SR21:
This video compares the VIC illustrations of the following:
Figure 9 of Patent # 5149407 (1992)
and
Figure 3-23 of WFC424 (1995)
Comparatively they look the same, but upon close inspection you will see discrepancies in the winding directions --- this is key to understanding the technology. In my upcoming videos, my new VIC Matrix Switcher allows for testing of all wiring configurations on-the-fly. It's a GAMECHANGER.
Waveform is key. Winding phase (direction) has to be right. Period.
BONUS
The Wind-O-Matic is back in action with even more betterness!