13 Aug
2023
13 Aug
'23
4:25 p.m.
On Sun, Aug 13, 2023 at 5:20 PM Nigel Johnson Ham via cctalk
<cctalk(a)classiccmp.org> wrote:
The DEC Rainbow RX50s only have one motor :-)
{being pedantic}
No they don't. They have 2. A permanent-magnet DC motor used to drive
both spindles and a stepper motor used to position both heads.
But I will agree it is a lot more usual for a dual floppy drive to
have separate spindle and positioner motors for the 2 disks
(Actually don't the Persci dual 8" drives with voice coil positioners
have a common spindle motor and head positioner for the 2 disks?)
-tony