Kuznetsov NK-8

<h2 id="variants">Variants</h2>
NK-8-2
93.2 kN (20,950 lbf) (<a href="/facts/Tupolev_Tu-154/9Meqj5vB">Tupolev Tu-154</a>)
NK-8-2U
103.00 kN (23,155 lbf) (<a href="/facts/Tupolev_Tu-154/9Meqj5vB">Tupolev Tu-154</a>)
NK-8-4
103.0 kN (23,150 lbf) (<a href="/facts/Ilyushin_Il-62/wsW2kmxA">Ilyushin Il-62</a>)
<h2 id="applications">Applications</h2>
<ul><li><a href="/facts/Ilyushin_Il-62/wsW2kmxA">Ilyushin Il-62</a></li>
<li><a href="/facts/Tupolev_Tu-154/9Meqj5vB">Tupolev Tu-154</a></li></ul>
<h2 id="specifications-nk-8-2">Specifications (NK-8-2)</h2>

<p><i>Data from</i> <i>Jane's all the World's Aircraft 1982–83.</i><a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a></p>
<h4>General characteristics</h4>
<ul><li>Type: Two-shaft turbofan</li>
<li>Length: 4,762 mm (187.5 in)</li>
<li>Diameter: 1,442 mm (56.8 in)</li>
<li>Dry weight: 2,100 kg (4,600 lb)</li></ul>
<h4>Components</h4>
<ul><li>Compressor: Two stage axial fan, two-stage IP compressor, six-stage HP compressor</li>
<li><a href="/facts/Combustor/CWfdCYos">Combustors</a>: Annular (139 burners)</li>
<li><a href="/facts/Turbine/gqosKCkI">Turbine</a>: Single-stage HP turbine, two-stage LP turbine</li>
<li>Fuel type: Avtur</li>
<li>Oil system: Pressure feed</li></ul>
<h4>Performance</h4>
<ul><li>Maximum <a href="/facts/Thrust/EM04CqV7">thrust</a>: 93.2 kN (21,000 lbf) for take-off</li>
<li><a href="/facts/Overall_pressure_ratio/dFVVlj2X">Overall pressure ratio</a>: 10.8</li>
<li><a href="/facts/Bypass_ratio/rpsDPRHL">Bypass ratio</a>: 1</li>
<li>Turbine inlet temperature: 1,140 K (870 °C)</li>
<li><a href="/facts/Thrust_specific_fuel_consumption/nktF8Vdg">Specific fuel consumption</a>: 0.76 lb/lbf/h (77 kg/kN/h) at 11,000 m (36,000 ft) at cruise power</li>
<li><a href="/facts/Thrust-to-weight_ratio/lgAXJLRJ">Thrust-to-weight ratio</a>: 4.53</li></ul>
<h2 id="see-also">See also</h2>
<p>
Related development
</p>
<ul><li><a href="/facts/Kuznetsov_NK-86/5NK5jSw2">Kuznetsov NK-86</a></li>
<li><a href="/facts/Kuznetsov_NK-144/mR6XJ2If">Kuznetsov NK-144</a></li></ul>
<p>
Comparable engines
</p>
<ul><li><a href="/facts/Pratt_%2526_Whitney_JT3D/sQVakSoE">Pratt & Whitney JT3D</a></li>
<li><a href="/facts/Pratt_%2526_Whitney_JT8D/JeFNcIqn">Pratt & Whitney JT8D</a></li>
<li><a href="/facts/Rolls-Royce_Conway/gRASumMK">Rolls-Royce Conway</a></li>
<li><a href="/facts/Soloviev_D-30/P3vqzWWx">Soloviev D-30</a></li></ul>
<p>Related lists
</p>
<ul><li><a href="/facts/List_of_aircraft_engines/WmM6KfAp">List of aircraft engines</a></li></ul>

<h2 id="external-links">External links</h2>

Wikimedia Commons has media related to Kuznetsov NK-8.

<ul><li><a href="http://www.leteckemotory.cz/motory/nk-8/nk-8.php">NK-8 on LeteckeMotory.cz</a> - NK-8 (cs)</li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>Taylor, John W.R., ed. (1983). Jane's all the World's Aircraft 1982–83. London: Jane's Publishing Company. p. 752. ISBN 978-0-7106-0748-5. <a href="978-0-7106-0748-5" target="_blank">978-0-7106-0748-5</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
</ol>

Kuznetsov NK-8 open-in-new

Kuznetsov NK-8