Kuznetsov NK-8
| NK-8 | |
|---|---|
 | |
| Type | Turbofan |
| National origin | Soviet Union |
| Manufacturer | Kuznetsov Design Bureau |
| First run | 1961 |
| Major applications | Ilyushin Il-62 Tupolev Tu-154 |
| Developed into | Kuznetsov NK-86 Kuznetsov NK-144 |
The NK-8 was a low-bypass turbofan engine built by the Kuznetsov Design Bureau, in the 90 kN (20,000 lbf) thrust class. It powered production models of the Ilyushin Il-62 and the Tupolev Tu-154A and B models.
Variants
- NK-8-4
- NK-8-2
- NK-8-2U
Applications
Specifications (NK-8-2)
Data from Jane's.[1]
General characteristics
- Type: Two-shaft turbofan
- Length: 4,762 mm (187.48 in)
- Diameter: 1,442 mm (56.8 in)
- Dry weight: 2,100 kg (4,629 lb)
Components
- Compressor: Two stage axial fan, two-stage IP, six-stage HP
- Combustors: Annular (139 burners)
- Turbine: Single-stage HP, two-stage LP
- Fuel type: Avtur
- Oil system: Pressure feed
Performance
- Maximum thrust: 93.2 kN (20,950 lb st) at take-off
- Overall pressure ratio: 10.8
- Bypass ratio: 1
- Turbine inlet temperature: 870° C (1,143° K)
- Specific fuel consumption: 21.53 mg/Ns (0.76 lb/hr/lb st) at 11,000 m (36,000 ft) cruise power
- Thrust-to-weight ratio: 4.53
See also
Related development
Comparable engines
Related lists
References
Notes
- ↑ Taylor 1982, p. 752.
Bibliography
- Taylor, John W.R. Jane's All the World's Aircraft 1982-83., London, Jane's Publishing Company Ltd, 1982. ISBN 0 7106-0748-2.
External links
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Wikimedia Commons has media related to Kuznetsov NK-8. |
- NK-8 on LeteckeMotory.cz - NK-8 (cs)
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