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- <li><em>date</em>: Thu Jun 9 11:26:09 2005</li>
- <li><em>from</em>: fd0man at gmail.com (Michael B. Trausch)</li>
- <li><em>in-reply-to</em>: <<a href="msg00415.html">[email protected]</a>></li>
- <li><em>references</em>: <<a href="msg00388.html">[email protected]</a>> <<a href="msg00389.html">[email protected]</a>> <<a href="msg00411.html">[email protected]</a>> <<a href="msg00413.html">[email protected]</a>> <<a href="msg00415.html">[email protected]</a>></li>
- <li><em>subject</em>: [ale] Drive recovery</li>
- Hash: RIPEMD160
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
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<ul><li><strong>References</strong>:
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<li><strong><a name="00388" href="msg00388.html">[ale] Drive recovery</a></strong>
<ul><li><em>From:</em> tfreeman at intel.digichem.net (tfreeman at intel.digichem.net)</li></ul></li>
<li><strong><a name="00389" href="msg00389.html">[ale] Drive recovery</a></strong>
<ul><li><em>From:</em> fd0man at gmail.com (Michael B. Trausch)</li></ul></li>
<li><strong><a name="00411" href="msg00411.html">[ale] Drive recovery</a></strong>
<ul><li><em>From:</em> greg.freemyer at gmail.com (Greg Freemyer)</li></ul></li>
<li><strong><a name="00413" href="msg00413.html">[ale] Drive recovery</a></strong>
<ul><li><em>From:</em> fd0man at gmail.com (Michael B. Trausch)</li></ul></li>
<li><strong><a name="00415" href="msg00415.html">[ale] Drive recovery</a></strong>
<ul><li><em>From:</em> jkinney at localnetsolutions.com (James P. Kinney III)</li></ul></li>
</ul></li></ul>
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