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ramjet-driven rotor

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  • 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

  • jet 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

  • Aircraft — An aircraft is a vehicle which is able to fly through the Earth s atmosphere or through any other atmosphere. Rocket vehicles are not aircraft if they are not supported by the surrounding air. All the human activity which surrounds aircraft is… …   Wikipedia

  • Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …   Wikipedia

  • Nederlandse Helikopter Industrie (NHI) — The Nederlandse Helikopter Industrie (NHI) was a Dutch helicopter manufacturer. It was founded in 1955 as a commercial successor of the Stichting voor de Ontwikkeling en Bouw van een Experimenteel Hefschroefvliegtuig (SOBEH the Foundation for… …   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

  • NHI H-3 Kolibrie — The NHI H 3 Kolibri (Dutch for Hummingbird ) was a small helicopter developed in the Netherlands in the 1950s by Nederlandse Helikopter Industrie. Contents 1 Design 2 Production 3 Commercial failure 4 …   Wikipedia

  • List of military aircraft of Germany by manufacturer — AEG= * AEG Helicopter, helicopter observation platform, 1933 * AEG Rumpelstilzchen, 1945 project anti tank missile for air and ground use AGO, Aerowerke Gustav Otto * AO 192, Kurier (Courier) light liaison * AO 225 Heavy fighter project Akaflieg… …   Wikipedia

  • Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …   Wikipedia

  • military aircraft — Introduction       any type of aircraft that has been adapted for military use.       Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …   Universalium

  • Aircraft engine — An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always a type of lightweight internal combustion engine. This article is an overview of the basic types of aircraft engines and the design concepts employed in …   Wikipedia

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