Cordless Drill

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Intro

  • Brushless motor has electronics tronic commutation istead of brushes. It is more efficient and longer life than brushed.
  • Lithium ion + brushless motor are state of art - [1]

Batteries

  • NiCd batteries are less environmentally friendly chemistry
  • But Lithium is a scarce resource
  • Comparisons n of bats - [2]

Geared Motor, not BLDC

Brushless

  • 12/24 - 3000 RPM - [4]
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