Progress D-18T
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(Redirected from ZMKB Progress D-18)
| D-18T | |
|---|---|
| 300px | |
| D-18T engine installed on an Antonov An-124 "Ruslan" prototype | |
| Type | Turbofan |
| National origin | Soviet Union/Ukraine |
| Manufacturer | Motor Sich |
| Designed by | Ivchenko-Progress |
| First run | 1982 |
| Major applications | Antonov An-124 Antonov An-225 |
| Number built | 188[1] |
The Progress D-18T (or Lotarev D-18T) is a three-shaft, high-bypass turbofan engine rated at more than 20,000 kg (44,000 lb) of thrust and designed to power very large transport aircraft.
Contents
Design and development
The engine was designed by the Ivchenko-Progress Design Bureau and is manufactured by Motor Sich factory in Zaporizhia, Ukraine. It was the first engine in the USSR that could deliver more than 20,000 kgf (~196 kN or ~44,000 lbf) of thrust.
- September 19, 1980 - first start of a full-scale engine.
- December 24, 1982 - An-124 maiden flight.
- December 19, 1985 – engine passes official bench tests.
Currently 188 D-18T engines are in operation with a total flight time of over 1 million hours.
Applications
Specifications (D-18T)
Three D-18T engines on Antonov An-225 Mriya
File:Antonov An-124 en Vigo (5512499509).jpg
One of the four D-18T of an Antonov An-124
Data from forecastinternational.com[2][3]
General characteristics
- Type: Three-spool high bypass turbofan engine with a single-stage fan
- Length: 5.4 m (212.6 in)
- Width: 2.93 m (115.6 in)
- Height: 2.79 m (109.9 in)
- Fan diameter: 2.33 m (91.73 in)
- Diameter:
- Dry weight: 4,100 kg (9,039 lb)
Components
- Compressor: Seven-stage IP compressor, seven-stage axial HP compressor
- Combustors: Annular combustion system
- Turbine: Single-stage HP turbine, single-stage IP turbine, four‑stage LP turbine
Performance
- Maximum thrust: 23,430 Kgf; 229.85 kN (51,670 lbf)
- Overall pressure ratio: 27.5
- Bypass ratio: 5.7
- Turbine inlet temperature: 1,600 K (1,327 °C; 2,420 °F)
- Thrust-to-weight ratio: Approx 5.7:1
See also
- Comparable engines
- Related lists
References
External links
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