Engine Model: 11D428. Government Designation: 11D428. Designer: Melnikov. Application: Yantar-2K orbital propulsion. Propellants: N2O4/UDMH. Thrust(vac): 110 N (20 lbf). Burn time: 10,000 sec. Chambers: 1. Country: Russia. Status: In Production. Orbital propulsion system of the Yantar-2K military satellite, including one 11D430, four 11D431, four 11D446, and eight 11D428. Up to 40,000 ignitions.
Bibliography:- Sorokin, Vladislav, Novosti Kosmonavtiki, "'Yantarnaya istoriya'", 1997, Issue 17, page 57.