So have set up for turning the O D to 1" at the muzzle and breech at 1.220" for 2" in from the end, this is for the tulip bit that has the receiver threads and then tapers down to 1.150". To set the barrel for taper turning, first the barrel is set to run on centre and the muzzle is turned to size required, 1", set up D T I in tool post and set say 0.04 mm on the breech end, then move to muzzle 1" area and move tailstock over till you get the same setting ,so it will cut strait from 1" back to nothing at 2.5" in from the breech end. The problem with turning a long shaft on the lathe is the middle bit want`s to acted like a wet noodle and chatter like poo, so to stop this I tried a spring on the tool post wrapped around the barrel, seam`s to have stop most of it. , Homebrew.357.
, Muzzle turned to 1". , Breech end set on centre, with drive. , spring around barrel to stop chatter. , I diden`t know if it would work, but it did, nice rats tail swarf coming of.
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