Spot Welder from microwave - how to increase the power

How to increase capacity. Grant Thompson unique Spot Welder and trying to understand why a smaller and 220V transformers to work not so good. How to solve it.    US and Europe are different transformers.    A few more facilities improvements. Details from an old microwave oven. Previous video and Tricks:    • How To Drill Bit Sharpening      • How to pave the path to the house for the ...      • Electrical system of the house - Part 1      • REPLACE  GRINDER DISK,  if the stopper is ...      • Underfloor Heating With Warm Water      • How To Bend  Steel Pipe      • Greenhouse With Automatic Mechanical Venti...      • paving stone installation  - manhole cover      • Roof and Parapet Installation      • Roof Structure      • How to Create a Perfect  Right Angle of 90...      • MEASURING TAPE TRICKS      • Tile joints and Corners   YouTube Audio Library " Hear The Noice" John Deley and the 41 Players "Hit My Soul" Silent Partner