I just finshed my 11inch longworth chuck. I made it out of3\4 plywood and 1\8 ploycarbanate,hoping to hold a9or10inch bowl .have a 12 inch ricon woodfast siers lathe also teknatool precision midi chuck. I like the ricon lathe verry much works fine . have made some boxes and bowls out of yellowheart and paduck also ceder have lots of ceder southern ceder that is all around here north florida nice purple hartwood.Im 51YEARS young now G DAY Mate