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As the Atlas V core is designed around RP-1 fuel and cannot be retrofitted to use a methane-fueled engine, a new first stage is being developed. This booster will have the same first-stage tankage diameter as the Delta IV and will be powered by two 2,400 kN (540,000 lb f ) thrust BE-4 engines.
Atlas was a liquid propellant rocket burning RP-1 kerosene fuel with liquid oxygen in three engines configured in an unusual "stage-and-a-half" or "parallel staging" design: two outboard booster engines were jettisoned along with supporting structures during ascent, while the center sustainer engine, propellant tanks and other structural ...
The Atlas V can fly in multiple configurations, but only one affects the way Centaur integrates with the booster and fairing: the 5.4 m (18 ft) diameter Atlas V payload fairing attaches to the booster and encapsulates the upper stage and payload, routing fairing-induced aerodynamic loads into the booster. If the 4 m (13 ft) diameter payload ...
Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] ... Atlas V: Retired Booster: HTPB: Solid fuel 275: 1,270,000 [69] AJ-260-2 USA
Atlas is a name for a family of modern inline piston engines for trucks from General Motors, used in the GMT355 and GMT360 platforms. The series debuted in 2002 with the Oldsmobile Bravada, and is also used in the Buick Rainier, the Chevrolet TrailBlazer and Colorado, the GMC Envoy and Canyon, the Hummer H3, Isuzu Ascender and i-370, and the Saab 9-7X.
The engine has flown successfully on all six Atlas III flights and on 99 Atlas V flights, with just a single non-critical failure in March 2016. Atlas V is being phased out due to the national security implications of reliance on the Russian-built engine, [1] which became a concern after the Russian annexation of Crimea.
This is a list of launches made by the Atlas rocket family, derived from the SM-65 Atlas ICBM. The currently operational variant, Atlas V, has flown 81 consecutive missions without failure between October 2007 and January 2022. Due to the size of the list, it has been split by decade: List of Atlas launches (1957–1959)
In March 2015, an Atlas V rocket carried NASA's Magnetospheric Multiscale Mission spacecraft, [108] [109] and a Delta IV rocket orbited the GPS IIF-9 satellite on behalf of the U.S. Air Force. [110] [111] The U.S. Air Force's X-37B spaceplane was carried by an Atlas V rocket in May 2015, [112] and a Delta IV orbited the WGS-7 satellite in July ...