Engine Model: RD-0209. Manufacturer Name: RD-0209. Designer: Kosberg. Developed in: 1961-65. Application: UR-200 stage 1. Propellants: N2O4/UDMH. Chambers: 1. Country: Russia. Status: Developed 1961-65. First Flight: 1965. Engine unit (DU - dvigatelnaya ustanovka) consisting of 1 RD-0211 for tank pressurization and three RD-0210. Modification of RD-0208 with tank pressurization. Further developed into RD--0211.
Bibliography:- Haeseler, Dietrich, "Personal communication", 1998 December..