This page no longer updated from 31 October 2001. Latest version can be found at RD-852

Manufacturer Name: RD-852. Designer: Yangel. Developed in: 1958-63. Application: R-16 (SS-7) stage 2 attitude control engine. Propellants: Nitric acid/UDMH Thrust(vac): 4,920 kgf. Thrust(vac): 48.25 kN. Isp: 255 sec. Burn time: 143 sec. Mass Engine: 133 kg. Diameter: 3.0 m. Length: 2.4 m. Chambers: 4. Chamber Pressure: 66.20 bar. Oxidizer to Fuel Ratio: 2.40. Country: Ukraine. Status: Out of Production. References: 348 . Comments: Four thrusters are each gimbaled in one single axis.
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Last update 12 March 2001.
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© Mark Wade, 2001 .