RD-109
Engine · Russia
Original archive entry. The text, images and links below are kept as they were written.
Credit: © Mark Wade
Glushko LOx/UDMH rocket engine. Developed 1957-60. Intended for second stage of LOx/UDMH 8K73 version of R-7. Abandoned because of Korolev's refusal to use such a toxic fuel. Later basis for RD-119 used on the Kosmos space launcher.
Intended for the second stage of a Lox/UDMH version of the R-7. Glushko expected to improve engine specific impulse by 8 to 10 seconds over that of the Lox/Kerosene R-7 engines. The project was abandoned because of Korolev's refusal to use such a toxic fuel. However the engine became the basis of the RD-119 used on the Kosmos space launcher.
Engine: 210 kg (460 lb). Chamber Pressure: 77.50 bar. Area Ratio: 58.5. Thrust to Weight Ratio: 49.33. Oxidizer to Fuel Ratio: 1.49.
Subtopics
RD-119 Glushko LOx/UDMH rocket engine. Kosmos 1 stage 2. Out of production. Derived from RD-109 motor originally intended for the second stage of a LOx/UDMH version of the R-7. First flight 1961.
Related
- Country
- Russia
- Launch Vehicles
- 8K73
- Propellants
- Lox/UDMH
- Agency
- Glushko bureau