VK-2500
This engine is used to power the Mi-28N and Ka-52 helicopters as well as upgrading the Mi-14, Mi-17, Mi-24, Mi-28, Ka-32, Ka-50 and Ka-50-2 helicopters.
The turboshaft is a higher-power upgraded version of widely known TV3-117VMA turboshaft. It is one of the world’s best turboshafts as regards its fuel efficiency and weight performances.
Profound experience in mass-producing and operating the base engine along with applying an up-to-date control system have enabled to raise operating performances and ensure high dependability and extensive service life. |
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Main advantages of the engine:
- low specific fuel consumption;
- low weight-to-power ratio;
- high reliability;
- long service life;
- high maintainability;
- high repairability;
- steady operation in harsh dust and smoke conditions;
- possibility of long-lasting maritime operation;
- sustaining constant power at high ambient temperatures in the mountainous terrain.
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Basic specifications:
2.5-minute power rating, with one endine
inoperative (OEI) (SLS, ISA +15°C) |
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| Power, shp (kW) |
2700 (1985) |
| Takeoff power condition (SLS, ISA +15°C) |
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| Power, shp (kW) |
2000* (1470) ... 2400 (1764) |
| Specific fuel consumption, kg/hp•h (kg/kW•h) |
0.220(0.299) ... 0.210 (0.286) |
| Cruise power condition (SLS, ISA +150C) |
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| Power, shp (kW) |
1500 (1103) ... 1750 (1287) |
| Dry weight, kg |
295 |
*System of engine automatic control gives the possibility of adjusting the takeoff power as follows:2,400; 2,200 and 2,000 hp (depending on the engine application).
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Applicability
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