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ducted-fan configuration

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  • Ducted fan — Bell X 22 on the tarmac A ducted fan is a propulsion arrangement whereby a fan, which is a type of propeller, is mounted within a cylindrical shroud or duct. The duct reduces losses in thrust from the tip vortices of the fan, and varying the… …   Wikipedia

  • Turbofan — [ 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… …   Wikipedia

  • Helicopter 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 …   Wikipedia

  • Miniature UAV — An EMT Aladin of the German Army A miniature UAV or Small UAV (SUAV),[1] is an unmanned aerial vehicle small enough to be man portable. Miniature UAVs range from micro air vehicles (MAVs) that can be carried by an infantryman, to man portable… …   Wikipedia

  • Miniature UAVs — are UAVs ranging from micro air vehicles (MAVs) that can be carried by an infantryman, to man portable UAVs that can be carried and launched like an infantry anti aircraft missile.MAVs MesicoptersThe notion that small, even very small, UAVs might …   Wikipedia

  • Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …   Wikipedia

  • Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …   Wikipedia

  • Coandă-1910 — Coandă 1910 …   Wikipedia

  • List of fictional aircraft — Full scale Mig 31 Firefox model used in the film Firefox parked at Van Nuys Airport, California in May 1982 This is a list of fictional aircraft, including fixed wing, rotary wing, and lighter than air vehicles. These vehicles are either the… …   Wikipedia

  • Rotorcraft — A rotorcraft is a heavier than air flying machine that uses lift generated by wings that revolve around a mast called rotor blades. Several rotor blades mounted to a single mast is referred to as a rotor. Rotorcraft may also include the use of… …   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

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