This page no longer updated from 31 October 2001. Latest version can be found at RD-57

Manufacturer Name: RD-57. Government Designation: 11D57. Other Designations: D-57. Designer: Lyulka. Developed in: 1960-77. Application: N1 Block S (N-1M). Used on stages: N1 Block S, N1 Block V-III. Used on launch vehicles: N-IFV-II, III, N-IFV-III, N-IMV-II, III, N-IMV-III, N-IUV-III, N1F-L3M, N1M. Propellants: Lox/LH2 Thrust(vac): 40,000 kgf. Thrust(vac): 392.00 kN. Isp: 457 sec. Burn time: 800 sec. Mass Engine: 840 kg. Diameter: 1.9 m. Length: 3.7 m. Chambers: 1. Chamber Pressure: 111.00 bar. Area Ratio: 142.30. Oxidizer to Fuel Ratio: 5.80. Country: Russia. Status: Developed 1960-77. References: 89 , 331 . Comments: One to have been used in N1 Block S. In fixed chamber version, 3 to 6 to have been used in N1 Block V-III. Engine system includes roll control thruster with 1.29 kN thrust.
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Last update 12 March 2001.
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© Mark Wade, 2001 .