Futaba BLS251SB S.Bus2 Helicopter Rudder Servo

Tower Stock# LH6994  •  Manufacturer Stock# BLS251SB
Futaba BLS251SB S.Bus2 Helicopter Rudder Servo (large view)
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2 for $327.68
Notes from our tech department:
This is the Futaba BLS251SB S.Bus2 Helicopter Rudder High-Speed Servo.


Brushless motor offers incredible holding power and 5X longer life
than servos equipped with brushed motors
Compatible with the Futaba CGY750, GY701, GY520, GY430, GY611 and
GY601 gyros*
Programmable and compatible with S.Bus and S.Bus2
Aluminum center case section helps to dissipate heat
One year limited warranty through Hobby Services beginning at date of


HV BLS251SB S.Bus2 Servo with Instructions and Mounting Hardware
1.8" (45mm) diameter Round Horn
1.52" (38.7mm) four point Horn
1.2" (31.5mm) six point Horn


Torque: 52.78 oz-in (3.8 kg-cm) @ 4.8V
Speed: 0.06 sec/60 @ 4.8V
Dimensions: 1.57 x 0.79 x 1.45" (40 x 20 x 36.8mm)
Weight: 2.12 oz (60 g)
Power Supply: 4.8V
Neutral Pulse Width: 760us

SBus Programmable Defaults
Dead Band Degree: 0.08
Damper Factor: 64
Stretcher Gain: 8
Boost: 10
Neutral Offset Degree: 0
Travel Adjust Percentage: 100%
Reverse (Normal/Reverse): Nor
Stop Mode (Free/Hold): Hold
Buzzer (On/Off): Off
Smoother (On/Off): On
Boost (On/Off): Off
Soft Start: 3.0


*Do not connect this servo directly to a receiver or damage will
result. This servo is compatible only with the gyros listed above.
Do not use with 1520us pulse width.

jxs 10/30/13
updated jpg 6/18/14

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