RD-869
Engine · Ukraine
Original archive entry. The text, images and links below are kept as they were written.
Yuzhnoye N2O4/UDMH rocket engine. R-36M2 vehicle bus. Based on RD-864. Two thrust levels. The four thrusters swing out of the stage housing before use. Chamber pressure 41 / 17 bar. Diameter 3,0 / 4,02 m. First flight 1986.
Throttled thrust(vac): 2.470 kN (555 lbf). Engine: 196 kg (432 lb). Chamber Pressure: 41.00 bar. Thrust to Weight Ratio: 4.46. Oxidizer to Fuel Ratio: 1.8.