Futaba BLS255HV High-Torque HV Digital Servo [BLS255HV]

Futaba BLS255HV High Voltage High Speed Servo

Price:

AUD$219.32

Brand:

Futaba

Model:

BLS255HV

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High-Torque Performance from the Futaba BLS255HV

The Futaba BLS255HV is a high-voltage digital servo engineered for tight, responsive swash plate control in flybarless CCPM helicopters. It accepts 6.0 - 7.4V input, so it pairs well with 2S LiPo power arrangements for efficient operation.

Speed and Durability Details

High Torque and Speed: Built to handle demanding swash tasks, the servo records 0.10 sec/60° at 6.0V and 0.08 sec/60° at 7.4V.
Durability: Metal gears and dual bearings reduce backlash and extend service life under heavy use.
Versatile Power Supply: Designed for 6.0 - 7.4V DC, compatible with common 2S LiPo setups used in many helicopter builds.

Installation Tips

Fitting is straightforward: plug into the receiver, set your end points and subtrim, then fit the supplied horns and screws to match your swash geometry. The included hardware covers most typical mounting needs.

Specifications

Speed: 0.10 sec/60° at 6.0V, 0.08 sec/60° at 7.4V
Torque: 147.2 oz/in (10.6 kg/cm) at 6.0V, 166.7 oz/in (12.0 kg/cm) at 7.4V
Size: 1.57 x 0.79 x 1.45" (40 x 20 x 36.8mm)
Weight: 2.12oz (60g)
Power Supply: 6.0 - 7.4V DC

If you need a compact servo with fast timing and a sturdy gearset for regular heli flying, the Futaba BLS255HV is a strong candidate.

Is the BLS255HV suitable for aggressive 3D flying?

The servo's speed and torque ratings make it suitable for spirited cyclic inputs, but ensure your entire control setup is rated for 3D loads and check linkages regularly.

How do I reduce play in the swash setup?

Use the included horns, set end points and subtrim precisely, and use ball links or bearing-equipped linkages to minimise slop in the control system.

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