[ale] Drive recovery

[Michael B. Trausch]

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James P. Kinney III wrote:
> It's amazing how effective an alternating 2T magnetic field is at
> rendering a hard drive platter _VERY_ blank.
> 
> 2 minutes at ~60Hz @ 2T. The buzzing noise is the armature vibrating
> back and forth inside the case striking the case and the platter.
> 
> Not only will this reduce the platter to a useless mass it will also
> totally destroy the electronics pack and magnetize any hints of iron
> atoms anywhere in the structure rendering the entire unit useless.
> 
> In DC mode, 2T will hold a full height drive suspended on the face of
> the magnet pole. Any body part between the drive and magnet will be
> seriously pinched. At 8", a 10" crescent wrench is pulled out of a good
> grip.
> 

That's quite interesting, actually.  I've never seen one in operation.

Heh, wow.  Well, that'd explain why it works.  :-P

	- Mike

- --
Michael B. Trausch                                     fd0man at gmail.com
Web: http://fd0man.theunixplace.com/        Jabber: mtrausch at jabber.com
Phone: +1-(678)-522-7934                  FAX (US Only): 1-866-806-4647
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