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Thread: Bedding the Keel to the Hull
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6th November 2009, 04:46 PM #1Senior Member
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Bedding the Keel to the Hull
Hi Guys
I have a question for the forum in regard to what to do in this area. Should I epoxy the whole thing on? or use the AU made Fixseal MSP15 I purchased for the job. Refer my Tom Cat thread for details. Deadwood is Hoop Pine, Keel pieces are all Tassie Oak. Everything will have three coats of epoxy being fastened to a glass sheathed hull. Help
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6th November 2009 04:46 PM # ADSGoogle Adsense Advertisement
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6th November 2009, 06:21 PM #2
Sixpence has hers glued on with epoxy, as per David Payne's plans.
Richard
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6th November 2009, 07:11 PM #3Deceased
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i did the same as Daddles
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6th November 2009, 09:50 PM #4
I preface this post with saying you should take absolutely no notice of what I say however the understanding I have from my readings is:
Do you think you will want to replace or repair it sometime, guess it depends on how you will use her as in will you beach her on rocky shores where the epoxy will get damaged.
Are you worried about somebody in 50 years time wanting to repair her.
If no I'd glue it on making sure it's all sealed up and forget it.
It seems to me the Americans see it important to be able to dissassemble things easily for repairs hence the use of bedding compounds and if traditional clinker it would be important for movement but as yours is strip well either way would be OK. That is my take on things but somebody may wish to correct me
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6th November 2009, 10:06 PM #5
I don't know that there's anything hard about removing a lump of wood glued on with epoxy. Once you've assaulted it with a plane, hand or power, the worst you'll have is a line of epoxy to remove, which is far easier to remove than sikafex or any other goop. The only issue is remembering that you also left a few screws in there
Richard
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6th November 2009, 10:07 PM #6
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6th November 2009, 10:14 PM #7
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6th November 2009, 10:40 PM #8Deceased
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i think it's in Sam Devlins book a section on bedding in the keel with polyurethane compound after the hull has been glassed so it is separate from the hull, but i think it was for damage limitation if the keel got ripped off.
he also recommends bedding all decking to be bedded in the compound
i left the remains of a 4mm drill bit in mine
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7th November 2009, 08:25 AM #9
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7th November 2009, 08:55 AM #10
It is pretty rare that such bits get bedded in a flexible sealer in an epoxy built boat. Mos ft will glue.
It is kinda unlikely that such a piece will get damaged to much depth unless you drop the boat from a few metres up onto a rock. I suspect the most you will have to plane off and replace would be about a quarter inch. If you ever have to do any work there at all.
So glue.
With decking, If is is the ply decking being glued down with the sealer that seems strange - why not make the deck just as integrated as everything else? But it might be fake timber planking over a ply subdeck - and to bed down thin timber planking in a softer sealer is not that uncommon as it reduces the risk of the timber planking delaminating from the ply if it is done the correct way.
MIK
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9th November 2009, 11:04 AM #11Senior Member
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Many thanks to you all for your input. Epoxy will be the deal. I have to say I'm somewhat relieved that I have finally made a decision wit your help. I've always worried about sanding and painting over the flexible goop although it has been done many, mnay times (just not by me!). I'm more comfortable with epoxying.
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