Engine Model: RD-0250. Manufacturer Name: RD-0250. Designer: Kosberg. Application: Modif. of Chelomei-launcher stage 2 (?). Propellants: N2O4/UDMH. Chambers: 1. Country: Russia. Status: Design concept. Further development of RD-0235 main engine for projected modification of launcher by Chelomei. Development ceased during study phase. Staged combustion cycle.
Bibliography:- Golubev, A A, KB KhimAvtomatiki - Straniy Istorii, Vol. 1, Voronezh 1995 via Dietrich Haeseler.