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SLS Stage B
LOx/LH2 propellant rocket stage. Translunar injection stage for Project Lunex. Masses estimated based on optimum apportioning of B+C stage total masses.

AKA: SLS 2. Status: Study 1961. Thrust: 1,778.65 kN (399,857 lbf). Gross mass: 160,000 kg (350,000 lb). Unfuelled mass: 11,200 kg (24,600 lb). Specific impulse: 424 s. Burn time: 345 s. Height: 25.00 m (82.00 ft). Diameter: 7.62 m (24.99 ft). Span: 7.62 m (24.99 ft).

No Engines: 2.

Country: USA. Engines: J-2. Launch Vehicles: SLS BC-2720, SLS AB-825. Propellants: Lox/LH2.
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