Spacemaster-2
Gross Mass: 362,812 kg (799,863 lb). Empty Mass: 80,000 kg (176,000 lb). Thrust (vac): 4,549.049 kN (1,022,667 lbf). Isp: 459 sec. Burn time: 276 sec. Propellants: Lox/LH2. Isp(sl): 359 sec. Diameter: 6.71 m (22.01 ft). Span: 32.62 m (107.02 ft). Length: 48.78 m (160.03 ft). Country: USA. No Engines: 2. Engine: SSME Study. Status: Study 1967. First Flight: 1978.

Delta Winged, Cross Range 2,742 km


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