https://www.youtube.com/watch?v=0WWr5mO-bOc
I found it, this video shows exactly what I asked about, and he's using a lathe like mine. Unfortunately I don't speak French, but I can see how it works.
I don't have much room in my basement shop for an engine hoist.
I am waiting for a reply from Brent at Robust as to his opinion on the applicability on his machines.