The Symmetry of Sailing: The Physics of Sailing for Yachtsmen
Sheridan House, Inc., 1996 - 268 pàgines
Here is a detailed study of the motive forces of a yacht written in clear and accessible terms. The author has the rare gift of enabling his readers to relate the nautical phenomena with which they are so familiar to a scientific explanation of how and why these occur. The first part covers downwind sailing, upwind sailing, sails, the hull, and the dynamic motion of a yacht. Part Two is devoted to more mathematical explanations of the same phenomena for those requiring a more scientific approach.
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acceleration acting added angle of attack apparent wind aspect assumed balance boat speed boundary layer calculated called centre chapter chord circulation coefficient component constant contribution corresponds course crest curve depends determined diagram direction displacement distance distribution downwind drag driving edge effect energy equal equation fact fixed flow fluid foil forward frequency friction given gives going graph gravity greater heel height horizontal hull important incidence increase keel knots leeway length less lift lift force mass mast maximum means measured moment motion moving normal performance perpendicular pitching position possible pressure produced proportional quantities ratio reduced region resistance righting roll rotation rudder sail sail force shape shown shown in fig shows side simply situation square stability surface trailing turbulence turning velocity vertical vortex wave wind speed windward wing yacht