Small-boat sailing; an explanation of the management of small yachts, half-decked and open sailing-boats of various rigs; sailing on sea and on river; cruising, etc (1902)
Knight, Edward Frederick, 1852- [from old catalog] · New York, E. P. Dutton & co. · leaf 35
ented thedeck-plan of a boatsailing close-hauled.The direction of thewind is shown by thearrow W. AB is thesail, so trimmed asjust to hold the wind without shaking. Now it canbe mathematically demonstrated that the wind, so faras it affects the motion of the vessel, exerts a horizon-tal pressure on… … Fig. 2 CLOSE-HAULED 19 propel her in a forward direction. The old friendof our youthful studies, the parallelogram of forces,enables us to resolve the force AC into its twocomponent forces, and to estimate their relativemagnitudes. Let GF be the line of the keel. FromC draw CD perpendicular to GF,…
Sailing
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