Futaba S3155 Metal Gear Wing Servo  [S3155]

Futaba S3155 Digital HS Slim Servo
Price:
AUD$81.32
Brand:
Futaba
Model:
S3155
Condition:
Brand New
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High-Speed Wing Servo for Tight Spaces

The Futaba S3155 Digital HS Wing Servo excels in wing-mounted roles on gliders, small jets and electric sport aircraft. The compact footprint allows installation in narrow bays without compromising speed or accuracy.

Built for Longevity and Flexible Linkage Setup

This servo offers dust and water resistance but should not be used underwater. The internal metal gearing (FUTM3331) is chosen for durability under frequent use. Included horn options are a pre-installed 1" (25.4mm) 4-arm horn, a 1.5" (39mm) 4-arm horn, a 1.75" (45mm) straight horn and a 1.4" (35mm) round horn so you can set up the linkage that suits your model.

Specifications

  • Speed: 0.16 sec/60° @ 4.8V, 0.13 sec/60° @ 6V
  • Torque: 28 oz-in @ 4.8V (2.0 kg/cm)
  • Dimensions: 1.2 x 0.4 x 1.1" (30 x 11 x 29mm)
  • Weight: 0.72 oz (20g)
  • Lead Length: 6" (154mm)

Model pilots seeking a compact, fast wing servo will appreciate the Futaba S3155 for its balance of speed, size and durable metal gears.

Does this servo work with vintage receivers?

This digital servo relies on standard modern PWM signals and may not be compatible with older or non-PWM receiver systems. Check receiver output compatibility before use.

How do I avoid binding in linkages?

Ensure pushrods and connectors move freely through the full travel before applying power. Align horns and clevises to prevent binding that increases current draw and stresses gears.

What voltage gives the best performance?

The servo runs at typical 4.8V to 6V ranges; 6V yields quicker response times as per the speed spec. Use a regulated supply matched to your onboard electronics.

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