On 17 July 2017 at 15:42, Gene Heskett <[email protected]> wrote: > I saw that, and the long pipe gripped in the chuck with the huge bearing > so it all turned. The bearing is nice but $$$$$$ and not needed if the > tube is turned truly round.
I imagine that a suitable bearing could be found that would not be all that expensive, especially as you could make the tool to suit the available bearing. http://www.ebay.com/itm/280920636178 looks like it could work. And I seem to recall that rifle barrels are very rarely circular. (though in the case of that rig in the video the real problem would be the gun carriage trunnions) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
