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Author Topic: Demagnetization risk of Neo magnets in repel mode?  (Read 22285 times)

Offline acp

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #15 on: July 14, 2007, 02:02:34 PM »
Quote
I don't buy it just yet. I'd like some more information.
Yes, we can all read about the magnetization process of neo magnets on the internet
but there's very litte or no information on the demagnetization process except heat.


Did it ever occur to you that that is the only way to demagnetize a NEO magnet with the exception of putting it into a HV magnetizer and zapping it halfway?

Have anybody here ever had a neo demagnetize or getting somewhat weaker when repelled?


This never happens.

Or have all those spreading the rumor used ferrite or alnico magnets.


Finally, finally the light goes      snip

Oh thank you holy magnet God for throwing us undeserving nerds these nuggets of pure magnetic gold. We don't deserve your holy presence here, grovel , grovel, we are just poor untutored magnetic imbeciles crouching in your immense magnetic shadow, grateful for the smallest turd you deem worthwhile to excrete out of your great magnetic arse.

Free Energy | searching for free energy and discussing free energy


Offline Bulbz

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #16 on: July 14, 2007, 02:13:48 PM »
@acp...

 :) ;) :D ;D :P. ROFL

Offline Bulbz

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #17 on: July 14, 2007, 02:17:17 PM »
@acp...

 :) ;) :D ;D :P. ROFL

[edit] No offence Earl, but that post from acp was funny ! [/edit]

Free Energy | searching for free energy and discussing free energy

Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #17 on: July 14, 2007, 02:17:17 PM »
Sponsored links:




Offline Bulbz

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #18 on: July 14, 2007, 02:21:55 PM »
OOPS !...

Sorry for the double post, I think my brain is still mashed due to all that beer I drank last night, and I don't know how to remove one of them.

Offline Honk

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #19 on: July 14, 2007, 10:30:59 PM »
If this is the case with neos then a repelled motor is the most attractive design to build.

Free Energy | searching for free energy and discussing free energy

Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #19 on: July 14, 2007, 10:30:59 PM »
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Offline Earl

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Demagnetization risk of Neo magnets in repel mode?
« Reply #20 on: July 15, 2007, 12:38:57 AM »
If acp feels like a "poor untutored magnetic imbecile" that is his problem, not mine.
His post did not help anyone, so I consider it pretty pathetic.
Earl
@acp...

 :) ;) :D ;D :P. ROFL
[edit] No offence Earl, but that post from acp was funny ! [/edit]

Offline Earl

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Demagnetization risk of Neo magnets in repel mode?
« Reply #21 on: July 15, 2007, 12:39:10 AM »
If this is the case with neos then a repelled motor is the most attractive design to build.

Honk,
design of electric motors can be very complicated with lots of things to consider.
Looking at things purely in a traditional manner, it doesn't matter whether attracting or repelling.

Once you get over the non-problem of repelling mode weakening NEOs, than you are free to choose atraction or repulsion.

I personally feel repulsion offers non-traditional "bizare" anomolies that attraction mode can not offer so easily.  There is a believable rumor coming from an ex-hippy that his commune in San Francisco in 1969 developed a motor generator that had excess power.  When the battery was disconnected, the motor kept running.  His part in the development was mechanical, so he didn't understand the electrical part very well, but enough details have come out to permit a replication.  Since I heard about this, I have spent some years studying the actions of repelling and rotating magnetic systems.  I believe there are scientific reasons to explain how such a repelling motor could capture excess energy.  The hippy commune used a rotor disk of 3 magnets and two stator coils, plus a bunch of collector coils.  I have not had the time to replicate this motor/generator, but if anyone has time and electromechanical abilities to do so, I can explain how to build it and some things to avoid doing.

Regards, Earl

Free Energy | searching for free energy and discussing free energy

Demagnetization risk of Neo magnets in repel mode?
« Reply #21 on: July 15, 2007, 12:39:10 AM »
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Offline Ergo

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #22 on: July 15, 2007, 08:27:28 PM »
Have you personally tried neos in repel mode in your designs?
If so, for how long did you run your machine under load? Weeks, month or years?

Offline Dingus Mungus

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #23 on: July 16, 2007, 07:12:32 AM »
This same debate is going on in an alternate location...
http://www.overunity.com/index.php/topic,2770.msg40186.html#msg40186

My 2 cents are in there...
~Dingus Mungus

Free Energy | searching for free energy and discussing free energy

Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #23 on: July 16, 2007, 07:12:32 AM »
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Offline Thaelin

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #24 on: July 18, 2007, 02:15:14 PM »
OK....... All:
   This from NW Magnets. You can surely demagnetize one magnet with another. Take a grade 8 ferite and an N38 NeoD and the neo will win out every time. The ferite cannot hold up. Two neo's  will not. Thats as far as he went on the subject. Hope that helps out a bit here. So I see I will need to use neos of the same size and grade just to make sure but dont see a problem in my mag motor.

thaelin

Offline JackH

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #25 on: July 19, 2007, 04:36:08 AM »
Honk,


I built a wankel motor a couple years ago.  This motor used repell mode.    It would only run two days before the magnets were gone.     I used the same size magnets in it through out.   And yes I used NEOs(N48).

I never did figure out what caused them to go bad, but they did.    Maybe the rpm or something, I dont now.

I know I'm going to catch hell for this, but I tryed it, didn't work.


Later,,,,,,JackH

Free Energy | searching for free energy and discussing free energy

Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #25 on: July 19, 2007, 04:36:08 AM »
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Offline IronHead

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #26 on: July 19, 2007, 04:38:55 AM »
Repel motor using N50 here  ran for 4 days and  dead.

Alittle bit about demag, Sorry its not much .

http://video.google.com/videoplay?docid=1681787127575536292&q=Walter+Lewin&total=91&start=0&num=10&so=0&type=search&plindex=3

Offline Liberty

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #27 on: July 19, 2007, 05:32:48 AM »
message deleted
« Last Edit: July 30, 2007, 09:27:42 AM by Liberty »

Offline mikestocks2006

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #28 on: July 19, 2007, 05:33:30 AM »
Repel motor using N50 here  ran for 4 days and  dead.

Alittle bit about demag, Sorry its not much .

http://video.google.com/videoplay?docid=1681787127575536292&q=Walter+Lewin&total=91&start=0&num=10&so=0&type=search&plindex=3
IronHead
Thanks for the link.
On a side note also on the same page, this is very interesting:
M.I.T.-Walter Lewin- Complete Breakdown of Intuition - Part1
http://www.youtube.com/watch?v=eqjl-qRy71w&mode=related&search=

and definitely this, where he actually does the experiment and measures/records the 2 Vs !

M.I.T.-Walter Lewin- Complete Breakdown of Intuition - Part2
http://www.youtube.com/watch?v=1bUWcy8HwpM&mode=related&search=

Possibly useful for the TPU and related replications too?
Good stuff

Offline Honk

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Re: Demagnetization risk of Neo magnets in repel mode?
« Reply #29 on: September 04, 2007, 06:30:49 PM »
Iv'e been having two N50M neos in repel mode for 3 month now and I measured them yesterday to
see if they had lost any of their strength. Well, they hadn't lost anything. They were as good as new.

The originally measured 0.51 tesla on the surface and 3 month later in repel they still measure 0.51 tesla.
Maybe they won't become demagnetized when just sitting still. Perhaps motion is required???
I might build a rotating repel test machine later on to see if they can handle that to.


 

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