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RD-864
Yuzhnoye N2O4/UDMH rocket engine.

Application: R-36M UTTKh / RS-20B (SS-18 Mod 2) vehicle bus. Out of Production. Two thrust levels. The four thruster swing out of the stage housing before use. Chamber pressure 41 / 17 bar. Specific impulse 309 / 298 sec.

Status: Out of Production. Date: 1976-78. Thrust: 20.20 kN (4,541 lbf). Unfuelled mass: 199 kg (438 lb). Specific impulse: 309 s. Burn time: 600 s. Height: 1.42 m (4.65 ft). Diameter: 3.00 m (9.80 ft).

Diameter 3.0 / 4.02 m.

Chambers: 4. Throttled thrust(vac): 8.450 kN (1,900 lbf). Engine: 199 kg (438 lb). Chamber Pressure: 41.00 bar. Thrust to Weight Ratio: 10.35. Oxidizer to Fuel Ratio: 1.8.



Family: Storable liquid. Country: Ukraine. Propellants: N2O4/UDMH. Agency: Yuzhnoye. Bibliography: 348.

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