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sabertooth 2x32 /2x60 batteries alternative?

Discussion in 'Electronic and hardware generally' started by Wagnard, May 21, 2017.

  1. Wagnard

    Wagnard Well-Known Member Gold Contributor

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    Hi,
    As the subjet say, is there an alternative for the 12v batterie required for the regenerative current from the sabertooth?
    It is quite annoying to have heavy batteries like these on the simulator.

    I heard of voltage clamp resistors, anyone tried?
    • Winner Winner x 1
    Wagnard, May 21, 2017
    #1
  2. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    I never had any issues with regenerative current, i use PSUs only. Though tested a Diode years ago for testing purposes, it works ;). But beware the specs of the Diode (max. current), it will be blown away in no time if too weak.
    • Useful Useful x 1
    Pit, May 21, 2017
    #2
  3. BlazinH

    BlazinH Well-Known Member

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    When using 2x60's a battery is recommended more to assure there is enough available current than for regenerative purposes but a battery is not always needed. Not as big of a deal on 2x32's that are easier to power.
    • Informative Informative x 1
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    BlazinH, May 22, 2017
    #3
  4. Wagnard

    Wagnard Well-Known Member Gold Contributor

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    I also heard hat If I do not use a battery, than it is possible that it will be the motor eating the regenerative current and it could heat up the motor.
    I guess i'll have to test (when/if) I get one.
    Thanks for your knowledge everyone.
    Wagnard, May 22, 2017
    #4
  5. SilentChill

    SilentChill Problem Maker

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    The sabertooths 2x32's come supplied with resistors to take the regenerative current so you don't need a battery, however with the 2x60's you will need a battery as BlazinH says for the extra Amp's and also the regen current.
    SilentChill, May 22, 2017
    #5
  6. mariano68

    mariano68 Active Member

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    If I remember correctly, you changed your server psus for led psus because the regenerative current tripped out your psus constantly, same is happening to me, and the resistors that same with the sabertooth are not helping much, did you tried using a battery instead before changing the psus? I'm using 24v and it is not easy to get big enough 24v psus here.
    mariano68, May 23, 2017
    #6
  7. SilentChill

    SilentChill Problem Maker

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    I could not stop them tripping out even with a battery so I got the new LED PSU's never had a problem since
    • Like Like x 1
    • Informative Informative x 1
    SilentChill, May 23, 2017
    #7
  8. Evan Rowlands

    Evan Rowlands EMR Industries

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    im not running anything just a 12volt 30amp power supply could this explain the shaking of one motor after half an hours use ? even with the pc off it still shakes
    Evan Rowlands, Jul 9, 2017
    #8
  9. gigi

    gigi Active Member

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    Hallo can you please show me wich l'ex psu you use? I need one For my sabertooth 2x32 and 90zyt motors 23A 40A peak 12v
    Why you choose led psu instead server psu?
    gigi, Jul 14, 2017
    #9