Neodymium Magnets

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kelsy
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Neodymium Magnets

Post by kelsy » Fri Aug 15, 2003 6:04 pm

Does anyone know where I could find a Neodymium (rare earth) magnet that is 2.75" round and 1.25" thick with a .75" hole in the center?

Donald S. Lambert
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Re: Neodymium Magnets

Post by Donald S. Lambert » Fri Aug 15, 2003 6:15 pm

Do you realize just how powerful a magnet of that size is? I have some small ones and I have had pinched fingers that drew blood. You need to figure out how to handle it before you get one or several. I don't know where you would get one that size. I got mine from Electronic Goldmine. HTH Greybie

Matt
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Re: Neodymium Magnets

Post by Matt » Sat Aug 16, 2003 8:39 am

Try here: http://kdsmagnets.com/. They look like they have alot of magnets of different types, shapes, and sizes, including neodymium.
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--Matt--
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algaeman
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Re: Neodymium Magnets

Post by algaeman » Sat Sep 06, 2003 3:01 pm

You're from ontario too! I got some neodynum magnets from a place called "Lee Valley". It's a woodworking/gardening tools store. They have a catalogue, and I think you might be able to order from them. I saw some ring magnets in there... And yes they are VERY powerful. Keep them away from electronic devices like your computer! Handle with care! If you're going to work with them, handle only one at a time and keep the others far away.<p>I'm interested- what are you using them for?

kelsy
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Re: Neodymium Magnets

Post by kelsy » Mon Sep 22, 2003 5:15 pm

Thanks for all the replys. My application is for a permanent magnet alternator (PMA) when using a wind turbine. Some people have had great success with modifying a GM alternator, by placing a huge ring magnet on the shaft. PMAs are available, however, I figured it would be cheaper and more satisfying to build one. I'm on the north shore of Lake Erie where the wind blows most of the winter and I'd like to reduce the heating bill somewhat.

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Joseph
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Re: Neodymium Magnets

Post by Joseph » Mon Sep 22, 2003 7:37 pm

Also check out this possibility. How To Use an Induction Motor As a Generator<p>I originally found this link at Electronics Hobbyist

John Paul
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Re: Neodymium Magnets

Post by John Paul » Sat Sep 27, 2003 3:44 pm

I have found some at "Electronic goldmine".<p>But be carefull that you don't let two of them stick togather because they are almost imposible to pull apart. <p>John Paul.

John Paul
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Re: Neodymium Magnets

Post by John Paul » Tue Sep 30, 2003 12:09 pm

You could try this
company: http://www.magnetsales.com
They have alot of neodymium magnets.<p>
John Paul

Bernius1
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Re: Neodymium Magnets

Post by Bernius1 » Tue Sep 30, 2003 1:26 pm

& DON'T FORGET TO GOOGLE "EDMUND SCIENTIFIC".
Can't we end all posts with a comical quip?

magnet
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Neodymium magnets

Post by magnet » Sun Jan 25, 2009 7:05 pm

Do you know neodymium magnets can change proper functioning of meters like energy meters, water and also gas meters? You can save your money, pay less for media, because you can stop or slow your meters. Its no joke, its true.

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philba
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Re: Neodymium magnets

Post by philba » Sun Jan 25, 2009 8:11 pm

magnet wrote:Do you know neodymium magnets can change proper functioning of meters like energy meters, water and also gas meters? You can save your money, pay less for media, because you can stop or slow your meters. Its no joke, its true.
You can also go to jail for that sort of thing. No joke either.

Bigglez
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Re: Neodymium magnets

Post by Bigglez » Sun Jan 25, 2009 10:05 pm

magnet wrote:Do you know neodymium magnets can change proper functioning of meters like energy meters, water and also gas meters? You can save your money, pay less for media, because you can stop or slow your meters. Its no joke, its true.
Really? Can you tell us how you did that, and what
kind of savings you obtained?

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dacflyer
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Post by dacflyer » Mon Jan 26, 2009 1:21 pm

i had a video tape that had info on stuff like that..it was all a hoax ..nothing i tried worked.

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dtief
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Post by dtief » Mon Jan 26, 2009 6:44 pm

This place has VERY big and dangerous magents. I bought 2 of their 1" cube neodymium magnets. Truly impressive.

http://www.unitednuclear.com/supplies.htm

magnet
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Re: Neodymium magnets

Post by magnet » Mon Jan 26, 2009 9:11 pm

philba wrote:
magnet wrote:Do you know neodymium magnets can change proper functioning of meters like energy meters, water and also gas meters? You can save your money, pay less for media, because you can stop or slow your meters. Its no joke, its true.
You can also go to jail for that sort of thing. No joke either.
What kind of things? Cheating or information sharing? Do you know detailed regulations? Nobody can proof using neodymium magnets.

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