Originally Posted by markhas
If you ever been to a Machine Tool Show you may have seen the Hardinge Lathe exhibits where they are running actual parts. These demos are seldom reproduceable on real factory floors because of the hundreds of hours that go into fine tuneing the operations. this guy has probably done this several dozen times with the same wheels and can now do it in his sleep, unlike you and me who will bust our nuts on the first half dozen tyre changes.
Point well-taken, but if you scroll back just a little bit, you will see a video from an inmate who was brave enough to record himself on his first time using this tool. All things considered, I thought it looked pretty easy.