The problem comes if you want 2 offset tracks say 180
drgrees out of phase
(so one is at its innerpost point when the other is at the outermost point).
Aligning the media to the offset hub accurately to do that would
be 'interesting'.
Didn't the Lisa have floppy drives with heads on opposite sides of the
spindle? :-)
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin