variable-pitch fan

  • 1Fan (mechanical) — A mechanical fan is an electrically powered device used to produce an airflow for the purpose of creature comfort (particularly in the heat), ventilation, exhaust, or any other gaseous transport.Mechanically, a fan can be any revolving vane or… …

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  • 2Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… …

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  • 3Air Fan — Pays  France Langue Français Périodicité Mensuel Format A4 …

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  • 4jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …

    Universalium

  • 5Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …

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  • 6Compressor map — Each compressor (or fan) in a gas turbine engine has an operating map. Complete maps are either based on compressor rig test results or are predicted by a special computer program. Alternatively the map of a similar compressor can be suitably… …

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  • 7Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… …

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  • 8NOTAR — MD Explorer (German police) NOTAR is the name of a helicopter anti torque system which replaces the use of a tail rotor. Developed by McDonnell Douglas Helicopter Systems (through their acquisition of Hughes Helicopters), the name is an acronym… …

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  • 9M45SD-02 — The M45SD 02 was a derivative of the Rolls Royce/SNECMA M45H 01 turbofan, designed to demonstrate ultra quiet engine technologies, needed for STOL aircraft operating from city centre airports. A geared, variable pitch, fan replaced the first… …

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  • 10General Electric GE36 — The General Electric GE36 engine was an experimental aircraft engine, a hybrid between a turbofan and a turboprop, known as an Unducted Fan (UDF) or Propfan. The GE36 was developed by General Electric Aircraft Engines.A General Electric F404… …

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