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Author Topic: Should I abandon my mag motor project because of repulsion killing power  (Read 3291 times)

Offline hoarybat

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I found this on the web.  It says repulsion kills the magnets.  My current setup is all repulsion.  Is the below true?  If so maybe I should not waste my money on the remaining magnets I need to purchase to finish the project.  Does switching it to attraction minimize or eliminate the wearing down the effect?  Anyway here is the info and thanks:

"There is a major omission in the video of the magnetic generator being demonstrated in the YouTube video. There is a fatal flaw that everyone who thinks this provides free energy is falling for:

The energy comes from the magnets, and wears down their magnetism. Loading magnets in repulsion for a sustained period of time causes them to lose their magnetism. The amount of energy spent to magnetize these magnets is more than the energy you get out of such a motor.
I'm sorry to say this, but this isn't a source of free energy. This magnetic motor trick was tried by the Perendev magnetic motor a while back. (The motor appeared to violate the conservation of energy by spinning up using nothing but vectored magnetic repulsion.) This is not a new idea, and the fatal flaw (magnets losing their magnetism due to being loaded in repulsion) shouldn't be a new discovery every time, but every time a free energy enthusiast shows this, they always seem to selectively leave out the part where the magnets wear down, and how much energy it takes to make the magnets."

Free Energy | searching for free energy and discussing free energy


Offline hoarybat

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #1 on: September 25, 2009, 03:41:00 AM »
Sorry guys but some nice member here gave me this answer below which says neo magnets of equal strength opposing each other should not demagnetize.  Thanks for any other info anyone has: http://www.overunity.com/index.php?topic=2751.0

Offline sm0ky2

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #2 on: September 25, 2009, 04:43:57 AM »
can you draw a picture of your motor setup?
i.e. - how the magnets are placed rotor and stator to cause continuous rotation?


Free Energy | searching for free energy and discussing free energy

Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #2 on: September 25, 2009, 04:43:57 AM »
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Offline pinobot

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #3 on: September 25, 2009, 05:13:15 AM »
No, modern magnets dont lose their magnetism from repulsion, many loudpeakers use repulsion to change the magnetic field around the speaker so you can place the speaker close to a television, this is done by simply gluing a magnet in repulsion onto the speaker magnet, this lasts for years.

Offline eavogels

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #4 on: September 25, 2009, 12:34:17 PM »
this is done by simply gluing a magnet in repulsion onto the speaker magnet, this lasts for years.
But repeatingly bringing magnets into repelling position will harm the magnet. I once mounted a magnet on an whiper motor and let it repel 4 times per rotation. After two weeks all 5 magnets were weak.

Free Energy | searching for free energy and discussing free energy

Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #4 on: September 25, 2009, 12:34:17 PM »
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Offline hoarybat

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #5 on: September 26, 2009, 01:34:18 AM »
can you draw a picture of your motor setup?
i.e. - how the magnets are placed rotor and stator to cause continuous rotation?


I have to get the magnets on.  Though I have stabilized my rotor it is out of whack, low/high in some areas.  I have a lot of adjustments to make.  Also I need to put some stabilization wheels floating on the top just incase it decides to lean.  Once it does this it slows and stops.  The thing has to be totally level.  Once I have it running and if it works I will inform.  So some say replusion won't kill the magnets especially Neo's but what do u guys think about sm0ky2's comments about repulsion killing magnets?  I hear more people saying no it won't but have seen many say it will.  I guess the only way to find out is to get it going and see if there is a decrease in rpm's overtime.  If I get it going!  thanks

Offline sm0ky2

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #6 on: September 26, 2009, 03:22:26 AM »
actually, that was someone else's comment.
i have thus far refrained from giving my opinion on that.

but , if you want it, here goes:::

the ammount of magnetic energy (Teslas) required to alter the magnitization of a material is known as its coercivity.
this is not to be confused with permeability (the ammount of mangetic energy the material will take on)

this coercivity value, is probably the main determining factor when determining how much your field will diminish.
some materials hold their magnetic energy better than others.

assuming the two opposing magnets are equal in strength (flux density) the two will have equal effects on one another. both fields diminishing to the same degree, over x time.

if one magnet is stronger than the other, the stronger magnet will not lose any of its field, only the smaller one.

if the coercivity of the material is greater than its permeability
such as is the case in neos and certain ferroceramics, then the field it produces is not strong enough to adversly affect the opposing magnet. - thus neos (in most cases) are safe when arranged in this manner.

for example, the read/write arm inside a computer HardDrive, is always reset back to the original position by magnetic repulsion.
a tiny neo is stuck to the back of the arm, and repels against the larger neos that bias the field of the write-mechanism.
this occurs millions of times throughout the harddrives life, and the neo magnet on the back end of the arm never dies.

so, in conclusion - it depends on the magnets (and sometimes how they are used),

'soft' ceramics like the rectangles you can commonly buy anywhere, may lose or weaken their field strength if used in repulsion over long periods of time.

hard ceramics, such as those found in microwave magnetrons can be left in repulsion for decades without harming each other.

most of your neos, and some of the cobalt-compounds (alnico) are perfectly safe.

aynways, thats the simplified version, there are many other factors not mentioned here, that may come into play but thats for a whole other topic area...





Free Energy | searching for free energy and discussing free energy

Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #6 on: September 26, 2009, 03:22:26 AM »
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Offline hoarybat

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Re: Should I abandon my mag motor project because of repulsion killing power
« Reply #7 on: September 26, 2009, 05:35:20 AM »
That was very well put.  Your information is very invigorating and welcomed.  Could be a couple more weeks or so before my first valid attempt since the improvements of this junkyard parts wood setup.  Today I also started putting a wood inside circle 360 degree piece which I will have to cut in passes with a stationary circular saw adjusting it by 1/8th of an inch intervals to shave a 1.5 circle to accommodate a future direct drive alternator (should this thing keep going) so I can put a load on it and see if it will still spin with a load.  Using belts and pulleys causes more friction loss and I already have too much with my crude setup.  Thanks again really enjoy the forum and their members...

hoarybat

 

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