Shugart 800-8 media centering problem

Jay Jaeger cube1 at
Sat Aug 15 13:42:03 CDT 2015

On 8/15/2015 12:32 PM, tony duell wrote:

>> Not so on these drives.  On the Shugart SA-800 series, the spindle
>> (driven by a belt from a motor) has a MALE cone on the end, and the
>> clamp, from above goes around it (female if you like).
> How does that work? The disk media must fit around that male cone. Is the
> complete disk carried by the clamp arm or something? I need to find one
> of these drives to examine.

Yes, the clamp arm has the media guides.

> Seems like an odd way to do it. The metal cone is not going to change in
> diameter. So the hole in the media has to just fit it, if too tight the media
> will be distorted, if too loose it won't centre.


> -tony

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