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My MOT spotwelder is in the DropBox
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Posted to rec.crafts.metalworking
Bob Engelhardt
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Posts: 2,473
My MOT spotwelder is in the DropBox
wrote:
.... If you're using Aluminium aim for more at least
50% more volume because of the higher resistivity.
In my references to "equivalent" copper, I used a ratio of 1.6 for the
aluminum to copper resistivity. E.g., aluminum with a cross sectional
area of 1.6 sq-in would be equivalent to copper with a 1 sq-in cross
section.
Bob
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