This page no longer updated from 31 October 2001. Latest version can be found at Viking 4B

Designer: SEP. Used on stages: Ariane 2-2. Used on launch vehicles: Ariane 2/3, Ariane 4, Ariane 42L, Ariane 42P, Ariane 44L, Ariane 44LP, Ariane 44P. Propellants: N2O4/UDMH Thrust(vac): 82,087 kgf. Thrust(vac): 805.00 kN. Isp: 296 sec. Isp (sea level): 210 sec. Burn time: 125 sec. Mass Engine: 850 kg. Diameter: 2.6 m. Length: 3.5 m. Chambers: 1. Chamber Pressure: 58.50 bar. Area Ratio: 30.80. Oxidizer to Fuel Ratio: 1.70. Thrust to Weight Ratio: 99.38. Country: France. Status: In Production. First Flight: 1984. Last Flight: 1999. Flown: 103.
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Last update 12 March 2001.
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© Mark Wade, 2001 .