the fishing gut from the outside of the tube..and all disks are pulled into place. Secure the gut to keep tension on the patches until the slobbery stuff has cured.



Once cured..the fishing gut can be snipped off..then the external patch applied.

Anyone have any better ideas or see any pitfalls to this way ?

I would prefer to do the repair with materials I have at hand so not wanting to order stuff that I wont use. I also don’t want to cut a large hole in a better access location so I can access the internal area of the leak.
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Old 16 June 2016, 08:13   #19
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I've seen this before.

Cut a hole in the outside of the boat, patch the leak from the inside, then inside/outside patch the hole you cut on the way out.

You can glue a d-ring over the patch if you care about cosmetics.
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Old 16 June 2016, 08:14   #20
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I also don’t want to cut a large hole in a better access location so I can access the internal area of the leak.
Why not? That's the right way to do it.
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