RD-0236
| Country of origin | USSR |
|---|---|
| First flight | 1973-04-09 |
| Designer | OKB-154 |
| Application | Vernier engine |
| Associated L/V | UR-100N, Rokot and Strela |
| Status | Out of Production |
| Liquid-fuel engine | |
| Propellant | N2O4 / UDMH |
| Cycle | Gas Generator |
| Configuration | |
| Chamber | 4 |
| Performance | |
| Thrust | 15.76 kilonewtons (3,540 lbf) |
| Isp (vac.) | 293 s (2.87 km/s) |
| Used in | |
| UR-100N second stage | |
The RD-0236 (GRAU Index 15D114) is a liquid rocket vernier engine, burning N2O4 and UDMH in the gas generator cycle. It is used along the RD-0235 main engine on the UR-100UTTKh second stage. Its function is to supply thrust vector control by gimbaling each of its four nozzles in a plane. While the engine is out of production, the ICBM as well as Rokot and Strela remain operational as of 2015.
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