On 11/28/19 7:06 AM, David Kuder via cctalk wrote:
  I've tried using the 8" drives as 8"
drives with the clock input to the
 8272 set correctly, and likewise with the 720KB 3.5" emulator (and even
 360KB 5.25" emulation).  On physical and virtual disks I'm getting the same
 error trying to read or write data. Formatting steps through all the tracks
 without error, and I can see a write status indicator on the GoTek
 display... 
You'd likely be better off with the 1.44MB or 1.2MB emulator, as 8"
disks used the 500KHz clock rate, not the 250KHz of the 360/730K.
FWIW,
CHuck