I uploaded the file section sets of drawings and building data
Odds it same or almost same in files here for free.
My self I try putting free how to on HMT
The site did not want free?
Next ok copyright put price on how The site only wanted one person (book on single to three phase) . But Amazon and Google books did take the book. FYI the key parts I did post here for free on phase converter.
https://www.homemadetools.net/
davesmith1800