Futaba S9157 High Torque Digital Servo - Competition Grade  [S9157]

Futaba S9157 Digital Hi-Torque Servo
Price:
CAD$192.55
Brand:
Futaba
Model:
S9157
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Futaba S9157 Competition-Grade Servo for Precision Control

The Futaba S9157 Digital Hi-Torque Servo pairs a coreless motor with dual ball bearings to give smooth, responsive movement for serious RC pilots. It is engineered for larger competition aircraft and heavy-duty model applications where dependable control is required.

Performance and Cooling Design

This servo features a metal middle case to help dissipate heat during extended runs. Rated at 425oz-in (30.6kg/cm) of torque at 6V, the S9157 handles high-load control surfaces, while its 0.14 sec/60° speed at 6V ensures sharp, accurate positioning.

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

For pilots looking for a durable, high-torque servo for competitive flying or advanced scale models, the Futaba S9157 combines strength, speed, and reliable construction to meet demanding control needs.

The S9157 is specified at 6V for its torque and speed figures. Use a stable regulated supply or BEC that can maintain around 6V under load to achieve the published performance.
Yes. With its high torque rating and solid construction, this servo is a good match for large control surfaces on competition scale models and heavy-duty sport aircraft.
Allow airflow around the metal middle case and avoid enclosing the servo in tight, unventilated compartments. Using metal or composite mounting rails that conduct heat away can also help during long flights.

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