Found this:
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http://www.simpits.org/In left column click Engineering; then Stick
Yahoo! Groups doesn't have much.  I sifted through what they did have, through Links and messages for leads.  Found this sim building group. 
Next step will be Delphi Forums and Google.
I am looking for guys that get into the guts of what makes joysticks work and the modeling involved to produce a prototype, not so much into production molds and such boring, mundane stuff.
If you guys have sources, please share.