Joe Wagner is:
[email protected]
Send him an email and he'll send you the particulars.
Joe's plans were reviewed and verified by George Aldrich. Joe has lots of notes and facts included on his plans. The plan includes both the Chief and Super Chief versions.
Briefly, if I understand it correctly, the original "Polywog" Chief was designed by Hi Johnson based on Bob Palmer's Go Devil. It may have been redesigned by Bob Palmer later.
Jow Wagner redesigned the Chief to remove the polywog wing and also created a super-light version named Super Chief that flew in the 1950 nats.
Well, here are a couple of the notes from Joe's plans:
George