- Lyulka AL-21
The Lyulka AL-21 is an
axial flow turbojet engine created by the Soviet company named for its chief designerArkhip Mikhailovich Lyulka (1908-1984).AL-21 entered service in the early 1960's. With later marks (AL-21F-3) it was used in the Sukhoi Su-17M 'Fitter', Sukhoi Su-24 'Fencer', early Mikoyan-Gurevich MiG-23 'Flogger', and Sukhoi T-10 (Sukhoi Su-27 'Flanker' prototype). A non-afterburning version powered the Yakovlev Yak-38 'Forger'
VTOL fighter.pecifications (AL-21F-3)
jetspecs
type=Afterburningturbojet
length=5,300 mm (209 in)
diameter=1,000 mm (39 in)
weight=1,700 kg (3,740 lb)
compressor=14-stageaxial compressor with variable stator blades
combustion=
turbine=
fueltype=
oilsystem=
power=
thrust=
*76.4 kN (17,175 lbf) dry
*109.8 kN (24,675 lbf) withafterburner
compression=14.75:1
aircon=
turbinetemp=1,100 °C (2,000 °F)
fuelcon=
specfuelcon=
*77.5 kg/(h·kN) (0.76 lb/(h·lbf)) at idle
*87.7 kg/(h·kN) (0.86 lb/(h·lbf)) at maximum military power
*189.7 kg/(h·kN) (1.86 lb/(h·lbf)) with afterburner
power/weight=
thrust/weight=64.7 N/kg (6.6:1)- Life expectancy: 1,800 hours
References
* [http://www.airwar.ru/enc/engines/al-21f.html Page of the engine at Russian Aircraft Encyclopedia]
- Life expectancy: 1,800 hours
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