I was wondering how to make the keel of a harry tough enough to be able to beach it, for letting it dry out or working on it after the tide goes out. I figure just sitting there isn't too much of a problem, so long as it isn't an obsidian beach, but the boats always bounce a bit as the tide goes in and out.

I was planning on 15mm Airex core, with 18oz biaxial fiberglass on either side. Think I am ok with that, or should I add a 2nd layer of fiberglass? If I just do it below the waterline, I am only talking about a strip 12" wide or so (maybe 50 sq ft total), so the extra weight or expense isn't huge. I could even get some 12oz carbon twill for about $7/sq ft.

Opinions?

- Gardner

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