Cooling of military helicopters

The engine cooling system is sold as a kit.

It contains the following spare parts:

Connecting duct (DR2025A00)

Weight (kg): 0.55

Type: air duct

Cooler Oil cooling assy (HA2025A01)

Weight (kg): 5.9 (dry weight)

Type: air/oil exchanger

Fan, Oil cooling assy (CM2025A01)

Weight (kg): 4

Noise (dBA):

  • Acoustic pressure output: 111

Current (A): Mechanical

Flow rate (l/s): 982

Pressure (hPa): 74.6

Max. operating temperature (°C): -45/+140

Mechanical power (W): 18000

Speed regulation: Single speed

Type: centrifugal

Max. speed (rpm): 21107