hydrofoil theory

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• Airfoil — An airfoil (in American English) or aerofoil (in British English) is the shape of a wing or blade (of a propeller, rotor or turbine) or sail as seen in cross section. An airfoil shaped body moved through a fluid produces a force perpendicular to… …   Wikipedia

• logistics — /loh jis tiks, leuh /, n. (used with a sing. or pl. v.) 1. the branch of military science and operations dealing with the procurement, supply, and maintenance of equipment, with the movement, evacuation, and hospitalization of personnel, with the …   Universalium

• Sailing faster than the wind — Devices that are powered by sails (such as sailboats, iceboats and sand yachts) can sail (that is, advance over the surface) faster than the wind.[1] Such devices cannot do this when sailing dead downwind using simple square sails that are set… …   Wikipedia

• Catamaran — A catamaran (From Tamil kattumaram ) [cite web |url=http://www.etymonline.com/index.php?term=catamaran|title=catamaran |accessdate=2008 09 04 |format= |work=Online Etymology Dictionary ] is a type of multihulled boat or ship consisting of two… …   Wikipedia

• List of James Bond gadgets — A popular element of the James Bond franchise is the exotic equipment and vehicles he is assigned on his missions, which often prove to be critically useful.The original books and early adaptations had only relatively minimal pieces like the… …   Wikipedia

• Bus bunching — Two buses on the same route in the same location In public transport bus bunching, clumping, or platooning refers to a group of two or more transit vehicles along the same route, such as buses or trains, which are scheduled to be evenly spaced,… …   Wikipedia

• Unicycle — A unicycle is a human powered, single track vehicle with one wheel. Unicycles resemble bicycles, but are less complex. A Torker unicycle Contents 1 History …   Wikipedia

• Gas turbine — Microturbine redirects here. For turbines in electricity, see Small wind turbine. For turbines driven by the flow of gas, see Turbine. A typical axial flow gas turbine turbojet, the J85, sectioned for display. Flow is left to right, multistage… …   Wikipedia

• Proa — A proa or prau is a type of multihull sailing vessel. While the word proa just means boat in its native language, the term proa in Western languages has come to describe a vessel consisting of two (usually) unequal length parallel hulls, sailed… …   Wikipedia

• Hovercraft — A hovercraft, or air cushion vehicle (ACV), is an amphibious vehicle or craft, designed to travel over any sufficiently smooth surface supported by a cushion of slowly moving, high pressure air, ejected downwards against the surface below, and… …   Wikipedia

• Drag coefficient — In fluid dynamics, the drag coefficient (commonly denoted as: cd, cx or cw) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment such as air or water. It is used in the drag equation,… …   Wikipedia