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Old 23 February 2009, 15:44   #11
Country: UK - England
Boat name: Angel-B
Make: Ex Y boat
Length: 3m +
Engine: Suzuki 9.9HP
Join Date: Apr 2007
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Originally Posted by Blackroady View Post
I have always gone for nuts on the outside- keeps the inside smooth so that you dont shed blood on a regular basis.
Gets my vote.

I would go for pan head / cheese head / cap head bolts with head on the inside, with penny washers under the bolt head to spread the load on the transom.



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Old 23 February 2009, 16:03   #12
Country: UK - England
Town: Warrington
Make: Excel
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Engine: Tohsatsu 15hp 4s
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Thanks again fellas! A little knowledge can be a dangerous thing as they say, so I appreciate gaining a lot of knowledge from the experts like yourselves.

A couple more things that you could give some advice on -

1. I've read all the debates over 4200 and 5200 and out of the two I thought I'd go down the 4200 about if I throw Sikaflex 291 into the pit too? Would you go with the 3m product or the Sika? Or are they pretty much the same?

2. Epoxy paint to the exposed core prior to fitting bolts - what product? There's so many.

I'll let you know how it goes once I get fired up to do it.

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Old 23 February 2009, 17:43   #13
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Sikaflex 291 is perfect. You can get it in a small tube too, so not a lot of wastage.
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Old 05 March 2009, 05:33   #14
Country: UK - England
Length: 7m +
Join Date: Jan 2004
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With regards point 2, I'd simply put a dob of Sikaflex in the holes prior to putting the bolts in. Wiggle the bolt around once its in the hole to spread the Sikaflex around. That should do fine.

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