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Slide 22 of 125

Notes:

Liftoff Thrust:2,543,990 kgf. Total Mass: 2,036,734 kg. Core Diameter: 9.9 m. Total Length: 102.0 m.

Stage Number: 1. 1 x Shuttle NAR A-1 Gross Mass: 1,641,723 kg. Empty Mass: 273,469 kg. Thrust (vac): 2,868,481 kgf. Isp: 442 sec. Burn time: 208 sec. Isp(sl): 392 sec. Diameter: 9.9 m. Span: 74.4 m. Length: 85.4 m. Propellants: Lox/LH2. No Engines: 11. SSME Study

Stage Number: 2. 1 x Shuttle NAR A-2 Gross Mass: 395,011 kg. Empty Mass: 121,542 kg. Thrust (vac): 536,054 kgf. Isp: 459 sec. Burn time: 231 sec. Isp(sl): 359 sec. Diameter: 6.7 m. Span: 44.5 m. Length: 61.6 m. Propellants: Lox/LH2. No Engines: 2. SSME Study