 The four nozzles of the RD-0110R surround the large single nozzle of theNK-33 engine on the first stage of the Soyuz-2.1v. | |
| Country of origin | Russia |
|---|---|
| First flight | 2013-12-28 |
| Designer | KBKhA,[1] Viktor Gorokhov[2] |
| Manufacturer | Voronezh Mechanical Plant[2] |
| Application | 1st stage vernier engine |
| AssociatedLV | Soyuz-2.1v[1] |
| Predecessor | RD-0110[1] |
| Status | Retired |
| Liquid-fuel engine | |
| Propellant | LOX /RG-1[1] |
| Cycle | Gas-generator[1] |
| Configuration | |
| Chamber | 4[1] |
| Performance | |
| Thrust, vacuum | 265.1 kN (59,600 lbf)[1] |
| Thrust, sea-level | 230.5 kN (51,800 lbf)[1] |
| Chamberpressure | 6.6 MPa (960 psi)[1] |
| Specific impulse, vacuum | 298.4 s (2.926 km/s)[1] |
| Specific impulse, sea-level | 259.4 s (2.544 km/s)[1] |
| Burn time | 210 seconds[1] |
| Dimensions | |
| Length | 1,910 mm (75 in)[1] |
| Diameter | 2,675 mm (105.3 in)[1] |
| Dry mass | 850 kg (1,870 lb) including the support ring[1] |
| Used in | |
| Soyuz-2.1v first stage | |
TheRD-0110R (Russian:Ракетный Двигатель-0110Р (Р - рулевой),romanized: Raketnyy Dvigatel-0110R,lit. 'Rocket Engine 0110R (R - rulevoy, steering)',GRAU index:14D24) was arocket engine burningkerosene inliquid oxygen in agas generator combustion cycle. It had four nozzles that can gimbal up to 45 degrees in a single axis and was used as thevernier thruster on theSoyuz-2.1v first stage.[1] It also had heat exchangers that heatoxygen andhelium to pressurize theLOX andRG-1 tanks of the Soyuz-2.1v first stage, respectively. The oxygen was supplied from the same LOX tank in liquid form, while the helium was supplied from separate high pressure bottles (known as the T tank).[1]
The engine's development started in 2010 and it is a heavily modified version of theRD-0110. The main areas of work were shortening the nozzles to optimize them for the atmospheric part of the flight (the RD-0110 is a vacuum optimized engine), propellant piping, heat exchangers and the gimballing system, which was developed byRKTs Progress. The RD-0110R engine was produced at the Voronezh Mechanical Plant.[2]
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