Futaba BLS275SV S.Bus2 High-Voltage Heli Servo

Tower Stock# LH6995  •  Manufacturer Stock# BLS275SV
Futaba BLS275SV S.Bus2 High-Voltage Heli Servo (large view)
Notes from our tech department:
This is the Futaba BLS275SV HV SB2 Servo for Heli Usage.


Brushless motor
Water protected
Hybrid (titanium/metal) gears with two ball bearings
Programmable and compatible with S.Bus and S.Bus2 systems
High voltage handles extra speed and power provided by 2S LiPo
One year limited warranty through Hobby Services beginning at date of


BLS275SV HV SB2 Servo with 1.4" (35.5mm) Round Horn, 1.5" (39mm)
four point Horn, 1.2" (31.5mm) six point Horn, four each; Screws
Grommets, and Eyelets
Instruction Sheet


6.0V 6.6V 7.4V
Torque: 172oz-in 189oz-in 211oz-in
(12.4kg-cm) (13.6kg-cm) (15.2kg-cm)
Speed: 0.09 sec/60 0.08 sec/60 0.07 sec/60
Dimensions: 1-5/8 x 13/16 x 1-1/2" (41 x 21 x 38mm)
Weight: 2.7oz (77g)
Rated Voltage: DC 6.0 - 7.4V
Operating Voltage: DC 4.0 - 8.4V

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 02/28/14

See Tower Catalog page 164.
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