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[7] [8] The contract was awarded to Bell Helicopter, which is teaming with Boeing's Phantom Works. The QTR study is one of five designs; one of the five is also a Boeing program, an advanced version of the CH-47 Chinook. [1] During the initial baseline design study, Bell's engineers were designing the wing, engine and rotor, while the Boeing ...
The Rolls-Royce T406 (company designation AE 1107) is a turboshaft engine developed by Allison Engine Company (now part of Rolls-Royce) that powers the Bell Boeing V-22 Osprey tiltrotor. The engine delivers 6,000 shp (4,470 kW).
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.
In October 1942, The Bell-built twin-jet P-59 Airacomet was the first American jet aircraft to fly. Unfortunately, performance was below expectations, roughly on par with contemporaneous propeller-driven aircraft, an outcome generally attributed to the extremely short development timeframe required by the USAAF, as well as the intense secrecy ...
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)
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.
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In the Bell design, Bell Model 301, the whole wingtip pod rotated between horizontal and vertical, with the engine and rotor assembly fixed together within the pod. This simplified the power transmission, but it had more complicated requirements for the engine design and was probably slightly heavier than the Boeing proposal.