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  • Magnetic formulas wanted

    Greetings,newbie here.Working on my own little project idea.I am in need of some formulas to continue and am hoping some of u know them or know where i can find them or who i should be talking to.
    #1 The force a magnet has on repulsion to another object like a similar magnet ie North facing north on each-the differences between the different types of magnets ie ceramic to alnico forces etc
    and i am looking for this in terms of pounds per square inch at what distance?
    so for example lets say u have an alnico magnet 1 inch thich and 2 inch diameter facing another the exact same with a .125 inch spacing between them what is the force in pounds per square inch pushing away from each other?
    same senario but using now an alnico mag and a ceramic mag?
    #2 the same formulas but using coils electromagnetcs
    I hope some of u can picture what i am asking here as i am lousy at explaining things but i can get clear pictures in my mind of how its done.
    thanks
    Andre

  • #2
    Hello Andre,

    Look over this site. They have quite a bit of support.
    https://www.kjmagnetics.com/calculator.asp

    bistander

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    • #3
      formulas partly found

      Yes thanks I found the site on a search but they didnt have the conversion from Teslas or Gauss to pounds per square foot or pounds per square inch
      also is the neodynium magnet the strongest available in the world?
      I found a book on google on electromagnetics but it wouldnt let me down load it.Appreciate the effort on ur part thanks.

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      • #4
        Iv'e been searching for years. i guess corporate America doesn't like the little guy knowing things.
        all i know my fried said it takes 14.8 lbs force to equal 1 kilowatt of power but then again i am working on the Figuera device but i'm sure it still applies.
        right now N52's are the highest retail magnet, their is higher but i doubt you'll get em. besides electromagnets can be made as strong or stronger with very little money or effort.
        Last edited by marathonman; 08-28-2016, 11:52 PM.

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        • #5
          Force & power

          Originally posted by marathonman View Post
          Iv'e been searching for years. i guess corporate America doesn't like the little guy knowing things.
          all i know my fried said it takes 14.8 lbs force to equal 1 kilowatt of power ...
          Force and power are two different things so you cannot equate 14.8 pounds force to one kilowatt.

          If you have 14.8 pounds of force acting on an object at 3000 feet per minute the resulting power is 1.0 kilowatt.

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