Manufacturer Name: RD-108. Government Designation: 8D75-1958. Designer: Glushko. Application: Luna 8K72-1. Used on stages: Luna 8K72-1. Used on launch vehicles: Luna 8K72. Propellants: Lox/KeroseneThrust(vac): 95,500 kgf. Thrust(vac): 941.00 kN. Isp: 315 sec. Isp (sea level): 246 sec. Burn time: 340 sec. Mass Engine: 1,250 kg. Diameter: 0.7 m. Length: 2.9 m. Chambers: 4. Chamber Pressure: 51.00 bar. Area Ratio: 18.90. Oxidizer to Fuel Ratio: 2.39. Country: Russia. Status: Out of Production. First Flight: 1958. Last Flight: 1960. Flown: 9. References: 173 . Comments: Diameter is per chamber.