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Q about Deisel electric systems

  • 16-08-2009 01:37PM
    #1
    thethedev
    Closed Accounts Posts: 300 ✭✭


    So this is a weird one.
    I'm talking about the propulsion system used in deisel electric locomotives and what not.
    I want to build one for the craic. Obviously not a full sized beast of a thing but smaller say a GW of about 2000kg.
    So here are my questions about these yokes that hopefully someone can answer.

    Is there any gear reduction between the electric motor and the wheel or is it a direct drive?

    Is the power to weight ratio really ****?

    What size of a generator will I need.

    Will all motors need to be three phase to put out enough power to push this thing along at say 40mph.
    I'm assuming that electric motors have a very linear torque band so will be plenty powerful for slow pulling( though maybe not at 40mph!)

    I cant think of anymore, this is only a bit of a dream at the moment so dont expect any updates!
    Thanks


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