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Saturn IVB (S-IB)
Part of Saturn IV
LOx/LH2 propellant rocket stage. Saturn IB version of S-IVB stage. Due to lower 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).

Status: Study 1967. Thrust: 1,031.60 kN (231,913 lbf). Gross mass: 118,800 kg (261,900 lb). Unfuelled mass: 12,900 kg (28,400 lb). Specific impulse: 421 s. Specific impulse sea level: 200 s. Burn time: 475 s. Height: 17.80 m (58.30 ft). Diameter: 6.61 m (21.68 ft). Span: 6.61 m (21.68 ft).



Country: USA. Engines: J-2. Launch Vehicles: Saturn IB, Saturn INT-05, Saturn INT-27, Saturn INT-05A, Saturn IB-C, Saturn IB-CE, Saturn IB-D, Uprated Saturn I, Saturn INT-11, Saturn INT-12, Saturn INT-13, Saturn INT-14, Saturn INT-15, Saturn INT-16, Saturn INT-17, Saturn INT-18, Saturn INT-19, Saturn V, Saturn LCB-Alumizine-140, Saturn LCB-Alumizine-250, Saturn LCB-Storable-140, Saturn LCB-Storable-250, Saturn LCB-Lox/RP-1, Saturn S-IC-TLB, Saturn LCB-SR. Propellants: Lox/LH2.

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