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In October 2021, Bell and Rolls-Royce jointly announced that the V-280 Valor powerplant would switch from the T64 turboshaft used on the prototype to a derivative of the Rolls-Royce T406/AE 1107C used on the Osprey, which would be named the AE 1107F. At the same time as increasing power from 5,000 to 7,000 horsepower, the AE 1107 is a known ...
V-22 in flight V-280 in flight. Bell XV-3; Bell XV-15; Bell Pointer; Bell V-247 Vigilant – currently in development; Bell V-280 Valor – currently in development, first flown 2017; V-22 Osprey – with Boeing BDS; TR918 Eagle Eye UAV; Quad TiltRotor – with Boeing BDS; Bell BAT (1984 tiltrotor project for LHX programme – not built)
On 11 August 2014, the Army informed the Sikorsky-Boeing and Bell-Lockheed teams that they had chosen the SB-1 Defiant and V-280 Valor to continue with the JMR demonstration program. The aircraft designs show the Army is pursuing both coaxial and tilt-rotor designs, and preferring larger and established contractors over the smaller entries.
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.
Development on the Future Long-Range Assault Aircraft (FLRAA) program and its winner, the Bell V-280 Valor, is continuing. [27] Reactions to the cancellation were mixed, noting that $9 billion had been spent over two decades on multiple cancelled programs, resulting in no replacement, and leaving the Army to rely on existing types to fill the role.
This page was last edited on 9 September 2013, at 16:51 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
On December 5, 2022, the Army selected the Bell Textron V-280 Valor powered by Rolls-Royce engines for the FLRAA contract award. [1] The award was protested by the Sikorsky-Boeing team, [ 2 ] however the Government Accountability Office denied the protest.
This is a timeline of Roman history, comprising important legal and territorial changes and political events in the Roman Kingdom and Republic and the Roman and Byzantine Empires. To read about the background of these events, see Ancient Rome and History of the Byzantine Empire .