Futaba S9250 High-Torque Coreless Helicopter Servo  [S9250]

Futaba S9250 Servo Digital Heli
Price:
AUD$146.66
Brand:
Futaba
Model:
S9250
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Futaba S9250 - Fast coreless servo with metal gearing

The Futaba S9250 digital servo delivers quick, dependable control for helicopter and fixed-wing pilots. It combines a coreless motor and dual ball bearings for responsive movement, while metal gears provide the strength needed for heavy loads and repeated use.

Core Strengths of the S9250

  • Coreless Motor: Improves acceleration of the output shaft for sharper control changes.
  • Metal Gears: Durable gear train designed to withstand frequent use and impacts.
  • Dual Ball Bearings: Ensures consistent shaft alignment and reduced play.
  • High Speed: Capable of .11 sec/60 degrees at 4.8V for swift corrections.
  • Dust and Water Resistant: Protective features to handle varied outdoor conditions.

Specifications

  • Speed: .11 Sec/60 Degrees (4.8V)
  • Torque: 76 oz/in (5.5 kg-cm) (4.8V)
  • Weight: 1.9 oz (54 g)
  • Power Supply: 4.8 Volts
  • Dimensions: 1.6" (41mm) x 0.8" (20mm) x 1.5" (38mm)

With a balance of speed, torque and a sturdy gearset, the Futaba S9250 is a solid option for pilots wanting reliable control in challenging flight routines.

Yes, its speed and torque make it a candidate for tail applications on many helis, but always confirm size and mounting fit before installation.
Upgrading to a lightweight aluminium horn can improve precision and reduce flex; ensure the replacement matches the spline and mounting pattern of the servo.
Regularly inspect linkages and seals, avoid exposing the servo to prolonged moisture, and monitor gear and bearing wear during routine checks.

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