How are magnets used?

Discussion in 'HO Scale Model Trains' started by prodigy2k7, Dec 24, 2006.

  1. prodigy2k7

    prodigy2k7 Member

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    Give me everything on magnets, what do they do, how are they used, are they electronic, or just a hunk of metal lol...

    I know nothing of how they are used in RRs except somehow uncoupling cars
  2. Ralph

    Ralph Remember...it's for fun!

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