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A comment on 600 Watt, 3d-printed, Halbach Array, Brushless DC Electric Motor [video]. Parent comment

Re:600 Watt, 3d-printed, Halbach Array, Brushless DC Electri... by viggity on Friday May 12, 2017 @11:58AM (#14325103)
that would be a huge tap. the motor looks to be about 4-5" wide. you'd need a $500+ tap for that, no?
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Re:600 Watt, 3d-printed, Halbach Array, Brushless DC Electri... by HeyLaughingBoy on Friday May 12, 2017 @05:11PM (#14327963)
Probably not tapped, but single-pointed on a lathe or thread milled: https://en.wikipedia.org/wiki/Threading_(manufacturing)#Sing...
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