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RD-864
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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): 20.200 kN (4,541 lbf). Throttled thrust(vac): 8.450 kN (1,900 lbf). Isp: 309 sec. Burn time: 600 sec. Mass Engine: 199 kg (438 lb). Diameter: 3.00 m (9.80 ft). Length: 1.42 m (4.65 ft). Chambers: 4. Chamber Pressure: 41.00 bar. Oxidizer to Fuel Ratio: 1.80. Thrust to Weight Ratio: 10.35. Country: Ukraine. Status: Out of Production. 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.
Bibliography and Further Reading - Shnyakin, V N, Shidkostnye Raketye Dvigateli - Opisanie i Osnovnye Tekhnicheskie Dannye, GKB Yuzhnoe "Yangel", Dnepropetrovsk 1996 via Dietrich Haeseler.
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© Mark Wade, 1997 - 2007 except where otherwise noted.
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