SLS Stage A

SLS Stage A

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Model: SLS Stage A. Gross Mass: 59,000 kg (130,000 lb). Empty Mass: 6,000 kg (13,200 lb). Thrust (vac): 889.325 kN (199,928 lbf). Isp: 424 sec. Burn time: 250 sec. Propellants: Lox/LH2. Diameter: 4.28 m (14.04 ft). Span: 4.28 m (14.04 ft). Length: 15.00 m (49.00 ft). Country: USA. No Engines: 1. Motor: J-2. Status: Study 1961.

Smallest Lox/LH2 stage planned for SLS series. Empty mass estimated. Sized for rail transport within USA.

Used on Launch Vehicles:

SLS.

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