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Old 25th August 2011, 11:58 PM   #21
Farlo
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Join Date: Aug 2006
Posts: 527
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Hi Carlos, this is true but the top of modern sails is mostly designed to release excess pressure. It's pretty obvious on some models where the whole upper part will dangle down sadly when rigged. IMHO comparing surfaces whether or not accurate gives only a very rough indication, notwithstanding other factors (design, mast, downhaul, etc).
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