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The Leonardo AW609, formerly the AgustaWestland AW609, and originally the Bell-Agusta BA609, is a twin-engined tiltrotor VTOL aircraft with an overall configuration similar to that of the Bell Boeing V-22 Osprey. It is capable of landing vertically like a helicopter while having a range and speed in excess of conventional rotorcraft.
Two companies were involved in the research and proposing designs: Bell Helicopter and Boeing Vertol. The focus was on tilt-rotor pods, integration of the tilting rotors with the wings and fuselage of the aircraft, and studying the airflow as the rotors tilted. Tilt rotors with fixed rotors and with folding rotors were investigated.
Bell-Boeing V-22 Osprey, the only crewed tiltrotor in production to date. A tiltrotor is a type of vertical takeoff and landing (VTOL) aircraft that convert from vertical to horizontal flight by rotating propellers or ducted fans from horizontal positions like conventional aircraft propellers to vertical like a helicopter's rotors.
Bell Agusta Aerospace Company (BAAC) was a joint venture formed in 1998 by Bell Helicopter and Agusta (now AgustaWestland), who collaborated on a variety of products dating back to 1952. The joint venture was dissolved in 2011, when AgustaWestland took full ownership of the project, renaming it as the AgustaWestland Tilt-Rotor Company (AWTRC).
Bell developed its model D-322 as a quad tiltrotor concept in 1979. The Bell Boeing team disclosed a Quad TiltRotor design in 1999 which the companies had been investigating during the previous two years. The design was for a C-130-size V/STOL transport for the US Army's Future Transport Rotorcraft program and would have 50% commonality with ...
Around 2005 [13] –2010, [14] Bell and Boeing teamed up again to perform a conceptual study of a larger Quad TiltRotor (QTR) for the US Army's Joint Heavy Lift (JHL) program. The QTR is a larger, four rotor version of the V-22 with two tandem wings sets of fixed wings and four tilting rotors.
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.
Bell 65 ATV ; Bell/Agusta BA609 (tiltrotor), presently known as AgustaWestland AW609; Bell Boeing Quad TiltRotor (proposal) Bell Boeing V-22 Osprey ; Bell Eagle Eye (tiltrotor UAV) Bell V-280 Valor ; Bell X-14 (vectored thrust) Bell X-22 ; Bell XV-3 (first tiltrotor) Bell XV-15 (tiltrotor) Bensen B-10 (ducted fan)