This is the Futaba S3157 Digital High Speed/High Torque Micro Servo
with Universal Connector.
Ideal for small electric planes and helicopters
Futaba S3157 Digital High Speed/High Torque Micro Servo with
.71" x .79" (18mm x 20mm) 4 arm servo horn (pre-installed)
0.79" x 1.6" (20mm x 40mm) 4 arm servo horn
0.79" (20mm) diameter round horn
Installing in aircraft, connecting linkage and connecting to
Torque: 21 oz-in (1.5 kg-cm) @ 4.8V
24 oz-in (1.7 kg-cm) @ 6.0V
Speed: 0.10 sec/60° @ 4.8V
0.09 sec/60° @ 6.0V
Size: 0.9 x 0.4 x 0.9" (22 x 11 x 23mm)
Weight: 0.29 oz (8.3g)
Not for use with gasoline powered models, large models or other
models that require high torque.
Using voltage higher than 6.0V or applying high load to the servo
will shorten its life.
Always 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.