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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 ...
Rigging comprises the system of ropes, cables and chains, which support and control a sailing ship or sail boat's masts and sails. Standing rigging is the fixed rigging that supports masts including shrouds and stays. Running rigging is rigging which adjusts the position of the vessel's sails and spars including halyards, braces, sheets and ...
Maltese Falcon masts. The DynaRig is a conceptualization of a square-rigged form of rigging, designed in the 1960s by the German engineer Wilhelm Prölß.While having the appearance of the rigging of a 19th-century clipper ship, it was not actually implemented on a sailing vessel until several decades after its design because of a lack of adequate construction materials.
Square rig uses square sails as the major sails on a vessel. It is common for square rigged vessels to include some fore and aft sails, such as staysails. A mast may be referred to as a square rigged mast where square sails predominate – this would differentiate from other masts on the same vessel being fore-and-aft rigged, for example in a ...
Whereas 20th-century square-rigged vessels were constructed of steel with steel standing rigging, prior vessels used wood masts with hemp-fiber standing rigging. As rigs became taller by the end of the 19th century, masts relied more heavily on successive spars, stepped one atop the other to form the whole, from bottom to top: the lower mast ...
A term peculiarly appropriated to the yards and their sails. Thus, when the yards hang at right angles with the mast they are said to be 'square by the lifts;' when perpendicular to the ship's length, they are 'square by the braces;' but when they lie in a direction perpendicular to the plane of the keel, they are 'square by the lifts and braces.'
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