Does anyone/museum test disk packs?

[Bill Gunshannon]

On 3/17/22 09:33, Chris Zach via cctalk wrote:
> Modern disks still have a filtration system and airflow within the disk. 
> Air usually gets sucked from the edge then through the spindle and out 
> the center. In this case I think the spinning created a lower pressure 
> area where the heads were, resulting in the heads flying too low.
> 
> I'll re-look at the RL02 but I believe air was not pulled in from 
> outside but recirculated from behind the heads under the unit to the 
> center spindle where it came out, into the center of the pack and across 
> the heads. Closed system when the lid was closed.

No RL disk I ever had closed tight enough to be considered a Closed
System with lid down.  :-)

bill