Futaba BLS177SV S.Bus2 HV UT Programmable Servo

Tower Stock# LH6993  •  Manufacturer Stock# BLS177SV
Futaba BLS177SV S.Bus2 HV UT Programmable Servo (large view)
Notes from our tech department:
This is the Futaba High Voltage BLS177SV S.Bus2 UHT
Programmable Metal Gear Servo.


Brushless motor offers incredible holding power and 5X longer life
than servos equipped with brushed motors
Ultra high torque
Handles up to 2S LiPo power
Programmable and compatible with S.Bus and S.Bus2
Dual ball bearing supported output shaft
The complete case set is aluminum to help dissipate heat
One year limited warranty through Hobby Services beginning at date of


HV BLS177SV UHT S.Bus2 Servo with Instructions and Mounting Hardware
0.83" (21mm) diameter Round Horn
1.8" (45mm) diameter Round Horn
1.52" (38.7mm) four point Horn
1.2" (31.5mm) six point Horn


Torque: 514 oz-in (37 kg-cm) @ 7.4V
Speed: 0.11 sec/60 @ 7.4V
Dimensions: 1-9/16 x 13/16 x 1-1/2" (40 x 20 x 37mm)
Weight: 2.8 oz (79 g)

SBus Programmable Defaults
Dead Band Degree: 0.36
Damper Factor: 128
Stretcher Gain: 1
Boost: 5
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

jxs 02/28/13

See Tower Catalog page 164.
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