Futaba BLS252 High-Speed Brushless Servo for Helicopters  [BLS252]

Futaba BLS252 Brushless Helicopter Servo
Price:
NZD$179.88
Brand:
Futaba
Model:
BLS252
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Futaba BLS252: High Precision Servo for F3C Flight

The Futaba BLS252 Brushless Helicopter Servo is aimed at pilots who require precise, repeatable control in F3C flying. As a standard-size servo it features heavy-duty metal gears and dual ball bearings to reduce play and friction. It achieves approximately 30% faster response than many digital servos while keeping power draw similar to brushed models, and its brushless motor design offers about five times the service life of brushed servos.

Core Benefits and Supplied Accessories

  • Optimised for F3C: Calibrated for quick, reliable control necessary in competition flying.
  • Solid Build: Metal gear set and two ball bearings for long-lasting, smooth operation.
  • Ready to Fit: Comes with various horns and mounting screws to suit several install styles.

Specifications

  • Torque: 139 oz-in (10.0 kg/cm) @ 4.8V; 175 oz-in (12.6 kg/cm) @ 6.0V
  • Speed: 0.16 sec/60° @ 4.8V; 0.13 sec/60° @ 6.0V
  • Dimensions: 1.6 x 0.8 x 1.5 inches (40 x 20 x 37mm)
  • Weight: 2.1 oz (58g)
  • Horn Screw Size: 3x8mm

Futaba BLS252 is a practical choice for pilots upgrading to brushless servos, delivering consistent speed and extended operational life for F3C setups.

Yes, the standard form factor makes it suitable for many cyclic and tail positions that accept standard-sized servos, subject to torque needs.
Brushless servos need minimal motor maintenance; periodically inspect gears, clean around seals, and check mounting screws for security.
It runs on typical servo supply voltages; verify your system voltage matches the servo ratings and avoid exceeding recommended supply to preserve longevity.

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