I just finished making one, and writing up how to make an expanding
ring mandrel/arbor for small lathes. If anyone wants more
clarifications, has suggestions, etc let me know and I’ll add more
info to the article. I hope it is of use to my fellow Orchidians as
I’ve gotten a lot of help from the list in the past (and will in the
"A Universal Expanding Ring Mandrel for the Small Lathe"