Saturn IVB J-2 Credit - © Mark Wade Gross Mass: 119,920 kg (264,370 lb). Empty Mass: 13,311 kg (29,345 lb). Thrust (vac): 1,031.983 kN (231,999 lbf). Isp: 425 sec. Burn time: 475 sec. Propellants: Lox/LH2. Isp(sl): 200 sec. Diameter: 6.61 m (21.68 ft). Span: 6.61 m (21.68 ft). Length: 17.80 m (58.30 ft). Country: USA. No Engines: 1. Engine: J-2. Status: Study 1960. Cost $ : 58.290 million. Used as: Saturn IB; Saturn V. Used on Launch Vehicles: Saturn C-4. Saturn C-8.                   Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2007 except where otherwise noted.

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