S5.92
Engine · Russia
Original archive entry. The text, images and links below are kept as they were written.
Isayev N2O4/UDMH rocket engine. Phobos propulsion module, later adapted as Fregat upper stage. In production. Gas generator cycle. Nominal and low-thrust thrust levels.
Low thrust version with 1400 kgf, chamber diameter of 0.68 m, chamber pressure of 67 bar, specific impulse 316 seconds. Chamber pressure 97 / 67. Specific impulse 327 / 316 sec.
Throttled thrust(vac): 13.700 kN (3,080 lbf). Engine: 75 kg (165 lb). Chamber Pressure: 97.00 bar. Area Ratio: 153.8. Thrust to Weight Ratio: 26.66. Oxidizer to Fuel Ratio: 2.
Related
- Family
- Storable liquid
- Country
- Russia
- Launch Vehicles
- Soyuz 11A511U / Fregat, Soyuz ST / Fregat ST
- Propellants
- N2O4/UDMH
- Stages
- Fregat
- Agency
- Isayev bureau
- Bibliography
- 293