This page no longer updated from 31 October 2001. Latest version can be found at Viking 2B

Designer: SEP. Used on stages: Ariane 2-1, Ariane 4-1. Used on launch vehicles: Ariane 2/3, Ariane 4, Ariane 42L, Ariane 42P, Ariane 44L, Ariane 44LP, Ariane 44P. Propellants: N2O4/UDMH Thrust(vac): 73,419 kgf. Thrust(vac): 720.00 kN. Isp: 278 sec. Isp (sea level): 248 sec. Burn time: 205 sec. Mass Engine: 776 kg. Diameter: 1.0 m. Length: 2.9 m. Chambers: 1. Chamber Pressure: 59.00 bar. Area Ratio: 11.00. Thrust to Weight Ratio: 86.38. Country: France. Status: In Production. First Flight: 1984. Last Flight: 1999. Flown: 412.
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Last update 12 March 2001.
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© Mark Wade, 2001 .