Walkera HM4#(2.4G) Beginner-Friendly 4CH Helicopter RTF  [HM4#(2.4G)]

Walkera RC Helicopter HM 4# 2.4G 4 CH Channel Set RTF
Price:
AUD$183.18
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"
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Ready-to-Fly Handling with Walkera HM4#(2.4G)

The Walkera HM4#(2.4G) RC Helicopter delivers RTF convenience combined with reliable flight characteristics. It is tailored for pilots who want a straightforward build and dependable control response.

Mechanical Layout and Serviceability

The HM4#(2.4G) uses a 90-degree swashplate configuration that simplifies assembly and maintenance. Robust control linkages and well-sized servos help deliver accurate cyclic control while keeping routine servicing quick.

Clean 2.4G Signal and Multi-Model Use

Featuring 2.4G radio technology, the system supports secure pairing and allows many helicopters to operate at the same time without interference. That capability makes it suitable for shared flying sessions and local club sorties.

Battery, Motor and Flight Duration

Powered by a 370SH motor and a 7.4V 800mAh Li-Po battery, the helicopter gives steady performance and around 10 to 12 minutes of flying per charge in typical 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

With practical build features and dependable electronics, the Walkera HM4#(2.4G) RC Helicopter is a straightforward choice for pilots building core heli skills and flying with groups.

What flight controls are included with the transmitter?

The WK-2401 transmitter provides standard 4-channel control including throttle, collective, rudder and cyclic inputs, with trims to fine tune hover and flight trim.

Do I need a special charger for the battery?

Use a Li-Po compatible charger with the correct balance lead connection and charging parameters for a 7.4V 800mAh pack. Follow manufacturer guidelines for safe charging.

How should I trim the heli for stable hovering?

Trim the sticks on the transmitter to remove drift, then adjust cyclic trims for level hover. Small adjustments at low altitude make it easier to judge correct settings.

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