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Recent content by steviemuk

  1. S

    Large motor start up

    I did make a PWM driver that I found instructions for, worked fine on 5 batteries- 60V but that was not quite fast enough and could not handle 72V I've tried...
  2. S

    Large motor start up

    The power supply is 6 leisure batteries, I did consider a resistor bank but I don't want to waist any energy if I can help it. The load is the propeller of a 12 foot boat. I can't find a solenoid or contractor that rated high enough "using RS Components".
  3. S

    Large motor start up

    I'm looking for the simplest way to start a large DC brushed motor on pressing a foot pedal. The motor is rated at 72v, pulling 30 Amps under load but pulling over 60 Amps at start up. I've fried several cheap relays and mosfets trying different soft start set ups and spark arrest component I've...
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