Futaba S9157 Digital Hi-Torque Servo - Precision Control  [S9157]

Futaba S9157 Digital Hi-Torque Servo
Price:
NZD$239.31
Brand:
Futaba
Model:
S9157
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Futaba S9157 Servo Built for Heavy-Duty RC Use

The Futaba S9157 Digital Hi-Torque Servo uses a coreless motor and dual ball bearings to deliver smooth, reliable actuation for serious hobbyists. It is aimed at larger models and competitive setups that demand precise, repeatable motion.

Durability and Motion Accuracy

The unit includes a metal middle case to aid heat dispersion under continuous load. With 425oz-in (30.6kg/cm) of torque at 6V and a speed of 0.14 sec/60° at 6V, the S9157 provides the strength and quickness needed for high-demand control tasks.

Specifications

  • Torque: 425oz-in (30.6kg/cm) @ 6V
  • Speed: 0.14 sec/60° @ 6V
  • Dimensions: 1.6 x 0.8 x 1.5" (41 x 21 x 37mm)
  • Weight: 2.5oz (71g)
  • Horn Screw Size: 3x8mm

The Futaba S9157 is a strong choice for pilots who need a dependable servo with high torque and quick response for advanced model builds and competitive flying.

Which linkages work best with this servo?

Use robust metal or quality composite linkages with correct 3x8mm horn screws to fully utilise the S9157's torque without introducing flex or slop.

Can I use this servo in electric boats or cars?

While intended for aircraft, the torque and construction make it suitable for large electric boats or scale cars that require strong steering or actuator performance, provided mounting and cooling are managed.

What maintenance keeps the servo reliable?

Check linkages and horn screws for tightness, ensure the casing is free of debris, and avoid prolonged stalled conditions to preserve gear life and motor health.

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