Engine Model: RD-115. Manufacturer Name: RD-115. Designer: Glushko. Developed in: 1961-65. Application: ICBM stage 2 (stage 1 was RD-114). Propellants: Lox/UDMH. Thrust(vac): 1,726.000 kN (388,020 lbf). Isp: 357 sec. Burn time: 130 sec. Mass Engine: 1,250 kg (2,750 lb). Diameter: 3.27 m (10.71 ft). Length: 5.00 m (16.40 ft). Chambers: 1. Chamber Pressure: 147.00 bar. Area Ratio: 86.20. Oxidizer to Fuel Ratio: 1.77. Thrust to Weight Ratio: 140.80. Country: Russia. Status: Developed 1961-65. Upper stage version of RD-114 with larger nozzle.
Bibliography:- Glushko, V P, Albom Konstruktsiy ZhRD, Vol. 1 1968, Vol. 3 & 4 1969 via Dietrich Haeseler.