RD-857
Engine · Ukraine
Original archive entry. The text, images and links below are kept as they were written.
Credit: via Dietrich Haeseler
Yuzhnoye N2O4/UDMH rocket engine. RT-20P missile stage 2. Out of production. Designed for second stage of mixed propulsion missile, only flight tests. Thrust vector control by secondary gas injection into nozzle. First flight 1967.
Second thrust level at 12.75 kN.
Engine: 190 kg (410 lb). Chamber Pressure: 127.50 bar. Thrust to Weight Ratio: 73.68. Oxidizer to Fuel Ratio: 2.6.
Related
- Family
- Storable liquid
- Country
- Ukraine
- Launch Vehicles
- RT-20P
- Propellants
- N2O4/UDMH
- Stages
- 8K94 stage
- Agency
- Yuzhnoye