Futaba BLS256HV Precision Gyro Rudder Servo  [BLS256HV]

Futaba BLS256HV - High Voltage High Speed Servo
Price:
CAD$191.85
Brand:
Futaba
Model:
BLS256HV
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Precision Tail Servo for Gyro Tuning

The Futaba BLS256HV is a high voltage, brushless servo built for accurate rudder control in advanced gyro setups. Rated for 2S LiPo input, this unit balances fast actuation and solid torque to refine helicopter tail behaviour during tuning and flight.

Key Performance Highlights

Thanks to its brushless motor the BLS256HV delivers quick, repeatable responses and fine micro-adjustments. High speed performance pairs with strong torque numbers to keep control consistent under load. It is designed to interface cleanly with high-end gyros to improve heading hold and tail stability.

Specifications

  • Speed: 0.055 sec/60deg at 6.6V, 0.050 sec/60deg at 7.4V
  • Torque: 61.1 oz/in (4.4 kg/cm) at 6.6V, 69.5 oz/in (5.0 kg/cm) at 7.4V
  • Size: 1.57 x 0.79 x 1.45" (40 x 20 x 36.8mm)
  • Weight: 2.15oz (61g)
  • Power Supply: 6.0 - 7.4V DC

A solid choice for experienced hobbyists aiming to dial in tail response, the Futaba BLS256HV gives reliable speed and torque for fine gyro tuning and dependable flight control.

Can I use the BLS256HV for non-gyro applications like cyclic or collective control?

While optimized for gyro rudder tasks the BLS256HV can be used elsewhere if the size and torque match the requirement. Check travel and torque needs before swapping it into a different control surface.

What battery voltage gives the best balance of speed and lifespan?

Running the servo at 6.6V to 7.4V delivers the advertised speed and torque. For longevity many flyers prefer the lower end of the range unless flight demands require max performance.

My tail jitters when idle, how can I reduce it?

Small jitter is common with tight deadbands. Verify gyro gain and endpoint settings, use a clean supply within the 6.0-7.4V range, and check mounting for any play that can amplify movement.

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