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Engine Model: RD-863. Manufacturer Name: RD-863. Designer: Yuzhnoye. Developed in: 1970-73. Application: MR-UR-100 / RS-16 (SS-17) stage 1 attitude control engine. Propellants: N2O4/UDMH. Thrust(vac): 276.840 kN (62,236 lbf). Isp: 301 sec. Isp (sea level): 259 sec. Burn time: 130 sec. Mass Engine: 310 kg (680 lb). Diameter: 2.08 m (6.82 ft). Length: 1.88 m (6.16 ft). Chambers: 4. Chamber Pressure: 88.60 bar. Oxidizer to Fuel Ratio: 2.15. Thrust to Weight Ratio: 91.06. Country: Ukraine. Status: Out of Production.
Bibliography:- Shnyakin, V N, Shidkostnye Raketye Dvigateli - Opisanie i Osnovnye Tekhnicheskie Dannye, GKB Yuzhnoe "Yangel", Dnepropetrovsk 1996 via Dietrich Haeseler.
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