Engine Model: RD-0128. Manufacturer Name: RD-0128. Designer: Kosberg. Developed in: 1996-. Application: upper stage. Propellants: Lox/LH2. Thrust(vac): 98.000 kN (22,031 lbf). Isp: 474 sec. Mass Engine: 370 kg (810 lb). Length: 4.18 m (13.70 ft). Chambers: 1. Chamber Pressure: 118.00 bar. Oxidizer to Fuel Ratio: 6.00. Thrust to Weight Ratio: 27.02. Country: Russia. Status: Design concept 1996-. Concept for a cryogenic engine for upper stages. One single chamber with bell nozzle, separate turbopumps.
Bibliography:- Russian Arms Catalogue, Vol 5 and 6, Military Parade, Moscow via Dietrich Haeseler.