|Country of origin||USSR|
|Associated L/V||UR-100N, Rokot and Strela|
|Status||Out of Production|
|Propellant||N2O4 / UDMH|
|Cycle||Oxidizer Rich Staged Combustion|
|Thrust||520 kilonewtons (120,000 lbf)|
|Chamber pressure||20.5 megapascals (2,970 psi)|
|Isp (vac.)||310 s (3.0 km/s)|
|Isp (SL)||285 s (2.79 km/s)|
|Burn time||121 seconds|
|UR-100N core stage|
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. 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. Three RD-0233 and one RD-0234 are used on the first stage of the UR-100UTTKh ICBM. While the engine is out of production, the ICBM as well as Rokot and Strela remain operational as of 2015.
- 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
- "RD-0233, RD-0234, RD-0235, RD-0236, RD-0237. Intercontinental ballistic missiles RS-18". KBKhA. Retrieved 2015-06-19.
- "RD-0233". Encyclopedia Astronautica. Archived from the original on 2015-08-24. Retrieved 2015-06-19.
- "Rockot Launch Vehicle". Khrunichev State Research and Production Space Center. Retrieved 2015-06-19.
- "RD-0234". Encyclopedia Astronautica. Archived from the original on 2015-08-24. Retrieved 2015-06-19.
- Zak, Anatoly. "UR-100N Family". RussianSpaceWeb.com. Retrieved 2015-06-19.
- KbKhA official information on the engine.
- Encyclopedia Astronautica information on the propulsion module.
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