Futaba BLS173SV High-Voltage S.Bus2 Mini Air Servo  [BLS173SV]

Futaba BLS173SV - HV S.Bus2 Programmable Mini Air Servo
Price:
CAD$202.45
Brand:
Futaba
Model:
BLS173SV
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Compact, High-Voltage Control with Futaba BLS173SV

The Futaba BLS173SV is a compact, high-voltage S.Bus2 programmable mini air servo built for pilots who want precise, repeatable control. Its brushless motor and metal geartrain provide smooth operation and lasting reliability in model aircraft applications.

Responsive Performance and Solid Build

This servo balances speed and torque across voltages to suit a range of setups. At 7.4V it develops 106 oz-in (7.63 kg-cm) of torque and moves in 0.10 sec/60 degrees, giving crisp control for trims and control surfaces. Dual bearings support the output shaft for added stability 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

For hobbyists fitting tight spaces who still need dependable control, the Futaba BLS173SV offers a compact footprint with robust internals suited to sport and performance aircraft alike.

How do I set up S.Bus2 functions on the BLS173SV

Use a Futaba S.Bus2 compatible transmitter or an S.Bus2 adapter to assign endpoints and travel. Follow Futaba wiring and programming steps to access advanced mixing and direction settings.

What voltage range is safe for this servo

The BLS173SV is designed for high-voltage operation; refer to the specified voltages when planning batteries. Higher voltages give faster speeds and higher torque but stay within recommended limits to avoid stress.

Can I use this servo for flaps and ailerons

Yes, its torque and quick response make it suitable for primary and secondary control surfaces on small to medium sport models. Check mounting and horn selection to match mechanical advantage.

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