11D49
Engine · Russia
Original archive entry. The text, images and links below are kept as they were written.
Isayev Nitric acid/UDMH rocket engine. Kosmos-3M stage 2. Engine has one main and four steering nozzles. Thrust 157.5 + 4 x 25 kN. Predecessor was 11D47 in R-14 (derivative) stage 2. First flight 1964.
Chambers: 1 + 4. Engine: 185 kg (407 lb). Chamber Pressure: 98.10 bar. Area Ratio: 103.4. Propellant Formulation: AK27I/UDMH. Thrust to Weight Ratio: 86.81. Oxidizer to Fuel Ratio: 2.65.
Related
- Family
- Storable liquid
- Country
- Russia
- Launch Vehicles
- Kosmos 65S3, Kosmos 11K65, Kosmos 11K65M, Kosmos 65MP
- Propellants
- Nitric acid/UDMH
- Stages
- S3
- Agency
- Isayev bureau