Sanwa ERG-WRX High-Response Digital Servo  [ERG-WRX]

Sanwa ERG-WRX Digital Servo
Price:
NZD$160.03
Brand:
Sanwa
Model:
ERG-WRX
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Sharp control from the Sanwa ERG-WRX servo

The Sanwa ERG-WRX Digital Servo is designed for modelers who want precise steering input and repeatable results. Its coreless motor reduces inertia for crisper motion and faster feedback when adjusting trim or steering gains.

Why racers choose this unit

  • Coreless Motor: Lower rotor mass yields quicker response and improved steering feel.
  • High Torque: Delivers the force needed for demanding steering corrections.
  • Digital Precision: Tight positional control and consistent travel under load.
  • Durable Build: Quality materials and construction for regular track use.

Specifications

  • Voltage: 4.8-6.0V
  • Speed: 0.09 sec/60° at 4.8V
  • Torque: 12.5 kg-cm at 6.0V
  • Weight: 55g
  • Dimensions: 40.5 x 20 x 38mm

With its blend of torque and quick response, the Sanwa ERG-WRX is a reliable choice for tuning handling and improving lap consistency. It fits well into competitive electronic packages.

Yes, when using a 2S pack the servo should be powered via a suitable regulator or BEC that keeps voltage within the servo's 4.8-6.0V range.
Check the product packaging for included horns; the servo uses a common spline compatible with standard 25-tooth servo arms.
Set mechanical endpoints first to avoid binding, then use your transmitter to fine tune travel and centre position under real driving conditions.

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