Source for Magnet
Thomas D Arman
tdarman at us.ibm.com
Thu Apr 28 08:07:50 PDT 2005
Here in NC, Lowes Home center has rare-earth magnets in various sizes and
some super strong ones.
Also Craftsman (Sears) makes a Magnetic tool holder that looks like an 8
1/2 x 11 black plastic folded in half along the 11" dimension which
contains some VERY strong magnets.
Tom
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Thomas (Tom) Arman
xtensionlist-bounces at shed.com wrote on 04/28/2005 03:05:46 AM:
> If you have an old, junk hard drive laying around you could bust it
> open and remove the rare earth magnet(s) from the arm assembly. They're
> small, but really powerful. Be careful! Two of them can painfully pinch
> you if you get some skin between them. Also, they can shatter of you
> let one go at a piece of metal from a distance.
>
> Hutch
>
>
>
> On Apr 27, 2005, at 11:47 PM, Jack Stewart wrote:
>
> > I ought to have mentioned I've tried Radio Shack, (small toriods
> > only), Home Depot, (nothing), and local hardware stores. Nothing to be
> > found. Don't think we have OSH here in AZ.
> >
> > Like your idea of strengthing existing magnet but finding a "decent
> > sized magnet" locally is my problem :)
> >
> > --Jack
> >
> >
> > On 4/27/05, Jack Brindle said ??
> >
> >>
> >> On Apr 27, 2005, at 11:11 PM, Jack Stewart wrote:
> >>
> >>> I need the creativity of this list. I have a reed switch which is
not
> >>> reliably activated because the "closed" position of it's controlling
> >>> magnet varies enough to sometimes cause the magnet to come to rest
> >>> out
> >>> of range of the switch.
> >>>
> >>> Solution - simple - go buy a stronger magnet. After being told by
the
> >>> first two hardware sales people who I asked that they had "no idea"
> >>> what I meant by the term permanent magnet, and by the third that he
> >>> had "not seen one in years" I decided that this was not my day.
> >>>
> >>> I returned home, searched for an old loud speaker with a large
alnico
> >>> magnet, found one but couldn't bring myself to destroy a good 8"
> >>> speaker. They are second in price to gold around here :)
> >>>
> >>> Can any one think of a local, (i.e. non-mailorder) source for a
> >>> strong
> >>> magnet. It sounds very dumb of me, but I can't think where to look.
> >>
> >> You must be shopping at the wrong places. Radio Shack carries the
> >> things, as do most hardware stores. Here in Sillycon Valley, I have
> >> seen them at OSH and Home Depot. Look in the tool department. And
hope
> >> that you get someone who has a clue as to what you are asking for...
> >>
> >> If that fails, find a decent sized magnet, wrap a bunch of turns of
> >> wire around it, and hook it up to a (current limited) DC power
supply.
> >> You should have a much stronger magnet after some period of time, and
> >> may even be able to earn another Boy Scout badge... ;-)
> >>
> >> - Jack Brindle, W6FB
> >>
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> >> --
> >> ---------------------
> >>
> >
>
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