VK-2500

It is used for medium-utility helicopters. It is a version with higher power of the widely known engine TV3-117VMA.
The engine automatic control system makes it possible to adjust the takeoff power value from 2,000 to 2,400 hp (according to the aircraft, in which the engine is mounted).

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.

Basic specifications:

2.5-minute power rating, with OEI
(SLS, ISA +15°C)

Power, shp (kW) 2,700 (1,985)

Takeoff power rating (SLS)

Power, shp (kW) 2,000*(1,470) to +30°C ... 2,400 (1,764) to +15°C

Specific fuel consumption, kg/hp•h (kg/kW•h) 0.220(0.299) ... 0.210 (0.286)

Cruise power condition (SLS)

Power, shp (kW) 1,500 (1,103) tî +25°C ... 1,750 (1,287) tî +15°C

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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