Kuznetsov NK-8
The Kuznetsov NK-8 ( Russian Кузнецов НК-8 ) is a civil turbine jet engine from the Soviet design office Kuznetsov . It was developed for the Il-62 and also used in the Tu-154 . Series production was carried out in the Kazan plant No. 16 from 1966 to 1976 and comprised 931 pieces.
variants
- NK-8-1 - (Il-62)
- NK-8-2 - (Tu-154)
- NK-8-2U - (Tu-154A)
- NK-8-3 - (Il-62, 1964)
- NK-8-4 - (Il-62, Il-62M, 1967)
- NK-8-4K - ( Ekranoplan , 1970)
- NK-88 - (Tu-155, derived from NK-8-2, experimental engine for researching an alternative hydrogen / natural gas drive, 1968)
- NK-89 - ( Tu-156 , like NK-88, liquefied natural gas as an additional fuel, 1989)
Cutaway model (NK-8-2U)
Kuznetsov NK-8-4
Kuznetsov NK-8-4
Technical data (NK-8-2)
- Twin-shaft air jet engine
- Length: 4762 mm
- Diameter: 1442 mm
- Dry weight: 2100 kg
- Compressor: two-stage axial compressor, two-stage low-pressure stage, six-stage high-pressure stage
- Annular combustion chamber with 139 burner nozzles
- Gas turbine: single-stage high-pressure stage, two-stage low-pressure stage
- Pressure circulation lubrication
- Maximum thrust: 93.2 kN at takeoff
- Total pressure ratio: 10.8
- Sidestream ratio: 1
- Turbine inlet temperature: 870 ° C
- Specific fuel consumption: 21.53 g / kNs at cruising speed at 11,000 m altitude
- Thrust-to-weight ratio: 4.53
Web links
Commons : Kuznetsov NK-8 - collection of pictures, videos and audio files
- NK-8. In: leteckemotory.cz. Retrieved March 3, 2017 (Czech).
Individual evidence
- ↑ Ulf Gerber: The great book of Soviet aviation 1920–1990 . Rockstuhl, Bad Langensalza 2019, ISBN 978-3-95966-403-5 , p. 376 .