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RD-57A-1

Engine · Russia

Original archive entry. The text, images and links below are kept as they were written.

Lyulka LOx/LH2 rocket engine. Developed 1995-98. New version of RD-57M for SSTO-demonstrator proposed by Aerojet. Optimized nozzle contour for performance increase, new chamber material for weight reduction.

First launch was planned for 3rd quarter 1998 in 1994, but not performed until 1999.

Engine: 550 kg (1,210 lb). Area Ratio: 143. Thrust to Weight Ratio: 73.23. Oxidizer to Fuel Ratio: 5.8.

Country
Russia
Propellants
Lox/LH2