RD-861G
Engine · Italy · Ukraine
Original archive entry. The text, images and links below are kept as they were written.
Yuzhnoye, Fiat Avio N2O4/UDMH rocket engine. Vega upper stage. Developed 1996-. Proposed uprate of RD-861 engine. Thrust vector control by gimbal, roll control by 4 nozzles (thrust 29 N each).
New arrangement of turbine exhaust lines for improved performance.
Chambers: 1 + 4. Engine: 185 kg (407 lb). Chamber Pressure: 88.80 bar. Area Ratio: 112.4. Thrust to Weight Ratio: 42.14. Oxidizer to Fuel Ratio: 2.41.
Related
- Family
- Storable liquid
- Launch Vehicles
- Vega
- Propellants
- N2O4/UDMH