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  2. Sail - Wikipedia

    en.wikipedia.org/wiki/Sail

    A sail is a tensile structure, which is made from fabric or other membrane materials, that uses wind power to propel sailing craft, including sailing ships, sailboats, windsurfers, ice boats, and even sail-powered land vehicles. Sails may be made from a combination of woven materials—including canvas or polyester cloth, laminated membranes or ...

  3. Sailing - Wikipedia

    en.wikipedia.org/wiki/Sailing

    Throughout history, sailing was a key form of propulsion that allowed for greater mobility than travel over land. This greater mobility increased capacity for exploration, trade, transport, warfare, and fishing, especially when compared to overland options.

  4. Steel Authority of India Limited - Wikipedia

    en.wikipedia.org/wiki/Steel_Authority_of_India...

    Steel Authority of India Limited (SAIL) is an Indian public sector steel manufacturing corporation based in New Delhi. It is the largest government -owned steel producer, [ 3 ] with an annual production of 18.29 million metric tons. [ 4 ]

  5. Sail components - Wikipedia

    en.wikipedia.org/wiki/Sail_components

    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.).

  6. Point of sail - Wikipedia

    en.wikipedia.org/wiki/Point_of_sail

    Points of sail and approximate apparent wind for a conventional sailboat on starboard tack. A point of sail is a sailing craft's direction of travel under sail in relation to the true wind direction over the surface. The principal points of sail roughly correspond to 45° segments of a circle, starting with 0° directly into the wind.

  7. Sailboat - Wikipedia

    en.wikipedia.org/wiki/Sailboat

    Catboat is a charming and distinctive sailboat featuring a single mast with a single large sail, known as a gaff-rigged sail, and a broad beam that ensures stability. This type of vessel, named after the "cat" tackle used in sailing, has a rich history dating back to the 19th century in the coastal regions of the United States, particularly New ...

  8. Windmill sail - Wikipedia

    en.wikipedia.org/wiki/Windmill_sail

    Medieval sails could be constructed with or without outer sailbars. Post-medieval mill sails have a lattice framework over which the sailcloth is spread. There are various "reefs" for the different spread of sails; these are full sail, dagger point, sword point and first reef. The mill must be stopped in order to adjust the reefing of the sail. [1]

  9. Sailing (sport) - Wikipedia

    en.wikipedia.org/wiki/Sailing_(sport)

    The sport of sailing involves a variety of competitive sailing formats that are sanctioned through various sailing federations and yacht clubs. Racing disciplines include matches within a fleet of sailing craft, between a pair thereof or among teams. Additionally, there are specialized competitions that include setting speed records.