floppy media failure - test-drb@ccmp.vtda.org

13 Apr 2007

...
 From: "Dave Dunfield" <dave06a at
dunfield.com>

 Thinking about it some more, the
 loading of the head against the surface on both sides is almost  certainly
  critical, so this wouldn't work :( 
I've often wondered if one could make up a drive with less head pressure,
possibly using some additional electronics to clean up the signal - I've
had a few systems come in where people wanted the data recovered, and
they've been suffering from the "circular rings of death". Never explored
the idea further. 
Hi
If you spin it fast enough, you could us a hard disk head. You might
need a way to keep it flat such as a porous surface with a vacuum.
Or maybe float it like the bernulli ( sp? ) drives did.
You couldn't run it that fast in the envelope.
Dwight

...

Regarding Als idea of reading the disk backward - It would be a fairly
simply matter to make up a version of ImageDisk which reads from the
inside out.

Dave

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