RD-861
Engine · Ukraine
Original archive entry. The text, images and links below are kept as they were written.
Credit: © Dietrich Haeseler
Yuzhnoye N2O4/UDMH rocket engine. Tsyklon 2 and 3 stage 3; Ikar. In production. Based on RD-854. Thrust vector control by 4 nozzles (thrust 98 N each) fed from a gas generator. First flight 1965.
Mass given in ref. IAF-97-S.1.04 is 162 kg instead of 123 kg originally stated.
Chambers: 1 + 4 + 2. Engine: 123 kg (271 lb). Chamber Pressure: 88.80 bar. Area Ratio: 112.4. Thrust to Weight Ratio: 65.25. Oxidizer to Fuel Ratio: 2.1.
Related
- Family
- Storable liquid
- Country
- Ukraine
- Propellants
- N2O4/UDMH
- Stages
- Tsyklon 2-3, Tsyklon 3-3
- Agency
- Yuzhnoye