Re: magnetically quenched gaps

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

Original poster: "Dave Leddon by way of Terry Fritz <twftesla-at-qwest-dot-net>" <leddon-at-attbi-dot-com>

This guy had some success:

http://www.tfcbooks-dot-com/writings/experime.htm
Check out fig. 4.

At 07:58 AM 5/8/02 -0600, you wrote:
>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
>> > >
>> > >