| Country of origin | Ukraine |
|---|---|
| Designer | Yuzhnoye Design Bureau |
| Manufacturer | Yuzhmash |
| Application | First Stage |
| Status | In development |
| Liquid-fuel engine | |
| Propellant | LOX / RG-1 |
| Mixture ratio | 2.65 |
| Cycle | Staged Combustion |
| Configuration | |
| Chamber | 1 |
| Performance | |
| Thrust, vacuum | 1,340 kN (300,000 lbf) |
| Thrust, sea-level | 1,198 kN (269,000 lbf) |
| Chamber pressure | 18 MPa (2,600 psi) |
| Specific impulse, vacuum | 336 s (3.30 km/s) |
| Specific impulse, sea-level | 300.7 s (2.949 km/s) |
| Burn time | 200 s |
| Gimbal range | 6 |
| Dimensions | |
| Dry mass | 1,630 kg (3,590 lb) |
| References | |
| References | [1][2][3][4] |
The RD801 (Ukrainian: РД801) is a Ukrainian liquid propellant rocket engine burning LOX and Kerosene (RG-1) in a staged combustion cycle.[4] It has a single combustion chamber that provides thrust vector control by gimbaling of the nozzle in two axis by +/- 6°. It is being designed in Ukraine by Yuzhnoye Design Bureau for the prospective first stage propulsion of the Mayak rocket family.[4][2]
The RD801 as well as the RD-810 are being designed based on the work of the RD-8 vernier and the maintenance and improvement of the RD-120 engines. The RD801 can be used stand alone on a Mayak or in a cluster.[2]
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