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Fibreglass and keel replacement questions
So as I mentioned in my intro thread, I just picked up an old thunderbird in pretty rough shape, and was hoping to get some ideas on how to fix her up.
First of all, there's a section of the hull inside the cabin that feels like it has some give to it. If I tap on the outside of the hull in the same spot, it seems fine.
This to me would seem to indicate that the inner layer of fibreglass has simply come unstuck from the core, so I was hoping that I could maybe carefully poke a hole in the fibreglass and inject some resin in there to stick it back down. Would this work?
The next major problem is with the keel. The bolts that hold the keel on go through a big oak board at the bottom of the hull, which I assume is supposed to spread the load around. This board is almost completely rotted away, so it obviously needs to be replaced.
I was hoping that I could build some sort of cradle to hold the keel up, grind off the bolt heads, then lift the hull right off the keel. I'd then have to weld new bolts on and replace the board with something.
How is the keel/hull joint sealed? do I just epoxy the heck out of it?
Could I replace the board with a steel plate or something and cover it with fibreglass?
Is this in general a terrible plan? Is there a better way of doing things I'm not considering?
Thanks for your help!