Futaba BLS251 Brushless Rudder Servo - Helicopter Upgrade [BLS251]

Futaba BLS251 Brushless Heli Rudder Servo

Price:

AUD$176.30

Brand:

Futaba

Model:

BLS251

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R/C Models - System - Servo - Standard Servos

Reliable Futaba BLS251 rudder servo for tight yaw control

The Futaba BLS251 Brushless Rudder Servo is aimed at pilots who need dependable tail precision in their helicopters. It is designed to pair with Futaba GY601 and GY611 gyros only. The brushless motor design promotes lower temperature operation and a longer usable life than conventional brushed servos.

Notable features for tail stability

Brushless Motor: Extended lifespan and reduced heat during demanding flights.
Samarium Cobalt Magnets: Help maintain consistent torque and stability.
Dual Ball Bearings: Offer smoother travel and faster response to control inputs.
Metal Gear Construction: Durable gears built for the stress of tail control.

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)

Ideal for upgrading helicopter tail systems, the Futaba BLS251 combines low-heat brushless operation with strong metal gears for consistent, long-term use.

How do I match servo end points with my gyro?

First set mechanical neutral, then use the transmitter to trim endpoints. Finally, fine-tune gyro gain to suit the BLS251 response during hover checks.

Will metal gears make the servo noisy?

Metal gears can be slightly louder than plastic, but they provide greater durability. Proper mounting and lubrication reduce unwanted noise.

Is the BLS251 suited for 3D helicopter flying?

The BLS251 offers fast speed and solid torque suitable for demanding tail control tasks, but confirm gyro and mechanical setup before aggressive 3D manoeuvres.

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