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Old 05 June 2008, 17:34   #11
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Country: UK - N Ireland
Town: Cushendall
Boat name: JanJack /
Make: RedbayBoats / Brig
Length: 8m +
Engine: Yanmar 300 / etec 50
Join Date: Mar 2008
Posts: 81
Any idea what the thickness of brig decks are?
Does it weaken it if I go completely through it?
My console doesn't have a normal outer flange or set holes and I will be screwing using a sort of inner flange - should I be drilling through the console and deck at once or should I drill the console and then use it as a guide for the deck?

Regards

Conor
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Old 05 June 2008, 18:18   #12
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Quote:
Originally Posted by chorscroft View Post
Any idea what the thickness of brig decks are?
No idea. Is it ply? If you find it to be relatively thin, use more screws. If you find it to be fibreglass then you may need to rethink because screws are not good in fibreglass because of its structure and characteristics.
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Does it weaken it if I go completely through it?
No.
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My console doesn't have a normal outer flange or set holes and I will be screwing using a sort of inner flange - should I be drilling through the console and deck at once or should I drill the console and then use it as a guide for the deck?
It won't matter but after drilling the pilot holes, drill the holes in the console to be a clearance size for the screw otherwise the screws will not tighten the console down to the deck.
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Old 06 June 2008, 03:12   #13
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Country: UK - N Ireland
Town: Cushendall
Boat name: JanJack /
Make: RedbayBoats / Brig
Length: 8m +
Engine: Yanmar 300 / etec 50
Join Date: Mar 2008
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By clearance holes do you mean that the screw should drop through them with just the head of the screw holding it in place?

Also any help advice on how to change my steering cable.

Regards

Conor
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Old 06 June 2008, 04:47   #14
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Use either 3M 5300 marine sealant or 3M 4200 marine sealant if going through plywood, rather than sikaflex. Sikaflex will is not friendlly to the adhesives used in plywood.
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Old 06 June 2008, 05:43   #15
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JW's post is very good advice - If you are in any doubt of your DIY skills don't do it get a pro!

What can go wrong - the screws can pull out, you can puncture an under deck fuel tank, if you only bond to where it touches it is a very small "contact patch" and could pull the top surface of whatever you are fastening to. Also you have no data on how the deck was built or what condition it's in! Sorry to sound a little negative, but it's better to give it the best chance of sticking!
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Old 06 June 2008, 13:58   #16
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Country: UK - N Ireland
Town: Cushendall
Boat name: JanJack /
Make: RedbayBoats / Brig
Length: 8m +
Engine: Yanmar 300 / etec 50
Join Date: Mar 2008
Posts: 81
Quote:
Originally Posted by martini View Post
What about bonding together with resin or similar? Grind the deck and the flange of the console back to fresh glass where they meet, mask off the rest of the area and get as much resin on there as you can.

If I were to stick down my console with a type of resin or glue, what would I use?
Would this be stronger than self tappers?
How to you remove the console if you want to change it after?
My console has a solid base of bare fibreglass, does that change anything?
I read in a booklet for brig I had that the deck is marine ply, will there be a layer of fibreglass under the gelcoat, but above the deck?

I'm coming round to thinking that this could be an easier and safer option, as I would really rather do it myself and save what I assume would be a considerable amount of money.

Regards

Conor
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