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performance calculations for the Kuznetsov NK-8-4 aircraft engine
An Il-62 NK-8-4 engine is on display in the Czech Museum of Air and Land technology .
Kuznetsov NK-8-4 turbofan engine of 103.0 [KN] (23155 [lbf]) thrust
introduction : 1966 country : USSR importance : ***
applications : Ilyushin Il-62
max. rating (take-off) : 103.0 [KN] (23155 [lbf], 10503 [kgf])
weight engine(s) dry : 2400.0 [kg] = 42.92 [N/kg]
General information :
by-pass ratio : 1.02 : 1
overall pressure ratio (OPR) : 10.8 : 1
rpm HP : 0 [rpm]
axial flow engine
Engine of CSA Il-62 OK-FBF c/n 41805, photographed during disassembly of this Il-62 at Ostrava Leos Janacek apt , (OSR) Czech republic, August 1998.
no water injection
LP compressor stages : 4 [ ]
HP compressor stages : 6 [ ]
HP turbine stages : 1 [ ]
LP turbine stages : 2 [ ]
stages : 4 + 6 + 1 + 2
turbine inlet temperature : 1140 [K]
fan diameter : 144.2 [cm] engine diameter : 0.0 [cm]
air mass flow : 153 [kg/s]
design hours : 769 [hr] time between overhaul : 385 [hr]
estimated specific fuel consumption (cruise power) :77.0 [kg/KNh]
Literature :
Wikipedia
Museum of Air and Land Technology, Vyškov, Czech Republic – Pickled Wings
DISCLAIMER Above calculations are based on published data, they must be
regarded as indication not as facts.
Calculated performance and weight may not correspond with actual weights
and performances and are assumptions for which no responsibility can be taken.
Calculations are as accurate as possible, they can be fine-tuned when more data
is available, you are welcome to give suggestions and additional information
so we can improve our program. For copyright on drawings/photographs/
content please mail to below mail address
(c) B van der Zalm 22 October 2022 contact : info.aircraftinvestigation@gmail.com python 3.7.4
notes :