Tag Archives: 8 mm

Spot Welder AC

This AC spot welder uses a low voltage with very high current.

I made this as I thought I may need something to make joins for use in a vacuum that may get red hot. Epoxy and plain or silver soldering would not do. It uses a 6 V 90 A transformer and is able to spot weld a variety of mostly thin metal sheets.
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Marinov Motor

Marinov motor bearing

For a morning diversion from my other projects, I made a Marinov motor. This is a motor that is simply two ball races and an axle.
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