Kosberg N2O4/UDMH rocket engine. UR-100N / RS-18 (SS-19) stage 1. Out of Production. Staged combustion cycle. First flight 1974.
Status: Out of Production. Date: 1969-74. Thrust: 520.00 kN (116,900 lbf). Specific impulse: 310 s. Specific impulse sea level: 285 s. Burn time: 121 s.