Restoring a 1970s bench grinder
October 2026New bearings, a coat of paint, and a surprisingly good result. The trick was a gear puller and patience.
Notes on woodworking, small electronics, and fixing things that probably should have been thrown out.
New bearings, a coat of paint, and a surprisingly good result. The trick was a gear puller and patience.
An old relay board and a microcontroller now keep the dust collector from running all night.
Some quick math on load, screw spacing, and why French cleats keep winning.