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I have no specific comments about the Tartan/CC issue. However, Gramp34 said :
"If you're seeing gaps at these edges, it's actually a good thing. Bulkheads butted up against the hull create hard spots. The hull skin flexes as wave pressures change. If a bulkhead is hard against the skin, the skin can't flex there. It has to bend along this line. This puts extra stress on the skin and can lead to cracking.
"Better practice is to leave a gap at the edge of the bulkheads and have the tabbing bridge this gap. "
Gosh, that doesn't sound right to me. I have heard of placing high density foam between the outer edges of the bulkhead and the inner hull sides to reduce hard point loading, but I have never heard of intentionally leaving gaps between the bulkhead and hull in order to let the skin of the hull flex. My understanding of the purpose of the bulkheads is to make the hull more structurally rigid and prevent precisely that from happenning.
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