Sail Shape
Sail shape refers to the curvature and configuration of a sail when it is filled with wind. The shape of a sail is critical to its performance, as it determines how efficiently it can convert wind energy into forward motion. A sail with a good shape will have a smooth, aerodynamic profile that generates lift and reduces drag. Sail shape can be adjusted by tensioning the sail's control lines, such as the halyard, sheet, and outhaul. Proper sail shape is also affected by wind speed and direction, boat speed and angle of heel, and sea state. Sailors must constantly monitor and adjust sail shape to optimize performance and maintain control of the vessel.
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