Gross Mass: 10,302,000 kg.
Empty Mass: 639,000 kg. Thrust (vac): 16,384,000 kgf. Isp: 454 sec. Burn time: 263 sec. Propellants: Lox/LH2Isp(sl): 377 sec. Diameter: 21.3 m. Span: 36.7 m. Length: 54.8 m. Country: USA. No Engines: 30. CD ModuleStatus: Study 1963. Comments: Operational date would have been November 1977. SSTO; expendable; payload 1,283,000 lbs. .