The best way to recognize an approaching windshift during the closing minutes of a prestart is to observe other boats upwind on the course, but if you’re the only class on the racecourse, or the first ...
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How sailboats move against the wind, the physics of lift, keels, and tacking explained
Sailing upwind seems impossible, yet it shaped exploration, trade, and naval power for centuries. This breaks down the physics of lift, hull resistance, keels, and tacking to show how sailors learned ...
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