Before I even think about messing around with stuff like oval chucks () I'd like to have the ability to slow my Delta Midi lathe down below 500 RPM.
One possibility I thought of is the [Conversion kit for TCLPRO, Jet & Delta] sold by Penn State Industries. But the description says
Variable speeds 650-3800*Going UP to a minimum speed of 650 RPM is not exactly what I had in mind.... Does anyone out there have experience with this conversion kit? Are there "factors" that can decrease the minimum speed?
* Speed ranges may vary subject to lathe and setup
Alternately, does anyone have experience with other conversion approaches? I've heard about using treadmill motors and the like, but don't know much about it.