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  1. #1
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    Reputation: Gawain Tomlinson's Avatar
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    Two motors, one controller

    I have a heavy duty utility trailer that I do almost all of my grocery shopping with. On a big shopping day I can haul up to 100 pounds in the trailer. I live in a part of San Diego that has some steep hills. I would like to put a motorized assist on the trailer.

    I considered using a go-cart or lawn tractor differential, but that would be a pain to implement with live axles and all that.

    It would be far easier to just buy two 20" pre-motorized wheels. My question is, can two motors be wired in parallel on one controller? I would just wire the second motor to run in the opposite direction. If the motors have sensors, I would only connect one set of sensors.

    Attached is a drawing of what I have in mind. Never mind the details of the controllers. I am agnostic about controllers as long as I can make it work.

    Two motors, one controller-dual-motors.jpg

  2. #2
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    The simplest way would be to connect 2 DC motors in series.

  3. #3
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    Reputation: Bigwheel's Avatar
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    A bike by any other name is still a bike.

  4. #4
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    eFat Good Idea. Assures torque balancing between the two motors. Thanks
    Last edited by Gawain Tomlinson; 1 Week Ago at 03:33 PM. Reason: Specify which comment I am responding to

  5. #5
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    Bigwheel, Thanks. A ton of good information.
    Last edited by Gawain Tomlinson; 1 Week Ago at 03:34 PM. Reason: Specify which comment I am responding to

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