drag sail
81Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
82Anchor — For other uses, see Anchor (disambiguation). Ploudalmézeau, anchor of Amoco Cadiz An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or… …
83Planing (sailing) — ).Planing allows the boat to go faster by using its speed and hull shape to lift the front part of the hull out of the water. The boat travels on top of the water, greatly reducing the hydrodynamic drag on the vessel. The increase in aerodynamic… …
84Rudder — A rudder is a device used to steer a ship, boat, submarine, hovercraft, or other conveyance that move through a fluid (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw and p factor and is not the primary …
85fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
86Effort sur une voile — Exemple d effort du vent sur différents types de voile de voiliers classiques lors d une régate à Cannes en 2006. Le principe d une voile est de récupérer l énergie du vent et de la transmettre au bateau. L effet propulsif est réparti sur toute… …
87S. A. Andrée's Arctic balloon expedition of 1897 — was an ill fated effort to reach the North Pole in which all three expedition members perished. S. A. Andrée (1854 ndash;97), [Andrée, christened Salomon August, invariably went by his initials as an adult.] the first Swedish balloonist, proposed …
88kite — kite1 kiter, n. kitelike, adj. /kuyt/, n., v., kited, kiting. n. 1. a light frame covered with some thin material, to be flown in the wind at the end of a long string. 2. any of several small birds of the hawk family Accipitridae that have long,… …
89Sailboat — A sailboat or sailing boat is a boat propelled partly or entirely by sails. The term covers a variety of boats, larger than small vessels such as sailboards and smaller than sailing ships, but distinctions in size are not strictly defined and… …
90Lift (force) — For other uses, see Lift. Boeing 747 8F landing A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the …
