Engine Model: RD-0251. Manufacturer Name: RD-0251. Designer: Kosberg. Application: Modif. of Chelomei-launcher stage 2 (?). Propellants: N2O4/UDMH. Chambers: 4. Country: Russia. Status: Design concept. Further development of RD-0236 steering engine for projected modification of launcher by Chelomei. Development ceased during study phase. Gas generator cycle.
Bibliography:- Golubev, A A, KB KhimAvtomatiki - Straniy Istorii, Vol. 1, Voronezh 1995 via Dietrich Haeseler.