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  1. sciengr

    Building a mini battery operated refrigeration system

    Hello.  My name is dennis McGlumphy and I'm an electrical engineer.  I have some experience in refrigeration.  Electrically speaking, refrigeration is very inefficient, so you need to know how much wattage is required to choose the proper battery.  If size and weight are a factor, you may want...
  2. sciengr

    Magnetic permeability of steel at high temperatures

    My name is Dennis McGlumphy, and am an electrical engineer.  I'm looking for any information on the magnetic permeability of steel for temperatures from 60 deg. F to 2400 deg. F.
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