RD-220 Manufacturer Name: RD-220. Designer: Glushko. Developed in: 1960-. Application: missile stage 1 (stage 2 used RD-221). Propellants: Nitric acid/UDMH. Thrust(vac): 1,074.000 kN (241,444 lbf). Isp: 306 sec. Isp (sea level): 270 sec. Mass Engine: 760 kg (1,670 lb). Diameter: 1.29 m (4.23 ft). Length: 2.60 m (8.50 ft). Chambers: 1. Chamber Pressure: 147.00 bar. Area Ratio: 31.80. Oxidizer to Fuel Ratio: 2.80. Thrust to Weight Ratio: 144.10. Country: Russia. Status: Developed 1960-. Bibliography and Further Reading Glushko, V P, Albom Konstruktsiy ZhRD, Vol. 1 1968, Vol. 3 & 4 1969 via Dietrich Haeseler.                   Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2007 except where otherwise noted.

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