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The Boeing CH-47 Chinook is a tandem-rotor helicopter originally developed by American rotorcraft company Vertol and now manufactured by Boeing Defense, Space & Security.The Chinook is a heavy-lift helicopter that is among the heaviest lifting Western helicopters.
Tandem-rotor helicopters have the advantage of being able to hold more weight with shorter blades, since there are two sets. However, the rear rotor works in the aerodynamic shadow of the front rotor, which reduces its efficiency. This loss can be minimized by increasing the distance between the two rotor hubs, and by elevating one hub over the ...
The Bristol Type 192 Belvedere is a British twin-engine, tandem rotor military helicopter built by the Bristol Aeroplane Company.It was designed by Raoul Hafner for a variety of transport roles including troop transport, supply dropping and casualty evacuation.
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 December 2024. Military transport tiltrotor "V-22" redirects here. For other uses, see V22 (disambiguation). V-22 Osprey A MV-22 being used during a MAGTF demonstration during the 2014 Miramar Air Show General information Type Tiltrotor military transport aircraft National origin United States ...
An intermeshing-rotor helicopter (or synchropter) is a helicopter with a set of two main rotors turning in opposite directions, with each rotor mast mounted with a slight angle to the other, in a transversely symmetrical manner, so that the blades intermesh without colliding.
The Sikorsky Raider X (stylized in all-caps as RAIDER X) (Sikorsky S-102 [1]) is a compound helicopter concept with two coaxial rotors and a single pusher propeller, designed by the Sikorsky Aircraft division of Lockheed Martin for the United States Army Future Attack Reconnaissance Aircraft (FARA) program. The Raider X concept was announced in ...
The Piasecki HRP Rescuer (also called Harp) is a United States tandem-rotor transport or rescue helicopter designed by Frank Piasecki and built by Piasecki Helicopter.The Piasecki PV-3 was adopted as the HRP-1 Rescuer by the United States Navy, United States Marine Corps, and United States Coast Guard. [1]
The Bell V-280 Valor is a tiltrotor aircraft being developed by Bell Helicopter for the United States Army's Future Vertical Lift (FVL) program. [2] The aircraft was officially unveiled at the 2013 Army Aviation Association of America's (AAAA) Annual Professional Forum and Exposition in Fort Worth, Texas.