Futaba 4YF_c1 Precision 4-Channel FM Radio System with S3003 Servos  [4YF_c1]

Futaba 4YF 4-Channel FM 40MHz/ R136F/ 3xS3003
Price:
CAD$138.12
Brand:
Futaba
Model:
4YF_c1
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Precise RC Handling with Futaba 4YF 4-Channel FM System

The Futaba 4YF_c1 4-Channel FM Radio System brings dependable signal fidelity and smoother servo action to your RC car setup. The package includes three S3003 ball bearing servos for consistent response across steering and throttle duties, while the R127DF dual conversion narrow-band FM receiver helps reduce interference for steadier control.

Control Features and Hardware

  • All-channel servo reversing to suit custom installations and servo orientations.
  • Power and servo reverse switches placed to avoid accidental changes during use.
  • Battery meter with LED indicators for quick status checks before running.
  • Spring-loaded trainer toggle switch for fast disable when needed during practice sessions.
  • Knurled gimbal tops improve stick grip and reduce thumb slip under hard inputs.

Specifications

  • Transmitter Modulation: FM
  • Power Requirement: 9.6V NiCd battery
  • Current Drain: 180mA
  • Receiver Narrow Band: 20kHz
  • Intermediate Frequency: 1st IF: 10.7MHz, 2nd IF: 455kHz
  • Receiver Power Requirements: 4.8 to 6.0V
  • Servo Speed: 0.23 sec/60° at 4.8V, 0.19 sec/60° at 6.0V
  • Servo Torque: 44.3 oz-in (3.2kg-cm) at 4.8V, 56.8 oz-in (4.1kg-cm) at 6.0V

A practical choice for hobbyists upgrading older gear, this system delivers predictable FM performance and smoother servo movement for tighter control and easier setup.

The Futaba 4YF_c1 pairs well with a wide range of 1/10 scale and similar RC cars that accept FM receivers and standard servo connectors.
Use a 9.6V NiCd pack as specified for stable transmitter operation; ensure cells are in good condition to avoid voltage drops during a session.
Yes, the system accepts standard servo sizes so you can swap in higher torque or metal-geared servos if you need more performance.
The R127DF dual conversion design improves selectivity and reduces interference, which helps maintain a steady signal in environments with other transmitters nearby.

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