Lyulka AL-7

Lyulka AL-7

The Lyulka AL-7 was a turbojet designed by Arkhip Mikhailovich Lyulka and produced by his Lyulka design bureau. It had supersonic airflow through the first stage of the compressor. TR-7 prototype developing 6,500 kgf (14,330 lbf, 63.7 kN) of thrust was tested in 1952, and the engine was initially intended for Ilyushin's Il-54 bomber. The afterburning version AL-7F was created in 1953. In 1957, Su-7 'Fitters' equipped with AL-7F exceeded Mach 2 at 18,000 m (70,900 ft), which lead to production of Su-7B and Su-9 'Fishpot' equipped with this engine. The engine was adopted for Tu-128P 'Fiddler' in 1960, and it was used in the AS-3 'Kangaroo' cruise missile. The Beriev Be-10 jet flying boat used a non-afterburning AL-7PB with stainless steel compressor blades.

pecifications (AL-7F)

jetspecs

type=Afterburning turbojet
length=
diameter=
weight=
compressor=9-stage axial compressor
combustion=
turbine=
fueltype=
oilsystem=
power=
thrust=
*67.1 kN (15,075 lbf) military power
*98.1 kN (22,050 lbf) with afterburner
compression=9.5:1
aircon=
turbinetemp=860 °C (1,580 °F)
fuelcon=
specfuelcon=98.9 kg/(h·kN) (0.97 lb/(h·lbf))
power/weight=
thrust/weight=

ee also

* Lyulka AL-21


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