Futaba S3155 HS Slim Wing Servo Digital  [S3155]

Futaba S3155 Digital HS Slim Servo
Price:
AUD$78.26
Brand:
Futaba
Model:
S3155
Condition:
Brand New
Write a review

Performance and Fit Notes

The Futaba S3155 is a digital high-speed slim servo intended for wing-mounted control surfaces on compact gliders and small electric models. Its slim profile and robust metal gears make it a practical choice where installation depth is constrained.

Account for the servo's peak current when planning power distribution. Use wiring and battery packs that can supply startup and stall currents, avoid unnecessary lead extensions, and ensure all mechanical linkages are free from binding to reduce wear and electrical stress.

Packing includes

  • One S3155 Digital High Speed Wing Servo
  • One 1" (25.4mm) 4 arm servo horn (installed on servo)
  • One 1.5" (39mm) 4 arm servo horn
  • One 1.75" (45mm) straight servo horn
  • One 1.4" (35mm) diameter round servo horn
  • Two eyelets
  • Two rubber grommets
  • Two 2x12mm washer head self-threading screws (phillips head)
  • One year warranty

Specifications

  • Item Futaba S3155 Digital High Speed Slim Wing Servo
  • Model Number S3155
  • Material Black plastic case, metal gears FUTM3331
  • Speed 0.16 sec/60° @ 4.8V, 0.13 sec/60° @ 6.0V
  • Torque 28 oz-in (2.0 kg·cm) @ 4.8V
  • Dimensions 30 x 11 x 29 mm (1.2 x 0.4 x 1.1 in)
  • Weight 20 g (0.72 oz)
  • Lead Length 154 mm (6 in)
  • Included Horns, eyelets, grommets, screws as listed in packing includes
  • Compatibility Intended for R/C systems operating at 4.8–6V, not compatible with listed AM transmitters: CONQUEST AM, FG Series (T4FG, T5FGK, T6FG, T6FGK, T7FGK), New Terratop, T3EGX, T3PGE, T2NL, T2LGX, T2FR, T2PK series

For reliable wing operation, secure a tidy mechanical installation, choose the appropriate horn from the kit to set travel and centring, and ensure your power system can sustain brief high current demands.

What are the best practices for installing the S3155 in a wing bay

Use rubber grommets and eyelets to isolate the servo from vibration, orient the servo so the lead exit is clear of hinges, and pick the horn that provides the required mechanical advantage without binding.

How do I adjust control throw and centring with the supplied horns

Begin with the pre-fitted 1" 4-arm horn for typical setups, then try the longer or straight horns to increase throw or adjust centring; make small trim changes and re-check linkage geometry.

What warranty period is included with the servo

The S3155 ships with a one year warranty covering manufacturing defects; check your retailer for details on claims and exclusions.

How does high current draw affect battery selection and runtime

Short peaks of high current at startup or under load increase battery stress and reduce runtime. Choose packs with sufficient C-rating and capacity, and keep wiring losses to a minimum for best results.

Is the S3155 a good fit for small electric jets and sport gliders

Yes—the S3155 is aimed at compact wings and small electric models; verify torque and travel requirements for your control surfaces against the servo's specifications before committing.

Copyright © 2008-2026 rcjaz.com.au All rights reserved