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Sails are classified as "triangular sails", "quadrilateral fore-and-aft sails" (gaff-rigged, etc.), and "square sails". [38] The top of a triangular sail, the head , is raised by a halyard , The forward lower corner of the sail, the tack , is shackled to a fixed point on the boat in a manner to allow pivoting about that point—either on a mast ...
Running rigging is the rigging of a sailing vessel that is used for raising, lowering, shaping and controlling the sails on a sailing vessel—as opposed to the standing rigging, which supports the mast and bowsprit. Running rigging varies between vessels that are rigged fore and aft and those that are square-rigged.
A square-rigged sailing vessel carries both fore-and-aft sails, the jibs, staysails and mizzen sail, and square sails. Their naming conventions are: [7] For jibs, attached to a bow sprit, (from forward, aftwards): flying, outer, and inner jibs, and the fore-topmast staysail, forestaysail, and foresail.
Square rig is a generic type of sail and rigging arrangement in which the primary driving sails are carried on horizontal spars which are perpendicular, or square, to the keel of the vessel and to the masts. These spars are called yards and their tips, outside the lifts, are called the yardarms. [1] A ship mainly rigged so is called a square ...
On large sailing ships a spritsail is a square-rigged sail carried on a yard below the bowsprit. [1] [2] One of the earliest depictions of a spritsail is carved on Borobudur ship carving in Borobudur temple, Indonesia. In some languages (such as German) it is known as a "blind" (German, (eine) Blinde) because it effectively blocks forward ...
For instance, if a vessel sails alternately in the directions 45° from the downwind direction, it will sail √ 2 (≈1.4) times farther than it would if it sailed dead downwind. However, as long as it can sail faster than 1.4 times its dead downwind speed, the indirect route will allow it to arrive at a chosen point sooner. [14] [15]
A fore-and-aft topsail may be carried above the upper or only spanker, and is called the gaff sail. To stop a full-rigged ship, except when running directly down wind, the sails of the foremast are oriented in the direction perpendicular to those of the mainmast. Thus, the masts cancel out of their push on the ship. [5]
A raffee sail is a triangular topsail carried aboard certain sailing ships. Originally used in ancient Rome to maneuver ships at sea, [1] the raffee was eventually implemented as a downwind sail set below a square-rigged yard to fill in areas needed for light airs. In later pilot schooners, it was a triangular sail set above a yard from the ...