Futaba BLS155 Brushless High-Torque Servo

Tower Stock# LXWYU7  •  Manufacturer Stock# BLS155
Futaba BLS155 Brushless High-Torque Servo (large view)
Notes from our tech department:
This is the Futaba BLS155 Aircraft High Torque Brushless Servo.


Designed for aircraft applications requiring high torque
Standard size
Equipped with metal gears and two ball bearings
30% faster response than standard digital servos and five times
longer lasting than servos with brushed motors
Same power consumption as brushed digital servos
One year limited warranty


Futaba BLS155 Brushless Aircraft High Torque Servo with universal
connector, (21mm) diameter round horn, 1.8" (45mm) diameter round
horn 1.2" (32mm) diameter 6-point horn, 1.5" (38.8mm) diameter 4-
point horn, mounting screws, eyelets and grommets


Installing in aircraft, connecting linkage and connecting to


Torque: 200 oz-in (14.4 kg/cm) @ 4.8V
250 oz-in (18.0 kg/cm) @ 6.0V
Speed: 0.19 sec/60 @ 4.8V
0.15 sec/60 @ 6.0V
Size: 1.60 x 0.80 x 1.50" (40 x 20 x 36.8mm)
Weight: 2.30 oz (64g)
Spline: 6 mm

jxs 6/24/09
updated jpg 4/11/13

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