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astronautix.com RD-864


Manufacturer Name: RD-864. Designer: Yangel. Developed in: 1976-78. Application: R-36M UTTKh / RS-20B (SS-18 Mod 2) vehicle bus. Propellants: N2O4/UDMH Thrust(vac): 2,060 kgf. Thrust(vac): 20.20 kN. Isp: 309 sec. Burn time: 600 sec. Mass Engine: 199 kg. Diameter: 3.0 m. Length: 1.4 m. Chambers: 4. Chamber Pressure: 41.00 bar. Oxidizer to Fuel Ratio: 1.80. Country: Ukraine. Status: Out of Production. References: 348 . Comments: Two thrust levels. The four thruster swing out of the stage housing before use. Chamber pressure 41 / 17 bar. Diameter 3,0 / 4,02 m. Specific impulse 309 / 298 sec.
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Last update 12 March 2001.
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