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    Melting iron sand with MOT transformers


    by RODALCO2012

    Piha iron sand was melted with 2 MOT's in parrallel. Some water was added to trigger the conduction process. Very quickly the sand becomes red hot and forms iron - slug type rods which are fully conductive.
    Mains current varies between 7 and 40 Amps at 240 Volts 50 Hz.
    The unloaded MOT voltage is 2100 Volts which drops to a couple of 100 Volts at 3 to 4 Amps. The MOT's heat up quickly under those conditions, so the testruns are short to avoid windings burning out.

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