Futaba BLS257 High-Response Brushless Rudder Mini Servo  [BLS257]

Futaba BLS257 Brushless Heli Rudder Mini Servo
Price:
NZD$184.99
Brand:
Futaba
Model:
BLS257
Condition:
Brand New
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Sharper rudder control with the Futaba BLS257 brushless servo

The Futaba BLS257 Brushless Heli Rudder Mini Servo is designed for precise 3D work where quick response counts. It achieves about a 30% gain in response versus regular digital servos, keeps power use similar to brushed counterparts, and the brushless motor offers roughly five times the operational life.

Main advantages of the BLS257

  • Brushless Motor: Built for extended durability and steady performance.
  • Fast Response: Approximately 30% faster response to help with tight 3D moves.
  • Efficient Power Use: Power consumption comparable to brushed digital servos for easy integration.

What you get in the kit

  • Universal connector for plug-in convenience
  • Round horn (0.83" diameter)
  • 6-point horn (1.2" diameter)
  • 4-point horn (1.5" diameter)
  • Mounting screws, eyelets, and grommets

Specifications

  • Torque: 36 oz-in (2.6 kg-cm) @ 4.8V
  • Speed: 0.07 sec/60°
  • Size: 1.4 x 0.6 x 1.1 inches (35.5 x 15 x 28.6 mm)
  • Weight: 0.92 oz (26g)

If you need repeatable, quick rudder inputs and a component that lasts through heavy use, the Futaba BLS257 is a dependable choice for 3D pilots.

Yes, its fast response and reliable output suit precision disciplines, but fine-tune gyro and endpoint settings for the specific model and pilot preference.
Use the supplied screws, eyelets, and grommets to isolate vibration; check alignment and secure the horn to avoid slop in the control linkage.
Brushless servos need less regular maintenance than brushed types, but inspect mounts, linkages, and wiring periodically for wear and secure connections.
Yes, set endpoints and subtrim on your transmitter to match throws and neutral before flying for predictable control behavior.

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