Junior member, rest old
Join Date: Feb 2009
Location: Columbus Ohio
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Re: looking for information on hulls
Tim is right. I don't think you'll find an answer to your question. Even among a single manufacturer, some models were cored, others weren't. Some were cored only above the waterline, others the entire hull was cored.
1977 C&C 30 Mk 1 hailing from Port Clinton, Ohio