Futaba BLS251 Precision Helicopter Rudder Servo [BLS251]

Futaba BLS251 Brushless Heli Rudder Servo

Price:

CAD$163.94

Brand:

Futaba

Model:

BLS251

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R/C Models - System - Servo - Standard Servos

High precision Futaba BLS251 rudder control for helicopters

The Futaba BLS251 Brushless Rudder Servo is built for pilots who want tight, reliable tail authority. It is intended specifically for helicopter rudder use and is compatible only with Futaba GY601 and GY611 gyros. The brushless motor design reduces heat and extends the service life compared with standard brushed units.

Core features for dependable tail response

Brushless Motor: Provides longer operational life and lower temperature under load.
Samarium Cobalt Magnets: Improve consistency and holding power for precise inputs.
Dual Ball Bearings: Reduce friction for smoother movement and quicker response.
Metal Gear Construction: Robust gearing suited to high-stress tail applications.

Specifications

Torque @ 4.8V: 53 oz-in (3.8 kg-cm)
Speed @ 4.8V: 0.06 sec
Dimensions: 1.6 x 0.8 x 1.5" (40 x 20 x 36.8mm)
Weight: 2.1oz (59.5g)

Well suited as an upgrade for hobby pilots seeking a durable, low-heat rudder servo, the Futaba BLS251 gives consistent control for precision tail tuning.

What gyro units are supported by this servo?

This unit is designed to work with Futaba GY601 and GY611 only; other gyros are not supported by the manufacturer.

Which battery types work best with the BLS251?

Use high-discharge NiMH or LiPo packs that can supply steady current under servo load to maintain speed and torque.

How do I maintain the metal gears?

Inspect for wear periodically, keep the gear train free of debris, and replace gears if you notice excessive play or noise to protect the brushless motor.

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