Futaba BLS154 Brushless Low-Profile Servo

Tower Stock# LXWYU6  •  Manufacturer Stock# BLS154
Futaba BLS154 Brushless Low-Profile Servo (large view)
Notes from our tech department:
This is the Futaba BLS154 Brushless Low Profile Digital Servo
for Aircraft Usage.


Low profile design allows the servo to fit into wings for aileron
At least five times longer lasting than brushed servos
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


Futaba BLS154 Servo with 0.83" (21mm) round horn, 1.8" (45mm) round
horn, 1.45" (37mm) 6-point horn, four rubber grommets, four metal
eyelets, four 1.5 x 12mm mounting screws and instruction sheet


Installing in wing, connecting linkage and connecting to receiver


Power Supply: 4.8V ONLY
Speed: 0.13 sec/60 @ 4.8V
Torque: 111.1 oz-in (8.0 kg-cm at 4.8V)
Size: 1.87 x 1.06 x 1.0" (47.5 x 27 x 25.4mm)
Weight: 1.76oz (50g)


The BLS154 is designed for high torque/high speed applications.
Very high current drain is normal at startup. Always use a 4.8V
NiCd battery for best performance.

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

jxs 7/27/09

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