Futaba 4EX_c3 Off-Road 4-Channel FM Radio  [4EX_c3]

Price:
AUD$137.59
Brand:
Futaba
Model:
4EX_c3
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Rugged Control with the Futaba 4EX_c3

The Futaba 4EX_c3 is a reliable 4-channel FM transmitter made for demanding driving, offering clear menu feedback on its 40-segment LCD. It is built to give straightforward control and easy access to adjustments trackside or at the field.

Practical Features for Setup and Driving

The transmitter includes exponential settings for aileron, elevator and rudder to refine stick response. Wing mixing supports V-tail and elevon arrangements for varied models, and every channel has servo reversing plus end point adjustment so you can limit travel and balance steering precisely.

Specifications

  • Modulation: FM (Frequency Modulation)
  • Power Supply: 9.6V NT8S600B NiCd battery or 12V alkaline battery
  • Current Drain: 250mA

For drivers who prefer straightforward analogue radios with robust mixing and trim options, the Futaba 4EX_c3 is a sensible choice that supports a range of car setups.

Expo softens stick response around centre for smoother steering, while EPA limits the servo travel to prevent oversteer or binding. Use small increments when tuning to find the right balance.
Yes. Activate the wing mixing option, choose V-tail, and then tweak the mix rates and trims while checking movement at the servo horns. Confirm correct directions using the servo reverse function if needed.
Try fresh batteries and reposition the receiver and antenna away from high current wiring. FM is more susceptible to noise than modern spread spectrum systems, so reducing local interference sources helps.

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