Tame your Motor - AC motor speed control simplified - Part 1, Intro + some VFD basics

Tame your Motor - AC motor speed control simplified - Part 2, understanding motor name plates

Elliott 14S Shaper - Motor refurbishment part 1, tear down, inspection and brief checks

Tool Post Grinder build - Part 4, Motor electronics

The Nitro Engine Charger - a small but powerful emergency power generator Part 1

Elliott 14S Shaper - Motor refurbishment Part 2, Star Wars

The Alba 1A Shaper goes CNC - Part1, X-axis parts and test

Cheap Chinese inverter drive (VFD) part 1 - tear down, inspection and safety check

Elliott 14S Shaper - Motor refurbishment Part 3, wires, wires, wires ....

The supercharged MIG welder - 3-phase welder + VFD = single phase welder - part 1

250kW AC Motor and Drive (vfd) initial checks and run up (engine dyno application)

Elliott 14S Shaper - Motor refurbishment Part 4, final assembly and test

Phase Converter repair + working principle explained (Transwave static, not rotary)

The $3 Buzz Box is getting a second life - Stick welder tear down, inspection and repair

DIY Phase Converter, circuit diagram, explanation and a working test setup (not rotary)

The Mystery Project #19, a fake Huanyang VFD and the first spins

TYM#3 - 60Hz AC motor in a 50Hz country and why you may want that + the worst packing job ever seen

Huanyang VFD vs No-Name Copy - tear down, a look inside and what's left out

DIY phase converter with Huanyang VFD, build, test + programming (non rotary)

Phase Converter repair ( non-rotary, old style design with current sensing coil)

Matrix #6 Milling Machine - Part 3, a water lubricated bearing and a look inside

Matrix Mill - Part 4, a stubborn motor bearing, more issues found

Washing machine motor tear down and repair, new bearings and brushes

Very dirty SSD (Parker) 590P, 725A DC Motor Drive, Ep#1 -- strip down for cleaning