This page no longer updated from 31 October 2001. Latest version can be found at HM7-B

Designer: SEP. Used on stages: Ariane 2-3, Ariane 4-3. Used on launch vehicles: Ariane 2/3, Ariane 4, Ariane 42L, Ariane 42P, Ariane 44L, Ariane 44LP, Ariane 44P. Propellants: Lox/LH2 Thrust(vac): 6,394 kgf. Thrust(vac): 62.70 kN. Isp: 446 sec. Isp (sea level): 310 sec. Burn time: 731 sec. Mass Engine: 155 kg. Diameter: 2.7 m. Length: 2.0 m. Chambers: 1. Chamber Pressure: 35.00 bar. Area Ratio: 82.50. Oxidizer to Fuel Ratio: 5.14. Thrust to Weight Ratio: 41.25. 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 .