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Gross Mass: 102,249 kg.
Empty Mass: 11,563 kg. Thrust (vac): 90,686 kgf. Isp: 420 sec. Burn time: 415 sec. Propellants: Lox/LH2 Isp(sl): 200 sec. Diameter: 5.6 m. Span: 5.6 m. Length: 19.0 m. Country: USA. No Engines: 1. J-2 Status: Study 1961. Used as: Saturn C-5A-3; Saturn C-4B-3. Comments: Final common third stage design for Saturn C-4 and C-5 (November 1961). Developed into Saturn V second stage. After development started, decision taken to boost performance by increasing diameter to 6.61 m and increasing propellant load.
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Last update 12 March 2001.
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© Mark Wade, 2001 .