Re: magnetically quenched gaps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

Those strong magnets are only in the old low density large size hard drives.
The newer ones dont have them. You are correct they are real strong magnets.
    Robert  H
> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Tue, 07 May 2002 18:19:19 -0600
> To: tesla-at-pupman-dot-com
> Subject: Re: magnetically quenched gaps
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Tue, 7 May 2002 19:01:29 -0600
> 
> Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <ka1bbg-at-webryders-dot-net>
> 
> Hi, you can find potent rare earth magnets in hard drives. i just took a
> commercial hard drive apart and there were 4 awesome strong magnets and
> quite large. I had to use a pry bar to get them apart. be careful!! one of
> my friends put one on a finger jokingly and then started to scream it took 4
> rescue workers to remove the magnet(he was in dyer agony for 7 minutes!)the
> finger is ok but the shape will never be the same. cul brian f.
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Tuesday, May 07, 2002 10:25 AM
> Subject: Re: magnetically quenched gaps
> 
> 
>> Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <rheidlebaugh-at-zialink-dot-com>
>> 
>> edmond scientific carries a large assortment of rair earth magnets, but
> old
>> speakers are a much better price. Magnitron magnets are small not 100 mm.
>> Robert  H
>> 
>>> From: "Tesla list" <tesla-at-pupman-dot-com>
>>> Date: Mon, 06 May 2002 21:06:02 -0600
>>> To: tesla-at-pupman-dot-com
>>> Subject: Re: magnetically quenched gaps
>>> Resent-From: tesla-at-pupman-dot-com
>>> Resent-Date: Tue, 7 May 2002 00:08:50 -0600
>>> 
>>> Original poster: "Mr Gregory Peters by way of Terry Fritz
>>> <twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>
>>> 
>>> Robert,
>>> 
>>> Please let me know how it goes. I wouldn't have thought "normal" magnets
>>> would be strong enough for this purpose. I think rare earth magnets are
>>> needed. However, if "normal" magnets will do, you can get some pretty
>>> decent ring magnets from microwave oven magnetrons.
>>> 
>>> Cheers,
>>> 
>>> Greg Peters
>>> Department of Earth Sciences,
>>> University of Queensland, Australia
>>> Phone: 0402 841 677
>>> http://www.geocities-dot-com/gregjpeters
>>> 
>>>