Futaba BLS173SV S.Bus2 Programmable Mini Servo  [BLS173SV]

Futaba BLS173SV - HV S.Bus2 Programmable Mini Air Servo
Price:
£108.35
Brand:
Futaba
Model:
BLS173SV
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High-Precision Mini Servo: Futaba BLS173SV

The Futaba BLS173SV is a compact, programmable mini air servo that pairs a brushless motor with metal gearing for reliable, low-backlash performance. It is engineered for fine control demands in model aircraft where space is limited.

Measured Power and Fast Travel

Performance is tuned for a variety of battery voltages, offering usable torque and swift movement. At 7.4V the servo delivers 106 oz-in (7.63 kg-cm) and completes 60 degrees in 0.10 sec, suitable for precise control tasks. Dual bearings provide secure rotation and reduced play under load.

Specifications

  • Modulation: Digital
  • Torque: 6.0V: 86 oz-in (6.19 kg-cm), 6.6V: 94 oz-in (6.77 kg-cm), 7.4V: 106 oz-in (7.63 kg-cm)
  • Speed: 6.0V: 0.12 sec/60°, 6.6V: 0.11 sec/60°, 7.4V: 0.10 sec/60°
  • Weight: 0.99 oz (28.0 g)
  • Dimensions: Length: 1.30 in (33.0 mm), Width: 0.59 in (15.0 mm), Height: 1.06 in (27.0 mm)
  • Motor Type: Brushless
  • Gear Type: Metal
  • Rotation/Support: Dual Bearings

The Futaba BLS173SV is well suited to pilots seeking a compact servo with programmable features and robust internals for dependable in-flight control.

Will the BLS173SV handle continuous aerobatics

Its metal gears and brushless motor are designed to tolerate spirited flying, though correct installation and avoiding excessive binding will prolong service life.

Do I need a separate programmer for setup

You can program many S.Bus2 functions using a compatible Futaba transmitter, but a dedicated programmer or PC interface can simplify advanced configuration if required.

What size control horns suit this servo

Choose a horn that provides the desired throw while keeping mechanical advantage reasonable; smaller horns increase effective torque but reduce range of movement.

Are replacements parts available for wear items

Spare arms and screws are often available from Futaba dealers. For gear or motor issues, consult authorised service channels to ensure correct parts and repair procedures.

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