HM-10
Engine · France
Original archive entry. The text, images and links below are kept as they were written.
SEP, Ottobrunn LOx/LH2 rocket engine. Developed 1990's. Engine for potential Ariane 5 upper stage.
Engine: 145 kg (319 lb). Chamber Pressure: 30.00 bar. Area Ratio: 61. Thrust to Weight Ratio: 43.448275862069. Coefficient of Thrust vacuum: 1.57922139504816. Coefficient of Thrust sea level: 0.