Futaba S3115 Micro Precision Servo

Tower Stock# LXNCV8  •  Manufacturer Stock# S3115
Futaba S3115 Micro Precision Servo (large view)
Regularly Purchased Together
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.

Notes from our tech department:
This is the Futaba S3115 Micro High Torque Servo.
This servo replaces the Futaba S3101 Servo.
This servo can produce high-current draw from your batteries.
If using NiMH or LiPo batteries, make sure they are capable
of delivering sufficient amps.


Ideal for electric planes and small electric helis
Nylon gears
One year warranty


Futaba S3115 Micro High Torque 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)


Installing in aircraft and connecting to receiver


Torque: 39 oz-in (2.8 kg-cm)
Speed: 0.15 sec/60
Dimensions: 1.1 x 0.5 x 1.2" (1-1/8" x 1/2 x 1-3/16")(28 x 13 x 30mm)
Weight: 0.60oz (5/8oz) (17g)
Lead Length: 6.5" (165mm)


Do not use S3115 servos with gas or high power engine models, large
gliders, or other models that require high torque
Using supply voltage higher than 4.8V or applying high load to the
servo will shorten the life.
Alway use the servo horn specially designed for this servo. Do not
use conventional servo horns.
Excessive force or shock to the servo horn may damage the ultra mini
precision gears inside the servo.
For replacement gears use part number FUTM3404

jxs 11/16/06
updated jpg 9/4/07

See Tower Catalog page 163.
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