Re: magnetically quenched gaps

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

Original poster: "Jonathan Peakall by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jpeakall-at-madlabs.info>

Hi All,

What about electromagnets? It seems it would be easier than using fixed
magnets. Anybody out there ever make such a unit, and if so, what where the
details?

Regards,

Jonathan Peakall
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, May 07, 2002 5:19 PM
Subject: Re: magnetically quenched gaps


> 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
> > >
> > >
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