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The primary advantage of adjusting the cunningham is the speed and ease with which the luff tension can be changed while sailing or racing. By either hauling or easing the line, the tension in the luff can be changed, thereby shifting the point of maximum draft of the sail forward or aft respectively, optimizing sail shape and thus performance ...
Sail components include the features that define a sail's shape and function, plus its constituent parts from which it is manufactured. A sail may be classified in a variety of ways, including by its orientation to the vessel (e.g. fore-and-aft) and its shape, (e.g. (a)symmetrical, triangular, quadrilateral, etc.).
The RS200 utilises a single line asymmetrical spinnaker system and low sheet loads on the sail controls. It can be sailed successfully by pairs of sailors with combined weights of between 16 stone (100 kg) and 26 stone (170 kg). Both sailors hike; there are no trapezes or wings.
The first twin-keeled sailing vessel is widely believed to be the Bluebird [2] that was built by Lord Riverdale and launched in 1924. Despite being the first twin-keeled yacht, and being built without much in the way of guiding engineering and science, it was quite radical as it had twin rudders (as racers have today), and a long narrow hull with a pointed, or "canoe," stern.
The most attractive, durable polytarp sails are usually made from a heavier white polytarp material. Generally, polysails are made from white ultraviolet-protected (UV-protected) material that is 12–16 mils (0.30–0.40 mm) thick (1 mil is .001 inches) and weighs about 6–8 ounces per square yard (200-270 grams per square meter) —about twice the weight and thickness of the common colored ...
Gunter rigged Lobster 12.5. Gunter rig is a configuration of sail and spars used in sailing. It is a fore and aft sail set abaft (behind) the mast. The lower half of the luff (front) of the sail is attached to the mast, and the upper half is fastened to a spar which is approximately vertical and reaches above the top of the mast.
Rigging of a sailing frigate. A sailing vessel's rig is its arrangement of masts, sails and rigging. [1] Examples include a schooner rig, cutter rig, junk rig, etc. [2] A rig may be broadly categorized as "fore-and-aft", "square", or a combination of both. Within the fore-and-aft category there is a variety of triangular and quadrilateral sail ...
The Keying was a Chinese ship that employed a junk sailing rig. Scale model of a Tagalog outrigger ship with junk sails from Manila, 19th century. The junk rig, also known as the Chinese lugsail, Chinese balanced lug sail, or sampan rig, is a type of sail rig in which rigid members, called battens, span the full width of the sail and extend the sail forward of the mast.