Futaba S9250 Coreless High-Speed Helicopter Servo  [S9250]

Futaba S9250 Servo Digital Heli
Price:
CAD$135.34
Brand:
Futaba
Model:
S9250
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Futaba S9250 - Coreless speed and rugged metal gears

The Futaba S9250 digital servo is built to give tight, responsive control for RC helicopters and fixed-wing models. It uses a coreless motor and dual ball bearings to reduce lag and deliver precise movements, while metal gears add durability for routine and demanding flight use.

Performance Highlights for the S9250

  • Coreless Motor: Faster shaft response and improved efficiency under load.
  • Metal Gears: Hardened gearing for long service life and reliable impact resistance.
  • Dual Ball Bearings: Smooth output shaft rotation for accurate control inputs.
  • High Speed: .11 sec/60 degrees at 4.8V for quick surface changes.
  • Dust and Water Resistant: Sealed features to cope with common field 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)

For pilots wanting crisp cyclic and tail response, the Futaba S9250 balances speed and torque with a durable build suited to serious RC flying.

A regulated 6V source can be used carefully, but the servo is specified for 4.8V operation. If using higher voltage, ensure voltage spikes are managed to avoid stressing the electronics.
Check pushrod alignment and clearance through the full throw, secure the servo firmly to the frame, and test for free movement before powering up to reduce drag and wear.
Gears are replaceable on many servos of this class; check parts availability and follow manufacturer guidance for disassembly and replacement to retain gear alignment and bearing condition.

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