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Old 25th January 2012, 06:59 PM   #3
pfaffi
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Join Date: Jan 1970
Location: Austria - Lake Neusiedler, closed Vienna
Posts: 136
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Simple story:
Tip extension makes out of a constant curve a flextop mast so you get deeper profile in the boom section and more loose top section because you need less downhaul tension to get the correct loose top.
Some sails get profit out of it, some not. Eg. Code Red profit, Reflex not.
BR pfaffi
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