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  1. Outrunner

    Compression strength of posterboard best type to use

    I have 2 types of poster board that are both 1/32 inch thick shiny white on one side and is 2 ply and easy to tear by hand. The other is harder to tear by hand not sure how many plys. Tear test by hand includes with or against the grain. Would the poster board sheet thats harder to tear by hand...
  2. Outrunner

    Purpose built electromagnets drving motors?

    I mean the electromagnets are built as lifting magnets and are dounut shaped but incased in steel so that the whole is covered up.
  3. Outrunner

    Purpose built electromagnets drving motors?

    The electromagnets have a 1,000 pound holding power and are round 3" purpose built electromagnets. Could they be used to provide strong rotary motion by pushing a permanent magnet?

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