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Head – The head is the upper edge of the sail, and is attached at the throat and peak to a gaff, yard, or sprit. [7] For a triangular sail the head refers to the topmost corner. Leech – The aft (back) edge of a fore-and-aft sail is called the leech (also spelled leach). [8] The leech is either side edge of a symmetrical sail—triangular or ...
Edges – The top of all sails is called the head, the leading edge is called the luff on fore-and-aft sails [37] and on windward leech symmetrical sails, the trailing edge is the leech, and the bottom edge is the foot. The head is attached at the throat and peak to a gaff, yard, or sprit. [38] For a triangular sail the head refers to the ...
Sail detail at the tack (lower corner of the leading edge) of a mainsail, showing bolt ropes in the luff and foot.Bolt ropes may extend to other parts of a sail, as well.. A bolt rope [1] (Variants: "bolt-rope" and "boltrope", French: ralingue, Spanish: relinga, [2] Old Norse: *rár-línk, comprising rár genitive of rá "rope" and línk "edge of a sail "), is the rope that is sewn at the ...
[6] [9] On a given sail, the net aerodynamic force on the sail is located approximately at the maximum draught intersecting the camber of the sail and passing through a plane intersecting the centre of effort, normal to the leading edge (luff), roughly perpendicular to the chord of the sail (a straight line between the leading edge (luff) and ...
A staysail (pronounced stays'l) is a fore-and-aft sail whose leading edge is hanked to a stay. A headsail is any sail forward of the foremost mast on a sailing boat. It is usually a fore-and-aft sail, but on older sailing ships would include a square-sail on a bowsprit. [11]
AAW An acronym for anti-aircraft warfare. aback (of a sail) Filled by the wind on the opposite side to the one normally used to move the vessel forward.On a square-rigged ship, any of the square sails can be braced round to be aback, the purpose of which may be to reduce speed (such as when a ship-of-the-line is keeping station with others), to heave to, or to assist moving the ship's head ...
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"Luffing" can also be used to slow or stop a sailboat in a controlled manner. To offset luffing at the top of the sail one should move the sail "lead" forward until the point where the "telltales" break evenly. Luffing is also a process of power kites when they stall and the front (or leading) edge falls downwards.