Quote:
Originally Posted by afishin82
So would a layer of 1708 a layer of 1.5oz mat and some supports on the hull sides be good enoigh or does it need to be cored. I want to do it right no matter what it takes so point me in the right direction.
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1708 already contains mat (17 oz woven roving + 8 oz. mat), so you don't need additional mat which adds very little strength anyway. The main function of mat is that it holds a lot of resin, so it helps fill in the gaps that would otherwise exist between the coarser layers of woven roving, helping to bond roving layers together. You definitely need a core to get back at least SOME of the stiffness you lost by removing the cap and bulkhead! Check out billythekid's post "I must be punishing myself" to see how to add the core inside the hull sides. Not sure if 1 layer of 1708 over the core would be enough, but billy's done this before, so if you do whatever he did, I'm sure it'll be ok.