On Sun, Aug 22, 2021 at 02:02:45PM -0700, David Christensen wrote: [...] > What is "BLDC"? Brushless (electric) DC motor [1]. Back Then (TM ;-), to turn an electric motor around you had to switch around the magnetic field in the coils at (about) the right time. This was accomplished by sliding contacts (aka "brushes") on a sectioned cylinder. These days you use silicon magic (aka electronics to accomplish the same thing. I say "back then" above, but there seem to be design parameters which still favour brushes. My reasonably recent power drill still has brushes. Cheers [1] https://en.wikipedia.org/wiki/BLDC - t
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