> > From: Paul Koning <paulkon...@comcast.net> > To: Chris Zach <c...@alembic.crystel.com>, "cct...@classiccmp.org" > <cct...@classiccmp.org> > Subject: Re: Looking for VAX6000 items > > A number of the large disk drives use 3 phase motors; RP04/5/6 are > examples as well. > > Three phase motors won't run on single phase power without help from run > capacitors. (There is no such thing as "two phase power" -- 220 volts is > single phase, balanced.) > > paul >
The RP06 uses 220VAC single phase motors for the spindle and blower. I converted an RP06 from three-phase to single-phase to use with PDP-10 KS10 at home. Instructions are here: https://sites.google.com/site/mthompsonorg/Home/pdp-10/rm03-and-rp06-information/rp06 -- Michael Thompson
