On Tuesday 03 April 2018 09:31:48 Marius Liebenberg wrote: > There's a saying "It is not over until the fat lady sings" now for us > here it reads "It's not over until Andy has chipped in his bit". Just > to keep us all on our toes and in line. Thanks Andy, very useful > information and it just serves to make one feel confident from the > start that you are not wasting your money on another failed attempt at > building a special machine. > +1000. And I don't say it often enough myself. Thank you Andy.
[...] > >My Rivett lathe is good for 1600rpm and has similar bearings. Your > >bearings look smaller, and therefore can go faster. > > > >The internet says: > > "Depending on material max shaft speed 1.25 to 5m/s > >(non leaded bronzes, up to approx 2.5m/s)" > > > >If the shaft is 25mm dia then 2.5m/s = 31 rps = 1900rpm. > > > >(the extremes give 950 to 3800 rpm.) > > > >-- > >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 > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
