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; Three factors which control sail performance are ; Position, Shape and Size. Whenever a sailboat turns the sails will need to be adjusted. ... Before leaving the dock, you should determine the amount of sail needed. If high winds are expected, it is best to reef or decrease sail area at the dock than forced to...
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www.sailingusa.info/points_of_sail.htm
www.sailingusa.info/points_of_sail.htm
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We all know that a sailboat keels prevent us from going sideways when we sail into the wind. Keels really do a lot more than that. They provide dynamic lift just like sails do when we are sailing on the wind. They help us go to weather.
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www.ipass.net/sailboat/tips.htm
www.ipass.net/sailboat/tips.htm
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The reason for this is quite simple: There is no such thing as the best sail shape - there are countless different "best" shapes, depending on the wind, waves, boat type & size, even weather & air temperature.
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www.wb-sails.fi/news/98_11_PerfectShape/Main.htm
www.wb-sails.fi/news/98_11_PerfectShape/Main.htm
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Unlike the confusing 'numbers based' systems, SailMaker consistently presents you with your choice of clear, accurate graphical displays to design your sail shapes by use of the mouse. Virtually unlimited numbers of shaping chords and precise digital information is always shown, giving you complete design control.
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www.sailscience.com/sailmaker.html
www.sailscience.com/sailmaker.html
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Smart Splash Sail Away Shapes by Learning Resources. Set sail for smart fun with this colorful set of 16 sailboats! A natural addition to any sand or water table, these little ships invite children to match colors and shapes while building hand-eye coordination and fine motor skills. ... For ages 2 to 5 years old. ... Click to enlarge...
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www.toys4minds.com/smart-splash-sail-away-shapes.html
www.toys4minds.com/smart-splash-sail-away-shapes.html
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Set sail for smart fun with this colorful set of 8 sailboats! A natural addition to any sand or water table, these little ships invite children to match colors and shapes while building hand-eye coordination and fine motor skills. ... ; Shapes and colors become tempting truffles!
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www.learningresources.com/product/teachers/shop+by+subj...
www.learningresources.com/product/teachers/shop+by+subject/math/nctm+standards/geometry/shapes+-+symmetry/smart+splash--174-+sail+away+shapes-.do
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Drawings of Sail marks - shapes, also animal shapes ... Sail-Marks Guide - Shapes Page 1 ... Page 1 Page 2 Page 3 Page 4 For Animal, Bird and Fish shapes click here...
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www.tradboat2.co.uk/sailmarks/shapespages/sailmarksshap...
www.tradboat2.co.uk/sailmarks/shapespages/sailmarksshapes1.htm
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Sailing - Wikipedia, the free encyclopedia
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Sailing is the art of controlling a boat with large (usually fabric) foils called sails. By changing the rigging, rudder, and sometimes the keel or centre board, a sailor manages the force of the win...
en.wikipedia.org/wiki/Sailing
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Because of the complexities involved in developing a general optimization method for sail shapes we start with a relatively simple application: we optimize the yard, camber and sheeting angles of the rig of a modern clipper ship, the Maltese Falcon (¯gure 1), for upwind performance in moderate winds.
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syr.stanford.edu/CTRResearchBriefTyler.pdf
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