This page no longer updated from 31 October 2001. Latest version can be found at Saturn IVB (S-IB)

Gross Mass: 118,800 kg. Empty Mass: 12,900 kg. Thrust (vac): 105,200 kgf. Isp: 421 sec. Burn time: 475 sec. Propellants: Lox/LH2 Isp(sl): 200 sec. Diameter: 6.6 m. Span: 6.6 m. Length: 17.8 m. Country: USA. No Engines: 1. J-2 Status: Hardware. Used as: 0. Comments: Saturn IB version of S-IVB stage. Due to lower payload payload, 300 kg saving in structure compared to Saturn V version. Due to deletion of restart requirement, 700 kg saving in propulsion system (primarily reduction in helium for restart).
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Last update 12 March 2001.
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© Mark Wade, 2001 .