Futaba BLS257 Compact Brushless Heli Rudder Servo  [BLS257]

Precise rudder response from Futaba BLS257 brushless mini servo

The Futaba BLS257 Brushless Heli Rudder Mini Servo is built to give tight, predictable control for 3D helicopter flying. This brushless unit is about 30% faster in response than typical digital servos while matching the power draw of brushed digital models, and its brushless design supports roughly five times the service life for dependable use.

Top performance highlights for the BLS257

• Brushless Motor: Improved longevity and consistent output for demanding flying.
• Fast Response: Around 30% quicker than standard servos to aid crisp maneuvers.
• Efficient Power Use: Comparable current draw to brushed digital servos for easy power planning.

Box contents and fitment

• Universal connector for straightforward hook-up
• Round horn (0.83" diameter)
• 6-point horn (1.2" diameter)
• 4-point horn (1.5" diameter)
• Mounting screws, eyelets, and grommets

For pilots wanting sharper rudder feel and lasting hardware, the Futaba BLS257 is a solid option that balances quick response with efficient power use.