The Progress D-18T (or Lotarev D-18T) is a
high-bypass turbofan
The turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft engine, aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan": the ''turbo'' portion refers to a gas turbine engine which ac ...
that powers the
Antonov An-124 Ruslan
The Antonov An-124 Ruslan (; russian: Антонов Ан-124 Руслан, , Ruslan; NATO reporting name: Condor) is a large, strategic airlift, four-engined aircraft that was designed in the 1980s by the Antonov design bureau in the Ukrain ...
and
An-225
The Antonov An-225 Mriya ( uk, Антонов Ан-225 Мрія, lit=dream' or 'inspiration; NATO reporting name: Cossack) was a strategic airlift cargo aircraft designed and produced by the Antonov Design Bureau in the Soviet Union.
It was or ...
large freighters.
Design and development
The engine was developed in the second half of the 1970s by the then Soviet
Ivchenko-Progress
Ivchenko-Progress ZMKB ( uk, Запорізьке машинобудівне конструкторське бюро «Прогрес» ім. О.Г.Івченка, ''Zaporizhzhia Machine-Building Design Bureau "Progress" State Enterprise named af ...
design bureau.
[ It is manufactured by the ]Motor Sich
The Motor Sich Joint Stock Company ( uk, АТ «Мотор Січ») is a Ukrainian aircraft engine manufacturer headquartered in Zaporizhzhia. The company manufactures engines for airplanes and helicopters, and also industrial marine gas turbi ...
factory in Zaporizhzhia
Zaporizhzhia ( uk, Запоріжжя) or Zaporozhye (russian: Запорожье) is a city in southeast Ukraine, situated on the banks of the Dnieper, Dnieper River. It is the Capital city, administrative centre of Zaporizhzhia Oblast. Zapor ...
, Ukraine
Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...
. It was the first engine in the USSR that could deliver more than 20,000 kgf (~196 kN or ~44,000 lbf) of thrust.
The first start of a full-scale engine occurred on September 19, 1980, the An-124 maiden flight on December 24, 1982 and the engine passed official bench tests on December 19, 1985.
An upgraded 3M version was developed to reduce emissions and increase the life of the hot section to 14,000 h, and is introduced on An-124
The Antonov An-124 Ruslan (; russian: Антонов Ан-124 Руслан, , Ruslan; NATO reporting name: Condor) is a large, strategic airlift, four-engined aircraft that was designed in the 1980s by the Antonov design bureau in the Ukraini ...
s of Antonov Airlines
Antonov Airlines is a Ukrainian cargo airline, a division of the Antonov aviation company. It operates international charter services in the oversized-cargo market. Its main base is Hostomel Airport near Kyiv. In the aftermath of the Battle o ...
.
Currently 188 D-18T engines are in operation with a total flight time of over 1 million hours.
Incidents
In March 2020 Ukrainian authorities ordered a one time inspection of all D-18T engine intermediate pressure compressor disks following an uncontained engine failure
A turbine engine failure occurs when a turbine engine unexpectedly stops producing power due to a malfunction other than fuel exhaustion. It often applies for aircraft, but other turbine engines can fail, like ground-based turbines used in power ...
. Inspections were required to be carried out within six months. On 13 November 2020 a Volga-Dnepr Airlines
Volga-Dnepr Airlines, LLC (russian: ООО «Авиакомпания «Волга-Днепр») is an airline based in Ulyanovsk, Russia. It specializes in providing air charter services by operating a unique fleet of twelve Antonov An-124 Rusl ...
An-124 had an uncontained failure of the inboard left (number 2) D-18T engine.
Applications
* Antonov An-124
The Antonov An-124 Ruslan (; russian: Антонов Ан-124 Руслан, , Ruslan; NATO reporting name: Condor) is a large, strategic airlift, four-engined aircraft that was designed in the 1980s by the Antonov design bureau in the Ukrain ...
* Antonov An-225
The Antonov An-225 Mriya ( uk, Антонов Ан-225 Мрія, lit=dream' or 'inspiration; NATO reporting name: Cossack) was a strategic airlift cargo aircraft designed and produced by the Antonov Design Bureau in the Soviet Union.
It was ...
(destroyed 2022)
Specifications (D-18T)
See also
References
External links
D-18T Series 3 Turbofan Aero Engine - SE Ivchenko-Progress
*
{{Ivchenko aeroengines
Ivchenko-Progress aircraft engines
High-bypass turbofan engines
1980s turbofan engines
Three-spool turbofan engines