Centaur V1

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Centaur V1

Part of Centaur stage series

LOx/LH2 propellant rocket stage. Single-engine Centaur for Atlas V. Centaur is powered by either one or two Pratt & Whitney RL10A-4-2 turbopump-fed engines burning liquid oxygen and liquid hydrogen. For typical, high-energy mission applications, Centaur will be configured with one RL10 engine. Guidance, tank pressurization, and propellant usage controls for both Atlas and Centaur phases are provided by the inertial navigation unit (INU) located on the Centaur forward equipment module.

Status: Active. Thrust: 99.19 kN (22,300 lbf). Gross mass: 22,825 kg (50,320 lb). Unfuelled mass: 2,026 kg (4,466 lb). Specific impulse: 451 s. Burn time: 894 s. Height: 12.68 m (41.60 ft). Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft).

Family: Space Tugs. Country: USA. Engines: RL-10A-4-2. Launch Vehicles: Atlas V 401, Atlas V 521, Atlas V 431, Atlas V 411, Atlas V 501. Propellants: Lox/LH2.

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