This page no longer updated from 31 October 2001. Latest version can be found at RD-185

Manufacturer Name: RD-185. Designer: Glushko. Developed in: 1996-. Application: Riksha-0 stage 2. Propellants: Lox/LCH4 Thrust(vac): 18,250 kgf. Thrust(vac): 179.00 kN. Isp: 378 sec. Mass Engine: 415 kg. Diameter: 1.5 m. Length: 3.3 m. Chambers: 1. Chamber Pressure: 147.00 bar. Oxidizer to Fuel Ratio: 3.40. Country: Russia. Status: Developed 1996-. References: 325 . Comments: Upper stage version of RD-169 with larger nozzle. Gimbaling +/- 4 degree in two planes. Status 1996 was project, development estimated for four years. Nozzle expansion ratio is 150/0.036=4167.
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Last update 12 March 2001.
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© Mark Wade, 2001 .