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Russian liquid-fuei rocket engine From Wikipedia, the free encyclopedia
The RD-193 is a high performance single-combustion chamber rocket engine, developed in Russia from 2011 to 2013. It is derived from the RD-170 originally used in the Energia launcher.
Country of origin | Russia |
---|---|
Date | 2011[1] |
Designer | NPO Energomash |
Application | Main engine |
Predecessor | RD-191 |
Liquid-fuel engine | |
Propellant | LOX / RP-1 |
Cycle | Oxidizer-rich Staged combustion |
Configuration | |
Chamber | 1 |
Performance | |
Thrust, vacuum | 2,085 kN (469,000 lbf) |
Thrust, sea-level | 1,920 kN (430,000 lbf) |
Thrust-to-weight ratio | 103 |
Specific impulse, vacuum | 337.5 s (3.310 km/s) |
Specific impulse, sea-level | 311.2 s (3.052 km/s) |
Dimensions | |
Length | 3020 mm |
Diameter | 2100 mm |
Dry mass | 1900 kg [2] |
The RD-193 is fueled by a kerosene / LOX mixture and uses an oxygen-rich staged combustion cycle. RD-193 was proposed as a replacement for the NK-33, which is being used in the Soyuz-2-1v vehicle.[1]
The engine is a simplified version of the RD-191, omitting the swing assembly chamber and its related structural elements, thus reducing size and weight (300 kg) and lowering cost.[3]
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