Futaba BLS252 Standard Brushless Servo for F3C Helicopters  [BLS252]

Futaba BLS252 Brushless Helicopter Servo
Price:
£78.07
Brand:
Futaba
Model:
BLS252
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Futaba BLS252: Reliable Brushless Servo for F3C Pilots

The Futaba BLS252 Brushless Helicopter Servo is aimed at pilots who need consistent precision in F3C flying. It is a standard-format servo fitted with metal gears and two ball bearings to smooth operation and resist wear. The unit offers about 30% quicker response than many digital servos while keeping similar current draw to brushed models, and the brushless motor typically provides roughly five times the lifespan of comparable brushed servos.

Main Advantages and Supplied Items

  • Competition Ready: Engineered to support the speed and consistency required in F3C flying.
  • Sturdy Design: Metal gearset with dual bearings for durable, low-friction performance.
  • Full Accessory Pack: Delivered with multiple horns and the fixings needed for a variety of mounts.

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

The Futaba BLS252 is a straightforward upgrade for pilots wanting improved servo response and longevity without changing their standard installation approach.

On average it responds about 30% faster than many conventional digital servos, which helps with crisp control inputs during complex manoeuvres.
Yes, it follows the standard servo dimensions and includes mounting hardware, so it fits most frames that accept standard-size servos.
Regularly check gear mesh, mounting screws and horn tightness, and listen for unusual noise; these checks help maintain peak performance and longevity.

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