I have now made many changes to improve the system and to optimize operation at 48 volts and 43 KHZ.
In this video, I re-test several ferrous workpieces and all of the non-ferrous workpieces that I have tried in the past to see if they react any differently at this lower frequency. At the end, I forge a couple of ferrous test pieces.
To see the Excel spreadsheet that I used to document much of this run, go to the March 31st entry that is down toward the bottom of this page:
https://spaco.org/Blacksmithing/ZVSInductionHeater/1000WattZVSInductionHeaterNotes.htm
Post time: Jun-22-2017