RD-0233
| Country of origin | USSR |
|---|---|
| First flight | 1973-04-09[1] |
| Designer | OKB-154[1] |
| Associated L/V | UR-100N, Rokot and Strela[1] |
| Status | Out of Production |
| Liquid-fuel engine | |
| Propellant | N2O4[1] / UDMH[1] |
| Cycle | Oxidizer Rich Staged Combustion[1] |
| Configuration | |
| Chamber | 1[2] |
| Performance | |
| Thrust | 520 kilonewtons (120,000 lbf)[2] |
| Chamber pressure | 20.5 megapascals (2,970 psi)[2] |
| Isp (vac.) | 310 s (3.0 km/s)[2] |
| Isp (SL) | 285 s (2.79 km/s)[2] |
| Burn time | 121 seconds[2] |
| Used in | |
| UR-100N core stage[2] | |
The RD-0233 (GRAU Index 15D95) and RD-0234 (GRAU Index 15D96) are liquid rocket engines, burning N2O4 and UDMH in the oxidizer rich staged combustion cycle.[3][1][2] The only difference between the RD-0233 and the RD-0234 is that the latter has a heat exchanger to heat the pressuring gasses for the tanks.[4] Three RD-0233 and one RD-0234 are used on the first stage of the UR-100UTTKh ICBM.[5] While the engine is out of production, the ICBM as well as Rokot and Strela remain operational as of 2015.[5]
See also
- UR-100N - ICBM for which this engine was originally developed for.
- Rokot - launch vehicle that is a repurposed UR-100N.
- Strela - launch vehicle that is a repurposed UR-100N.
- Rocket engine using liquid fuel
References
- 1 2 3 4 5 6 7 "RD-0233, RD-0234, RD-0235, RD-0236, RD-0237. Intercontinental ballistic missiles RS-18". KBKhA. Retrieved 2015-06-19.
- 1 2 3 4 5 6 7 8 "RD-0233". Encyclopedia Astronautica. Retrieved 2015-06-19.
- ↑ "Rockot Launch Vehicle". Khrunichev State Research and Production Space Center. Retrieved 2015-06-19.
- ↑ "RD-0234". Encyclopedia Astronautica. Retrieved 2015-06-19.
- 1 2 Zak, Anatoly. "UR-100N Family". RussianSpaceWeb.com. Retrieved 2015-06-19.
External links
- KbKhA official information on the engine.
- Encyclopedia Astronautica information on the propulsion module.
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