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UAV ,,Stršljen“ Ultra Light Helicopter

The „Stršljen“ light UAV helicopter for autonomus Monitoring with flight speed for maximum endurance 4 hours with 240 l of fuel . Integrated autopilot system provides all automatic and stabilizing modes. The frame of helicopter follows a modular layout and designed from carbon fiber, steel and aluminium. It will be equiped with various air to surface missiles as well as 12.7 mm cannon.

PERFORMANCE

  • Maximum speed: 180 km/h
  • Cruising speed: 160 km/h
  • Rate of climb: 8 m/s
  • Altitude: 4000 m
  • Autonomy: 3.5 h (200 l
  •  4 h (240 l fuel)

BASIC DATA

  • Length: 6,75 m
  • Height: 2,65 m
  • Width: 1,8 m
  • Empty weight: 400 kg
  • Gross weight: 750 kg
  • Useful payload / fuel + armament /: 350 kg
  • Fuel capacity: 200 l (normal)
    •            240 l (max)

Engine - Phoenix-250

  • Maximum power: 230 kW
  • Specific fuel consumption: 0.43 kg/kWh
  • Compressor pressure ratio: 6
  • Air flow: 1.25 kg/s
  • Turbine inlet temperature: 1 300 K
  • Gas generator speed: 62 000 rpm
  • Free turbine speed: 40 000 rpm
  • Output shaft speed: 6 000 rpm
  • Weight: 65 kg
  • Engine length: 720 mm
  • Width and depth (without exhaust): 425 mm x 390 mm