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post #11 of 13 Old 02-14-2002
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Sail trim for rookies

Ahoy,bporter. Like the fluid velocity next to the wall of a pipe is zero in laminar flow? That was an excellent rendering on the subject. Thanks. Question: Below 8 notes seem a strange number and a bit harsh. Is it your displacement and hull shape maybe? (Assuming you have designed sail plan)
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post #12 of 13 Old 02-14-2002
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Sail trim for rookies

...knots...
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post #13 of 13 Old 02-14-2002
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Sail trim for rookies

Also, bporter, or maybe Jeff will know: I read somewhere that the friction between the air and the water retarded the lower air and caused a rolling effect that manifests itself as the air striking the sails at a slight down angle, and that raking the mast back that amount (I recall 3 degrees) actually allows the wind to strike the luff more squarely top to bottom. My thought is that this is a dynamic system and the effects of the closing speed of sails and wind will override and eliminate any such contribution. Any comment.
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