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post #16 of Old 10-19-2010
RichH
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In higher wind ranges there is usually no need to add twist as the 'gradient wind' is lessened (except for close to the water). Allowing the sail to 'twist' creates a more unstable sail shape with non uniform ability to control. Keeping the sails as flat and 'untwisted' as possible allows FAST and precise control with the sheet or traveller ... enabling one to rapidly and precisely react. When blading-out the luffing happens instantly 'all along the luff' - easy to control; in contrast, a twisted sail will have a progressive luff starting at the top panels and then progressing 'down' along the luff - too damn slow in gusts and will occasionally leave one 'underpowered' ..... at the exact wrong moment.
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