RD-843
| Country of origin | AVUM |
|---|---|
| References | |
| References | [1][2][3][4] |
The RD-843 is a
liquid propellant rocket engine burning pressure-fed UDMH and nitrogen tetroxide. It is rated for up to 5 restarts, and can gimbal up to 10 degrees in each direction.[2]
It was developed by
SS-18 Satan final stage engine from which it is evolved, and which was also designed by Yuzhnoye. The RD-843 ground test campaign included 74 tests, 140 ignitions, reaching a total of 8201 s, which is approximately 12 service lives on 4 engines. As of June 2020 it has been successfully used on 14 orbital launches.[5]
It is currently used as the main engine of
AVUM
upper stage.
See also
- AVUM- The upper stage of the Vega rocket that uses the RD-843 as its main engine.
- Vega - The ESA small rocket that uses AVUM.
- Yuzhnoe Design Bureau- The RD-843 designer bureau.
- Yuzhmash- A multi-product machine-building company that's closely related to Yuzhnoe and manufactures the RD-843.
References
- ^ "Liquid rocket engine RD-843". Yuzhmash. Retrieved 2015-05-29.
- ^ a b "RD-843". Yuzhnoye. Archived from the original on 2020-12-02. Retrieved 2015-05-29.
- .
- ^ "RD-843". Defense Industry Of Ukraine Products And Services. Retrieved 2016-07-11.
- ^ "Vega". 4 June 2020.
External links
- Yuzhnoye Design Bureau English-language home page Archived 2021-06-29 at the Wayback Machine
- Yuzhmash Home Page
- Vega's User Manual
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