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post #4 of Old 11-03-2009
sailingdog
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Just curious, but why did you use marine plywood as the core material in your rebuild. Marine plywood is about the worst choice of core materials out there.

Many boats were built using it, but it was mostly due to cost considerations, not structural. Marine plywood is heavier than the other commonly used core materials, like end-grain balsa or foam, and it shares some of the worst characteristics of both. It rots like balsa does. It also allows water to delaminate large areas like foam does.

I'd also point out that if you had used either foam or an end-grain balsa based core material, like Baltek, you could have easily worked in larger sections than you were able to with marine plywood, as the materials are more flexible and would fit the cabintop shape better.

Nice job BTW... looking forward to seeing the photos.

Sailingdog

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Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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