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Cordless drill power supplying scooter motor?

Discussion in 'Electronic Basics' started by John Doe, Aug 8, 2010.

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  1. John Doe

    John Doe Guest

    Does this sound right?

    drill battery and controller

    driving the drill motor
    1 amp
    full throttle
    2.8 amps

    driving the scooter motor
    1.5 amp
    full throttle
    10 amps

    What concern is there about the cordless drill speed controller
    (trigger stuff, PWM, whatever) overheating? I suppose a temperature
    monitor could be used, if necessary. I could lose the cordless drill
    controller without crying about it. Also, I am dealing with lithium-
    ion batteries, so would not want the controller failure to make the
    batteries somehow catch fire or explode?


    The cordless drill is a Bosch 36V lithium-ion hammer drill.

    The scooter motor is something like this.
    Brush DC Motor XYD-13
    3.No load: No=2600rpm±10% Io=2.5 A REF
    4.Load:T=2.2N.m Nn=2600rpm±10% In=34.0 A REF
    5.Lead wire:10AWG Black- Red+ 350±30mm Long
    6.With pitch to 6.35mm, roller diameter of 3.3mm,
    11 teeth sprocket. Motor diameter of 101mm,
    a length of 95mm.
  2. mike

    mike Guest

    completely different design objectives.
    I'd worry about continuous high load on a motor/control system
    designed for intermittent duty.

    What would you anticipate as the total "trigger down" time of a
    drill motor over the course of a year. How long would it take
    to accumulate that much time on a scooter? Do the same math for the
    peak temperature of various components.

    People used to try to use auto starter motors in electric scooters,
    but not at anywhere near their peak torque rating.
  3. John Doe

    John Doe Guest

    36V cordless drill controller
    20.1A 42VDC
    2 607 202 016
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