Kuznetsov NK-8
{{short description|1960s Soviet turbofan aircraft engine}}
| {{Infobox Aircraft Begin
| name = NK-8 | image = File:Ein Teil des Flugzeuges IL-62..2H1A7846WI.jpg | caption = }} {{Infobox Aircraft Engine | type = Turbofan | national origin = Soviet Union | manufacturer = Kuznetsov Design Bureau | first run = 1961 | major applications = Ilyushin Il-62 | number built = | program cost = | unit cost = | developed from = | variants with their own articles = | developed into = Kuznetsov NK-86 }} |
The NK-8 was a low-bypass turbofan engine built by the Kuznetsov Design Bureau, in the {{convert|90|kN|abbr=on}} thrust class. It powered production models of the Ilyushin Il-62 and the Tupolev Tu-154A and B models.
Variants
;NK-8-2: {{cvt|20950|lbf|kN|order=flip}} (Tupolev Tu-154)
;NK-8-2U: {{cvt|23155|lbf|kN|order=flip}} (Tupolev Tu-154)
;NK-8-4: {{cvt|23150|lbf|kN|order=flip}} (Ilyushin Il-62)
Applications
Specifications (NK-8-2)
{{jetspecs
|ref=Jane's all the World's Aircraft 1982–83.{{cite book |title=Jane's all the World's Aircraft 1982–83 |editor1-last=Taylor |editor1-first=John W.R. |year=1983 |publisher=Jane's Publishing Company |location=London |isbn=978-0-7106-0748-5 |page=752}}
|type=Two-shaft turbofan
|length={{cvt|4762|mm}}
|diameter={{cvt|1442|mm}}
|weight={{cvt|2100|kg}}
|compressor=Two stage axial fan, two-stage IP compressor, six-stage HP compressor
|combustion=Annular (139 burners)
|turbine=Single-stage HP turbine, two-stage LP turbine
|fueltype= Avtur
|oilsystem= Pressure feed
|power=
|thrust={{cvt|93.2|kN|lbf}} for take-off
|compression=10.8
|bypass=1
|aircon=
|turbinetemp={{cvt|870|C|K|order=flip}}
|fuelcon=
|specfuelcon={{cvt|0.76|lb/lbf/h|kg/kN/h}} at {{cvt|11,000|m}} at cruise power
|power/weight=
|thrust/weight=4.53
}}
See also
{{aircontent
|see also=
|related=
|lists=
|similar engines=
}}
References
{{reflist}}
External links
{{Commons category}}
- [http://www.leteckemotory.cz/motory/nk-8/nk-8.php NK-8 on LeteckeMotory.cz] - NK-8 (cs)
{{Kuznetsov aeroengines}}
Category:Low-bypass turbofan engines