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  • Futaba BLS257 mid size Servo AU Australia
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Futaba BLS257 mid size Servo

Shipping Weight:
135.00 Grams
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Product Description

the Futaba BLS257 Brushless Mini Helicopter Tail Servo. The BLS257 was designed as a 4.8V rudder servo for 3D helicopter applications. This servo offers 30% faster response, with the same power consumption as digital servos that use standard brushed motors.

NOTE: When using this servo with the GY520, you must change to the correct mode in the gyro software. 


  • Brushless motor - At least FIVE TIMES longer-lasting than brushed servos
  • 30% faster response times
  • Greater resistance to jolts and vibration
  • Smoother operation
  • Same power consumption as brushed digital servos
  • Same compact case size as standard servos
  • Exceptionally durable gear train
  • Smooth dual ball bearings and strong Samarium Cobalt magnets


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

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