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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.
Boeing Vertol proposed its Model 222 (not to be confused with the later Bell 222 conventional helicopter), in which the engines were in fixed pods at the end of each wing, and a small, rotating pod with the rotor was slightly closer to the fuselage on the wing. This design simplified the engine design by keeping it horizontal at all times ...
The FAA states "The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve ."
A long range precision munition for the Army's aircraft will begin its program of design and development. In the interim, the Army is evaluating the Spike 18–mile range non-line of sight missile on its Boeing AH-64E Apache attack helicopters. [105] On 5 December 2022, the Army announced that the V-280 Valor was selected by the program. [106]
It was the first light commercial twin-turbine helicopter developed in the United States. [ 4 ] The Bell 222 incorporated a number of advanced features, including dual hydraulic and electrical systems, sponsons housing the retractable landing gear , and the Noda Matic vibration reduction system developed for the Bell 214ST .
One of the sole remaining survivors of the Pearl Harbor attack that launched World War II disobeyed orders and fought back. Now 100 years old, he continues to share his stories.
Over a foot of snow fell in parts of the Northeast over Thanksgiving, and more snow is on the way Saturday and through the rest of the weekend in parts of the Upper Great lakes through the ...
Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.