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The square sail, deployed via a spinning motion using 0.5-kilogram (1.1 lb) tip masses (key item 1 in figure at right), is 20 m (66 ft) on the diagonal and is made of a 7.5-micrometre (0.00030 in) thick sheet of polyimide (key item 3 in figure at right). The polyimide sheet had a mass of about 10 grams per square metre (0.033 oz/sq ft ...
"Come Sail Away" is a song by American pop-rock group Styx, written and sung by singer and songwriter Dennis DeYoung and featured on the band's seventh album The Grand Illusion (1977). Upon its release as the lead single from the album, "Come Sail Away" peaked at #8 in January 1978 on the Billboard Hot 100 , and helped The Grand Illusion ...
2000 (dinghy) The 2000 (formerly the Laser 2000) is a performance sailing dinghy designed by Phil Morrison and currently sold by RS Sailing. It combines a traditional GRP hull and foam sandwich deck moulding with a modern asymmetric rig including a furling jib, reefing mainsail and single line gennaker hoist system.
General. A daggerboard is a removable vertical keel that is inserted through a "trunk" in the center of a vessel's hull, usually amidships. Daggerboards are usually found in small sailing craft such as day sailers, which are easily handled by a single person. Daggerboards are not usually ballasted but are locked in place by a clip or pin.
The fission sail is a type of spacecraft propulsion proposed by Robert Forward that uses fission fragments to propel a large solar sail -like craft. It is similar in concept to the fission-fragment rocket in that the fission by-products are directly harnessed as working mass, and differs primarily in the way that the fragments are used for thrust.
470 (dinghy) The 470 (Four-Seventy) is a double-handed monohull planing dinghy with a centreboard, Bermuda rig, and centre sheeting. Equipped with a spinnaker, trapeze and a large sail-area-to-weight ratio, it is designed to plane easily, and good teamwork is necessary to sail it well. The name comes from the boat's length of 470 centimetres (4 ...