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change in hp affect on dc motor speed

Discussion in 'Electronic Basics' started by [email protected], Dec 14, 2005.

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  1. Guest

    I recently had a bad 2hp treadmill motor replaced. For some reason the
    replacement motor is 2.5hp. There is a noticeable difference in the
    treadmill speed with the new motor. For example, when I set the
    treadmill to 4 mph the speed according to my rough calculations is now
    a little over 3 mph with the larger motor.

    Is this the result that would be expected if the control board is set
    up for a smaller motor or should the larger motor be the same or even

    Sorry for the basic questions, I am just trying to be informed when I
    call the technician about the problem with the repair that was made.

    Thanks in advance,

  2. Rich Grise

    Rich Grise Guest

    Either the motor has an intrinsically different running speed than the
    one that it replaced, or the service tech had to change the belt
    pulley for some physical mounting reasons.

    I'd say, at this point, if you insist that life itself isn't already
    enough of a treadmill, either ask the tech to recalibrate your MPH
    readout, or use whatever it was you used to make the above observation,
    and do the conversion on the fly, in your head, to get some exercise
    at the top simulteneously. :)

    Have Fun Treading!
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