Futaba S9151 High-Response Digital Rudder Servo for F3A  [S9151]

Futaba S9151 Servo Digital Rudder
Price:
NZD$141.33
Brand:
Futaba
Model:
S9151
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Futaba S9151 Designed for Precise Pattern Flying

The Futaba S9151 digital servo is crafted for fixed-wing F3A pattern models where tight control is essential. It combines compact dimensions and strong torque to help pilots hold accurate heading and execute precise rudder moves.

Performance Features to Trust

Digital processing inside the S9151 improves command follow-through and reduces lag between stick input and surface movement. The coreless motor architecture yields fast, smooth shaft rotation, while dual ball bearings on the output shaft reduce wear and maintain efficient power transfer.

Specifications

  • Dimensions: 41mm (L) x 20mm (W) x 38mm (H)
  • Weight: 50g
  • Speed: 0.19 sec/60° @ 4.8V
  • Torque: 132 oz/in (9.5 kg/cm) @ 4.8V
  • Power Supply: 4.8V (Not recommended for use with 6V)

The Futaba S9151 is a solid choice for flyers who need repeatable, high-torque rudder performance without adding unnecessary weight to their pattern ship.

It can be used where the radio supports mixing, but make sure the signal source provides the correct neutral and that the servo wiring and current limits are compatible.
Keep bearings free from dirt and check for play. If bearings feel rough, consider a careful clean or replacement to avoid excess strain on the motor.
Yes, adjust end points and expo in your transmitter to refine throw and sensitivity. Small changes can greatly improve precision without stressing the servo.

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