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Thread: Futaba steering servo choice

  1. #1
    Join Date
    Mar 2015
    Location
    FL
    Posts
    39

    Default Futaba steering servo choice

    Hi all, I am on choosing a good Futaba servo for my S-BUS2 install in my new pursuit hull. I have narrowed it down to 2 choices but I am not sure which one is best for the boat and racing. My main goal is not loose control or have any kind of servo stall when turning at high speeds.

    BLS371SV S.Bus2 HV ProgrammableServo

    FUTM0151>> Tech Notes
    Volts Torque Speed
    4.8 176 oz-in (12.6 kg-cm) 0.16 sec/60°
    6.0 219 oz-in (15.8 kg-cm) 0.13 sec/60°
    6.6 239 oz-in (17.2 kg-cm) 0.12 sec/60°
    7.4 264 oz-in (19 kg-cm) 0.10 sec/60°
    Motor Modulation Programmable
    brushless digital S.Bus2
    Dimensions Weight
    1.57 x 0.79 x 1.45 in
    (40.0 x 20.0 x 36.8 mm) 2.22 oz (63.0 g)
    HV 2BB MG
    Applications *Preferred
    cars electric, gas*
    boats yacht*, elec/gas*

    BLS471SV S.Bus2 HV Programmable Servo

    FUTM0155>> Tech Notes
    Volts Torque Speed
    4.8 127 oz-in (8.5 kg-cm) 0.11 sec/60°
    6.0 158 oz-in (11.4 kg-cm) 0.09 sec/60°
    6.6 174 oz-in (12.5 kg-cm) 0.08 sec/60°
    7.4 192 oz-in (13.8 kg-cm) 0.07 sec/60°
    Motor Modulation Programmable
    brushless digital S.Bus2
    Dimensions Weight
    1.57 x 0.79 x 1.45 in
    (40.0 x 20.0 x 36.8 mm) 2.01 oz (57.0 g)
    HV 2BB MG

    I am leaning toward BLS471SV because it has the speed, but the BLS371SV has more torque, what would be best on water during racing conditions?

    Thanks,

  2. #2
    Join Date
    Oct 2013
    Location
    la
    Posts
    8,724

    Default

    Are you dead set on futaba?
    32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) was

  3. #3
    Join Date
    Mar 2015
    Location
    FL
    Posts
    39

    Default

    I will be using the SBUS-2 for sensors and their servos seamed a logical choice minimize wiring. Are there issues with Futaba BLSxxxSV servos?

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