Shugart 800-8 media centering problem

[dwight]

> From: cclist at sydex.com
snip
> I believe that the earlier Micropolis 5.25" floppy drives worked the 
> same way.  I recall that when they first came out, they'd mangle the hub 
> area of a floppy because the spindle motor often had been turned off by 
> the host.  Eventually, the design was modified so that the motor spun up 
> as the drive door closed, which solved the problem.
> 
> Before that, Dysan had experimented with putting a reinforcing ring on 
> their floppies.  By the time high-density drives came out, the problem 
> had been solved so there was no need to reinforce the HD floppy hub area.
> 
> --Chuck
> 
> 
I'd always wondered why that was so.It has been handy to see which were 360K as I don't think HD everhad the donut ( maybe rare ).Dwight