Walkera HM4#(2.4G) Performance 4CH RC Helicopter  [HM4#(2.4G)]

Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF
Price:
£95.14
Brand:
Walkera
Model:
HM4#(2.4G)
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alt="Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF" title="Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF"
alt="Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF" title="Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF"
alt="Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF" title="Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF"

Controlled Flying with Walkera HM4#(2.4G)

The Walkera HM4#(2.4G) RC Helicopter is built to deliver controlled, predictable flight in a compact package. It is suitable for pilots sharpening hovering and basic aerobatic skills while remaining straightforward to operate.

Swashplate and Control Precision

The model's 90-degree swashplate arrangement keeps the drivetrain tidy and serviceable, while quality servos provide stable control inputs needed for clean cyclic movement. The total weight of 267g with the battery keeps responsiveness high.

2.4G Spectrum and Multi-Unit Operation

With modern 2.4G radio implementation, the Walkera HM4#(2.4G) enables secure binding and allows many helicopters to operate at once without signal conflict, making it suitable for group flying days.

Thrust Source and Expected Endurance

Powered by a 370SH motor and a 7.4V 800mAh Li-Po battery, the helicopter achieves steady lift and control, delivering around 10 to 12 minutes of flight time depending on throttle use and conditions.

Specifications

  • All-up Weight: 267g (Battery included)
  • Servo: Weight 9.1g / Speed 0.12sec/60°(4.8V) / Torque 1.1kgf.cm / Dimension 22.5*11.8*27mm
  • Receiver: RX-2421
  • Gyro: Built-in
  • Battery: 7.4V 800mAh Li-Po
  • Transmitter: WK-2401
  • Tail Rotor Diameter: 146 mm
  • Main Rotor Diameter: 485 mm
  • Overall Length: 480 mm
  • Tail Motor: 1220FE33
  • Drive Motor: 370SH

For pilots who want a compact, reliable RTF heli, the Walkera HM4#(2.4G) combines straightforward maintenance and predictable handling that supports steady progression of flying skills.

It is a good match for beginners moving beyond tiny coaxials and for intermediate pilots who want a small heli to practise steady hovering and basic 3D moves.
Store the battery at partial charge when not in use, avoid deep discharges, and use a balance charger rated for 7.4V packs to maintain battery health over many cycles.
The unit includes a built-in gyro calibrated for stable flight out of the box. For advanced tuning, refer to the manual and adjust trims or transmitter settings as required.
Check blade condition, ensure all screws are secure, confirm control surface movement is correct, verify bind status and that the battery is charged before each session.

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