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Old 18-09-2016, 12:52   #1
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Fill my gudgeon nut recess holes!

Hi
When I uncovered these plates the recesses around the nuts where filled with a fairly hard but not too difficult to remove filler. The plates are then faired over with an epoxy filler.
I assumed the filler wasn't epoxy as it was fairly easy to remove.

Any ideas for an epoxy compatible filler I should use here? I thought it could have been a sikaflex, but not sure.

cheers.
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Old 18-09-2016, 13:20   #2
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Re: Fill my gudgeon nut recess holes!

I think you're right that it was sealant, something to eliminate seepage into the rudder. Normally, you'd put some into the holes, and on the threads of the nuts, and it should squirch out when you tighten them. Then, you can smooth it, to sort of fair it.
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Old 18-09-2016, 17:12   #3
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Re: Fill my gudgeon nut recess holes!

You really don't want a tough epoxy which will be extremely difficult to later remove for service. Something like Bondo is OK for this simple fairing operation.
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Old 18-09-2016, 17:53   #4
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Re: Fill my gudgeon nut recess holes!

(1-Part) Polyurethane paint / cotton putty may work fine too.

Test the putty first as not all paints dry well in a putty.

I have also used polysulfide goo under epoxy and it worked fine.

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Old 18-09-2016, 18:46   #5
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Re: Fill my gudgeon nut recess holes!

An epoxy surface will go over anything except silicone. You should use the easiest filler to remove later, ie not something like 5200.
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Old 18-09-2016, 19:19   #6
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Re: Fill my gudgeon nut recess holes!

"Fill my gudgeon nut recess holes!"

Oh yeah....talk dirty to me!
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Old 18-09-2016, 21:57   #7
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Re: Fill my gudgeon nut recess holes!

Quote:
Originally Posted by siamese View Post
"Fill my gudgeon nut recess holes!"

Oh yeah....talk dirty to me!
Lol. Don't you just love boat porn.
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Old 18-09-2016, 22:08   #8
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Re: Fill my gudgeon nut recess holes!

Thanks everyone, great stuff, any reasons sikaflex 291i might be wrong? I haven't had to dig that out of a metal hole before, but I have some handy.
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Old 18-09-2016, 22:17   #9
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Re: Fill my gudgeon nut recess holes!

Quote:
Originally Posted by siamese View Post
"Fill my gudgeon nut recess holes!"



Oh yeah....talk dirty to me!

😂


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Old 19-09-2016, 12:10   #10
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Re: Fill my gudgeon nut recess holes!

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Originally Posted by mtompson View Post
Thanks everyone, great stuff, any reasons sikaflex 291i might be wrong? I haven't had to dig that out of a metal hole before, but I have some handy.
291 will be fine IMHO. I have used 291 and West System epoxy together wet on wet successfully. That proves to me that they are compatible.
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Old 19-09-2016, 12:50   #11
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Re: Fill my gudgeon nut recess holes!

Thanks oldDave
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Old 19-09-2016, 14:30   #12
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Re: Fill my gudgeon nut recess holes!

Quote:
Originally Posted by siamese View Post
"Fill my gudgeon nut recess holes!"

Oh yeah....talk dirty to me!
Then blow me offshore, matey?

I may require a cold compress.
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Old 19-09-2016, 14:42   #13
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Re: Fill my gudgeon nut recess holes!

Why do you even need to fill it in? just leave it and the bolt heads will be visible when you next haul. That way you can inspect them. If you just want to stop growth, pack the area with an oldschool betting compound like dophinite. that way you dont have to fight it too much when you need to remove the bolts later.
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