Futaba S3174SV High-Voltage S.Bus2 Glider Servo  [S3174SV]

Futaba S3174SV - HV S.Bus2 Programmable Glider Servo (21.0g/0.16sec/4.3kg-7.4v)
Price:
CAD$86.79
Brand:
Futaba
Model:
S3174SV
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High-precision S.Bus2 Servo for Tow and Thermal Flying

The S3174SV is a high-voltage servo built for glider pilots who need accurate, repeatable control. With S.Bus2 programmability and a 21.0g mass, it balances light weight with responsive actuation, offering a 0.16sec/60deg speed and 4.3kg-cm torque at 7.4V to suit typical glider control surfaces.

Build Quality and Tunable Performance

Futaba's engineering gives this servo a sturdy feel and programming flexibility via S.Bus2, letting you fine tune endpoints, direction and travel to match your flight style. The robust mechanics and electrical design aim to provide dependable operation through repeated flights.

Specifications

  • Weight: 21.0g
  • Speed: 0.16sec/60deg at 7.4V
  • Torque: 4.3kg-cm at 7.4V
  • Voltage: 7.4V
  • Compatibility: S.Bus2

For glider pilots upgrading to a programmable, high-voltage servo, the S3174SV provides a good balance of low weight and precise control for trims and control surfaces.

It uses Futaba S.Bus2 for digital connection and programming. If your receiver lacks S.Bus2 you can use a standard servo lead or an adapter where appropriate.
The listed spec is 7.4V. Use a stable high-voltage supply within that range and ensure your regulator or battery can handle the servo load for reliable operation.
Yes, its light 21.0g weight makes it a good fit for smaller models where keeping nose weight low is important, while still providing adequate torque for control surfaces.

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