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Download as PDF; Printable version; ... The sail is sheeted in for all three points of sail. [5] ... on different points of sail, in diagrams similar to these: ...
Sailing on a course as close to the wind as possible—approximately 45°—is termed beating, a point of sail when the sails are close-hauled. At 90° off the wind, a craft is on a beam reach. The point of sail between beating and a beam reach is called a close reach. At 135° off the wind, a craft is on a broad reach.
Download as PDF; Printable version; ... Points of sail ... True wind (V T) is the same everywhere in the diagram, whereas boat velocity (V B) ...
Download as PDF; Printable version; ... Sailing is the use of wind to provide the primary power via sail(s) ... Point of sail; Polar diagram (sailing)
Points of sail: the shaded area is the "no-sail" zone. Beating to windward on short (P1), medium (P2), and long (P3) tacks, each with a progressively wider corridor over the water. Sails are limited in how close to the direction of the wind they can power a sailing craft. The area towards the wind defining those limits is called the "no-sail zone".
The points of sail clarify the realities of sailing into the wind. One of the points of sail is "Head to Wind." A boat turns through this point on each tack. It is the point at which the boat is neither on port tack or starboard tack and is headed directly into the wind. However, a boat cannot sail directly into the wind, thus if it comes head ...
A sail plan is a drawing of a sailing craft, viewed from the side, depicting its sails, the spars that carry them and some of the rigging that supports the rig. [1] By extension, "sail plan" describes the arrangement of sails on a craft.
On points of sail where it is possible to align the leading edge of the sail with the apparent wind, the sail may act as an airfoil, generating propulsive force as air passes along its surface, just as an airplane wing generates lift, which predominates over aerodynamic drag retarding forward motion. The more that the angle of attack diverges ...