Quote:
Originally Posted by SuperHog
Used distilled water, not tap water.
I also re-trued the commutator with a diamond cutter on a comm lathe.
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I used to put the armature on a lathe and true the comm. I also used to solder the pole joints with silver solder after scraping away the Litzing, as relying on the folded copper tab was really silly. But that is not why the motors failed, and even after that perhaps 20% or more would not last.
I gave up on that 4 years ago.