This page no longer updated from 31 October 2001. Latest version can be found at Viking 5C

Designer: SEP. Used on stages: Ariane 4L. Used on launch vehicles: Ariane 42L, Ariane 44L, Ariane 44LP. Propellants: N2O4/UDMH Thrust(vac): 76,683 kgf. Thrust(vac): 752.00 kN. Isp: 278 sec. Isp (sea level): 248 sec. Burn time: 142 sec. Mass Engine: 776 kg. Diameter: 2.2 m. Length: 2.9 m. Chambers: 1. Chamber Pressure: 55.00 bar. Area Ratio: 11.00. Oxidizer to Fuel Ratio: 1.70. Thrust to Weight Ratio: 92.84. Country: France. Status: In Production. First Flight: 1988. Last Flight: 1999. Flown: 168. References: 225 .
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Last update 12 March 2001.
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© Mark Wade, 2001 .