Futaba S9251 Digital Servo Tailored for GY601 and GY611  [S9251]

Futaba S9251 - Digital Servo (57g/0.07sec/3.7kg)
Price:
NZD$199.96
Brand:
Futaba
Model:
S9251
Condition:
Brand New
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Responsive Control with Futaba S9251

The Futaba S9251 is engineered to interface cleanly with GY601 and GY611 gyros, providing the precise motion needed for tight helicopter handling. Its frame refresh behaviour supports predictable gyro corrections under load.

Built for Gyro Compatibility

The S9251 is identified as the compatible servo for the GY601 because of its refresh timing. Ensure you use the specified 4.8V supply to protect the gyro and preserve correct operation.

Performance Specifications

  • Modulation: Digital
  • Torque at 4.8V: 51.0 oz-in (3.67 kg-cm)
  • Speed at 4.8V: 0.07 sec/60°
  • Mass: 2.01 oz (57.0 g)
  • Size: 1.57 x 0.79 x 1.46 in (39.9 x 20.1 x 37.1 mm)
  • Motor: Coreless
  • Gears: Metal
  • Support: Dual bearings

For model builders using GY601 or GY611 gyros, the Futaba S9251 gives accurate, repeatable positioning ideal for precise flight trimming.

Is the S9251 compatible with other gyro brands?

It is designed specifically for use with the GY601 and GY611 gyros; compatibility with other gyro brands is not guaranteed without testing.

How do I avoid ground loops and noise?

Use a single clean ground point for the gyro and receiver, keep servo power leads tidy, and avoid running signal wires parallel to motor or battery leads.

What maintenance should I do?

Periodically check gear backlash, confirm bearing smoothness, and ensure connectors are corrosion free to maintain consistent performance.

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