Futaba BLS153 Brushless Mini Air Servo

Tower Stock# LXWYU5  •  Manufacturer Stock# BLS153
Futaba BLS153 Brushless Mini Air Servo (large view)
Notes from our tech department:
This is the Futaba BLS153 Brushless Mini Digital Servo
for Aircraft Usage.


Mini size for applications where space and weight are at a premium
At least five times longer lasting than brushed servos
Nylon gears
Dual ball bearings and Samarium cobalt magnets
Smoother operation and greater resistance to jolts and vibration
Same power consumption as brushed digital servos
One year limited warranty through manufacturer beginning at date of


Futaba BLS153 Servo with 0.83" (21mm) round horn, 1.2" (32mm) six
point horn, 1.5" (39mm) four point horn, four rubber grommets, four
eyelets, four 1.5 x 12mm mounting screws and instruction sheet


Installing in aircraft, connecting linkage and connecting to receiver


Power Supply: 4.8V - 6V NiCd battery only
Speed: 0.15 sec/60 @ 4.8V
0.12 sec/60 @ 6V
Torque: 76.4 oz-in (5.5 kg-cm @ 4.8V)
97.2 oz-in (7.0 kg-cm @ 6V)
Size: 1.40 x 0.6 x 1.1" (35.5 x 15 x 28.6mm)
Weight: 0.92oz (26g)


For full performance of digital servos use them only with FM, PCM and
FASST systems. Do not use digital servos with AM systems.

jxs 9/25/09
updated jpg 5/14/13

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