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dc motors questions

Discussion in 'Electronic Basics' started by [email protected], Apr 16, 2007.

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  1. Guest

    I am working on an electric skateboard project, and am having trouble
    with a few things.
    I have 2 12V motors rated at 10,000 rpms so I am assuming they are
    series wound. I am wondering if it's possible to wire these motors in
    series so that I can use a 24v speed control, which is really
    inexpensive on ebay. Also, most of the 24v controllers use a Hall
    effect throttle, but can that be used on a motor that doesn't have
    hall effect sensors? I picked up these motors at American Science &
    Surplus for 7 bucks each, I've connected them to a 12v battery and
    they run great, but now I need to control the speed. I'm not the
    brightest guy around but I'm not quite stupid either...
    Any help is appreciated.

  2. My guess would be permanent magnet field. Do the cases
    attract a screw driver with a permanent magnet field, when
    the motors are unpowered?
    It might well be possible. But if they don't turn at the
    same speed, they will not divide the total voltage, equally.
    That is not necessarily a bod thing, since they will
    produce nearly equal torque. This acts sort of like two
    wheels connected by a differential gear.
    I am not familiar with a hall effect throttle.
  3. It might be easier to reconfigure the controller to 12 volts. Or buy the
    right thing from or similar.
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