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Family: Shuttle Proposals. Country: USA. Status: Study 1967.
Martin-Marrietta shuttle Phase A design. X-24B type lifting body orbiter with unique catamaran-configuration booster.
SpecificationsLiftoff Thrust: 2,539,680 kgf. Total Mass: 1,587,302 kg. Core Diameter: 8.0 m. Total Length: 128.0 m.
- Stage Number: 1. 1 x Spacemaster-1 Gross Mass: 1,224,490 kg. Empty Mass: 203,342 kg. Thrust (vac): 2,863,622 kgf. Isp: 442 sec. Burn time: 155 sec. Isp(sl): 392 sec. Diameter: 8.0 m. Span: 45.1 m. Length: 57.9 m. Propellants: Lox/LH2 No Engines: 14. SSME Study
- Stage Number: 2. 1 x Spacemaster-2 Gross Mass: 362,812 kg. Empty Mass: 80,000 kg. Thrust (vac): 463,874 kgf. Isp: 459 sec. Burn time: 276 sec. Isp(sl): 359 sec. Diameter: 6.7 m. Span: 32.6 m. Length: 48.8 m. Propellants: Lox/LH2 No Engines: 2. SSME Study
Bibliography:- 44 - Jenkins, Dennis R,, Space Shuttle: The History of Developing the National Space Transportation System, Motorbooks International, ISBN 0-9633974-4-3, 1996.
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Last update 12 March 2001.
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