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D-30KP

Bypass Turbojet with Increased Gas Temperature at Turbine Inlet

The drawing release for new engine D-30KP with 12 000 kgf thrust for military transport aircraft Il-76 was completed by the end of the 60s. In 1971, Il-76MD with the propulsion unit on the basis of four D-30KP was demonstrated to the country’s leaders. In 1972 it passed the state tests and then was presented to the public at the nearest international air show in Le Bourget (France). In 1974 the engine was put into service to power not only military Il-76 itself, but also its numerous modifications: tanker plane Il-78, “aircraft-hospital” Il-76MD Scalpel, early warning and control aircraft A-50, weightlessness simulator Il-76K, airborne test rig Il-76LL for in-flight tests of the aircraft engines, and others.

Turbojet bypass engine D-30KP was in many ways similar to its predecessor D-30KU. The engine had a high gas temperature at the turbine inlet, increased compressor pressure ratio and bypass ratio.

Powered by the propulsion unit comprising four engines D-30KP, Il-76 is capable of running up to cruise speed of 900 km/ hr.

It should be noted that passenger liners (long-haul Il-62, medium-haul Tu-154) which originally had been equipped with Kuznetsov’s engines, were in five or seven years reequipped with more efficient engines of Pavel Solovyov’s design. For military transport Il-76, its chief designer Genrikh Novozhilov chose Solovyov’s D-30KP to power the plane from the very start.

D-30KP evolved into D-30 KP of the second series which provided for preserving the takeoff thrust at a higher ambient temperature. Special engines D-30KP-L were developed in Perm for weightlessness simulator (Il-76).

The development of the Il-76 military transport airplane was recognized with the Lenin Prize. Pavel Solovyov, the chief designer of the engine, was also awarded with the Lenin Prize, and the team of the Perm Experimental and Design Bureau was awarded with the First Prize of the USSR Council of Ministers.

D-30KP engines were manufactured in the city of Rybinsk (Yaroslavl region) at Rybinsk Engine Production Plant (now NPO UEC-Saturn). The D-30KP engines production continues nowadays. More than 4700 D-30KP engines have been manufactured in total.

General Characteristics
Application
Memorable Dates

SPECIFICATIONS

Takeoff mode Н=0, М=0, ISA
Thrust, kgf	12000
Maximum gas temperature at inlet, K	1427
Cruise mode Н=11 km, М=0.8, ISA
Thrust, kgf	2750
Specific fuel consumption, kg/kgf hr	0.7
Corrected air consumption, kg/s	279
Bypass ratio	2.36

Fan diameter, mm	1455
Weight with reverser, kg	2640

Military transport/ cargo carrying aircraft Il-76MD/TD

For today, Russia has a wide-ranging fleet of transport aircraft. However, for more than 40 years Il-76 powered by the D-30KP engines has been the main Russian air “truck”. This unique winged machine delivers 90% of emergency shipments of the RF Ministry for Emergencies, and plays a key role in humanitarian programmes, including operations in natural disaster areas and UNO cargoes delivery.

The development of this unique aircraft which was originally meant for replacing the An-12 military transport aircraft, started in the late 60s. Following the research and development work, the engineering proposal was issued for creating aircraft Il-76 with the D-30KP bypass engines.

The Il-76 prototype experienced its first flight in March of 1971. The state tests were completed in 1974. Several modifications of the engine were produced in series which differed in their purpose and some of the flight parameters, mostly flight distance. This parameter was guaranteed by the D-30KP engines - the most efficient engines of that time.

At the beginning of the 70s, tanker aircraft Il-78 was developed on the basis of military transport aircraft Il-76MD, for the long-range aviation of the USSR Ministry of Defense. The plans were to use it for replacing outdated tankers ZMS-2 and ZMN-2. Il-78 was capable of servicing up to three flying airplanes of different modifications or quick delivering of fuel to the airfield for maneuvers.

Other modifications of Il-76 were: long-range early warning and control aircraft A-50 that was first delivered to military units in 1084, a fire fighting aircraft, a hospital aircraft with three medical modules on board (pre-surgery, surgery and intensive care unit), an airplane for testing aviation engines and others.

There were more than 950 airplanes Il-76 manufactured including all modifications.

March 25, 1971

The first flight of military transport aircraft Il-76 powered by four Perm turbojet bypass engines D-30KP, crew team headed by E.I. Kuznetsov. The first domestic military transport jet airliner.

August 8, 1972

Completion of the state tests of the D-30KP turbojet bypass engine developed for Il-76 by the Perm Experimental and Design Bureau

May 5, 1973

The first flight of serial military transport aircraft Il-76 with four D-30KP turbojet bypass engines, crew team headed by A.M. Tyuryumin, Tashkent Aviation Production Plant n.a. Chkalov.

March 24, 1978

The first flight of the modified military transport aircraft Il-76M powered by four D-30KP turbojet bypass engines, crew team headed by S.G. Bliznyuk, Tashkent Aviation Production Plant n.a. Chkalov.

March 6, 1981

The first flight of modified military transport aircraft Il-76MD powered by four D-30KP turbojet bypass engines, crew team headed by V.S. Belousov, Tashkent Aviation Production Plant n.a. Chkalov.

May 5, 1982

The first flight of modified military transport aircraft Il-76TD with four D-30KP turbojet bypass engines, crew team headed by N.Z. Zakharov, Tashkent Aviation Production Plant n.a. Chkalov.

June 25, 1983

The first flight of modified tanker aircraft Il-78 with four D-30KP turbojet bypass engines, crew team headed by V.S. Belousov, Tashkent Aviation Production Plant n.a. Chkalov.

January 28, 1993

The first flight of modified fire fighting aircraft Il-76MD with four D-30KP turbojet bypass engines, crew team I. R. Zakirov, Tashkent Aviation Production Plant n.a. Chkalov.

January 11, 2003

The first flight of modified tanker aircraft Il-78MKI with four D-30KP turbojet bypass engines, crew team headed by D.A. Komarov, Tashkent Aviation Production Plant n.a. Chkalov. V.S. Belousov, Tashkent Aviation Production Plant n.a. Chkalov.