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[quote]QUOTE: Originally posted by jeffrey-wimberly These are things I really never thought about. All the years that I've worked in electronics, I've mainly worked with computers and circuit boards. I never gave motors more than a passing thought. All the motors I needed were already built into the hardware. [/quote] The motors you speak of in computers such as cooling fans, floppy, CD, DVD and hard drives are brush-less. These are even a different type all together. The one's in the DVD, hard-drive, floppy but not the cooling fan use additional electronic switchers to make them run. I just retired two years ago after 42 years in the computer industry. Both hardware and software. I really enjoyed it but enjoy retirement even more!
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