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Re: Random Orbital sanders and 4 1/2 inch grinders

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  • doug6949
    It is an axiom of brush motor design that brush life goes down substantially as current increases. And current increases with load. Push an already undersized
    Message 1 of 22 , Dec 9, 2007
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      It is an axiom of brush motor design that brush life goes down
      substantially as current increases. And current increases with load.
      Push an already undersized motor hard and brush life literally goes
      from hours to minutes.

      Bottom line: Bog your electric tools down and they will die quickly.
      So let the tool do the work.

      FWIW, we go through lots of 4.5" angle grinders at work. The Metabo
      holds up best and always gets stolen before wearing out.

      Doug
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