In this long episode we compare & contrast 2 modern inverter welders to a older transformer machine.

0:00:00 Intro
0:02:53 Book learning: whats a transformer
0:07:14 Book learning:inverter vs transformer
0:25:14 Visual inspection of a transformer machine
0:41:07 Visual inspection of a inverter
0:48:16 The quality of the welds
0:52:56 Lets test the efficiencies between the two
1:01:15 What is power factor
1:08:10 Test results
1:15:15 Conclusion