RD-57M
Engine · Russia
Original archive entry. The text, images and links below are kept as they were written.
Lyulka LOx/LH2 rocket engine. Vulkan Blok V. Development ended 1976. Version with extendible nozzle. Length 4.06 / 2.61 m. Specific impulse 461 / 448 sec. Area ratio 170 / 87.6.
Ref. Lyulka 94 has higher mass at 911 kg and higher fixed nozzle area ratio at 100.
Throttled thrust(vac): 303.000 kN (68,117 lbf). Engine: 874 kg (1,926 lb). Chamber Pressure: 115.00 bar. Area Ratio: 170. Thrust to Weight Ratio: 46.31. Oxidizer to Fuel Ratio: 6.2.
Related
- Country
- Russia
- Launch Vehicles
- Vulkan
- Propellants
- Lox/LH2
- Stages
- Vulkan Blok V
- Agency
- Lyulka bureau