Kuznetsov NK-22
{{Short description|1960s Soviet/Russian turbofan aircraft engine}}
| {{Infobox Aircraft Begin
| name = NK-22 | image = | caption = }} {{Infobox Aircraft Engine | type = Turbofan | national origin = Soviet Union | manufacturer = Kuznetsov Design Bureau | major applications = Tupolev Tu-22M | number built = | program cost = | unit cost = | developed from = NK-144 | variants with their own articles = | developed into = NK-23 }} |
The Kuznetsov NK-22 is an afterburning turbofan engine, designed by the Kuznetsov Design Bureau.
Development
In April 1967, the Kuznetsov Design Bureau accepted an official request to create a new engine that would later be designated as the NK-22. The design of the NK-22 was based on the NK-144 engine used on the Tupolev Tu-144 SST.
The first specimen of the engine was completed on April 10, 1968 and the first factory tests where passed in the same month. State tests took place in October 1970. The engines where later installed on Tu-22M0, M1, and M2 bombers. Serial production of the NK-22 started in 1969 and was terminated in 1984.{{cite book|title=Otechestvennaya aviatsionno-kosmicheskaya tekhnika - SAMARSKIY NTK|publisher=SNTK imeni N.D.Kuznetsova|location=Samara, Russia|language=ru|pages=33, 34, 75}}
A modernised version of the NK-22, the NK-23, first ran in July 1976{{cite book|title=Otechestvennaya aviatsionno-kosmicheskaya tekhnika - SAMARSKIY NTK|publisher=SNTK imeni N.D.Kuznetsova|location=Samara, Russia|language=ru|pages=33, 34, 75}} and was tested in flight on a Tupolev Tu-22M2 bomber.{{cite web |last1=Kussior |first1=Zdeněk |title=NK-22, NK-23 |url=http://www.leteckemotory.cz/motory/nk-22/ |website=leteckemotory.cz |access-date=6 October 2021 |language=cs}} Despite having more thrust (220 kN){{cite web |title=Tot samyy "NK"|url=http://engine.aviaport.ru/issues/08/page39.html |website=engine.aviaport.ru |publisher=Nikolay Aleksandrov |access-date=4 October 2021 |language=ru}} than its predecessor, the NK-23 was not put into serial production.
Applications
- Tupolev Tu-22M0, M1 and M2
Specifications (NK-22)
{{jetspecs
|ref=airwar.ru{{cite web |title=NK-22 |url=http://www.airwar.ru/enc/engines/nk22.html |website=airwar.ru |access-date=5 October 2021 |language=ru}} and leteckemotory.cz{{cite web |last1=Kussior |first1=Zdeněk |title=NK-22, NK-23 |url=http://www.leteckemotory.cz/motory/nk-22/ |website=leteckemotory.cz |access-date=6 October 2021 |language=cs}}
|type=Two-spool low-bypass afterburning turbofan
|weight=
|compressor=12-stage axial compressor
|combustion=Annular multi-nozzle combustion chamber
|turbine=3-stage turbine
|fueltype= T-7 or RT kerosene type fuel
|oilsystem=
|power=
|thrust=
|aircon=
|fuelcon=
|specfuelcon=1.95 kg/(kgf⋅h) with full afterburner
|power/weight=
|thrust/weight=
}}
See also
{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
|similar engines=
}}
References
{{reflist}}
{{Kuznetsov aeroengines}}
{{Aeroengine-specs}}
Category:Low-bypass turbofan engines