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astronautix.com HM7-A


Designer: SEP. Used on stages: Ariane 1-3. Used on launch vehicles: Ariane 1. Propellants: Lox/LH2 Thrust(vac): 6,289 kgf. Thrust(vac): 61.70 kN. Isp: 443 sec. Isp (sea level): 308 sec. Burn time: 563 sec. Mass Engine: 149 kg. Diameter: 2.7 m. Length: 1.7 m. Chambers: 1. Chamber Pressure: 30.00 bar. Area Ratio: 62.50. Oxidizer to Fuel Ratio: 5.15. Thrust to Weight Ratio: 42.21. Country: France. Status: Out of Production. First Flight: 1979. Last Flight: 1986. Flown: 11. References: 225 .
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Last update 12 March 2001.
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