| Country of origin | USSR |
|---|---|
| First flight | 1973-04-09[1] |
| Designer | OKB-154[1] |
| Application | Vernier engine |
| Associated LV | UR-100N, Rokot and Strela[1] |
| Status | Out of Production |
| Liquid-fuel engine | |
| Propellant | N2O4[1] / UDMH[1] |
| Cycle | Gas Generator[1] |
| Configuration | |
| Chamber | 4[2] |
| Performance | |
| Thrust | 15.76 kilonewtons (3,540 lbf)[2] |
| Specific impulse, vacuum | 293 s (2.87 km/s)[2] |
| Used in | |
| UR-100N second stage[2] | |
The RD-0236 (GRAU Index 15D114) is a liquid rocket vernier engine, burning N2O4 and UDMH in the gas generator cycle.[3][1] It is used along the RD-0235 main engine on the UTTKh second stage, which was featured in the UR-100N ICBM as well as the Strela and Rokot launch vehicles derived from it. Its function is to supply thrust vector control by gimbaling each of its four nozzles in a plane.[2] While the engine is out of production, the ICBM as well as Strela remain operational as of 2015.[4] The Rokot launch vehicle conducted its final launch before retirement in December 2019.[5]
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