AKA: 8D515. Status: Out of Production. Date: 1958-61. Thrust: 865.00 kN (194,459 lbf). Unfuelled mass: 980 kg (2,160 lb). Specific impulse: 289 s. Specific impulse sea level: 246 s.
Chambers: 2. Engine: 980 kg (2,160 lb). Chamber Pressure: 73.60 bar. Area Ratio: 18.8. Propellant Formulation: AK27I/UDMH. Thrust to Weight Ratio: 90. Oxidizer to Fuel Ratio: 2.5.