vertical shaft propeller

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• Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   Wikipedia

• shaft — shaftless, adj. shaftlike, adj. /shaft, shahft/, n. 1. a long pole forming the body of various weapons, as lances, halberds, or arrows. 2. something directed or barbed as in sharp attack: shafts of sarcasm. 3. a ray or beam: a shaft of sunlight.… …   Universalium

• shaft — [[t]ʃæft, ʃɑft[/t]] n. 1) a long pole forming the body of various weapons, as lances or arrows 2) something directed at someone or something in sharp attack: shafts of sarcasm[/ex] 3) a ray or beam 4) a long handle serving to balance or… …   From formal English to slang

• shaft — [[t]ʃɑ͟ːft, ʃæ̱ft[/t]] shafts 1) N COUNT: oft n N A shaft is a long vertical passage, for example for a lift. He was found dead at the bottom of a lift shaft. ...old mine shafts. 2) N COUNT: usu n N In a machine, a shaft is a rod that turns round …   English dictionary

• Fastest propeller-driven aircraft — A number of aircraft have claimed to be the fastest propeller driven aircraft. This article presents the current record holders for several sub classes of propeller driven aircracft that hold recognized, documented speed records. Fédération… …   Wikipedia

• Paddle shaft — Paddle Pad dle, n. [See {Paddle}, v. i.] 1. An implement with a broad blade, which is used without a fixed fulcrum in propelling and steering canoes and boats. [1913 Webster] 2. The broad part of a paddle, with which the stroke is made; hence,… …   The Collaborative International Dictionary of English

• turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

• energy conversion — ▪ technology Introduction       the transformation of energy from forms provided by nature to forms that can be used by humans.       Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …   Universalium

• Azimuth thruster — An Azimuth thruster is a configuration of ship propellers placed in pods that can be rotated in any horizontal direction, making a rudder unnecessary. These give ships better maneuverability than a fixed propeller and rudder system. Primary… …   Wikipedia

• Anemometer — A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson Cup ty …   Wikipedia

• Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …   Wikipedia