On 5/10/18 10:37 AM, Al Kossow via cctalk wrote: > > > On 5/10/18 9:29 AM, Paul Koning via cctalk wrote: > >> One that comes to mind is the DEC RS04. It spins at roughly 3600 rpm (a >> hair less, so obviously a 2 pole induction motor running off 3-phase 60 Hz >> power). > Vermont Research drums (model 1175B) spun at 3450 rpm 3ph 220v, The HP 2773 > on the 2000A TSB was from VR so I expect RPM > would be similar for most drums of similar diameter.
Just checked, and the LGP-30 and RPC-4000 drums are both listed as 3600 rpm