Recent content by joshman

  1. J

    Could there be an edge to the Universe?

    I would say that empty space has no limitations, and if the universe is being defined as "all matter" then yes the edge of the universe would be the furthest piece of that matter from a given center. However if space travel was advanced enough to reach that furthest piece of matter, then...
  2. J

    How does motor slipage affect fan performance with a VFD?

    Im a HVAC contractor/designer. I am looking to install a fan unit with a VFD. This is 3 phase, 60HZ, 460 volts, 40HP AC motor. Im trying to create a "system curve" like a fan curve that would show the cfms at various frequency settings being changed by the VFD. I can reiterate or...
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