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Author Topic: Magnetic wheel by steel shielding  (Read 7450 times)

Offline Low-Q

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Re: Magnetic wheel by steel shielding
« Reply #15 on: March 06, 2019, 03:53:40 PM »
Video at :
https://youtu.be/ExygPXDzLow

By moving a steel plate as a shield between two repelling stack of magnets, one on wheel and another fixed to the table, the
wheel can be made to rotate continuously.
If a roller ball is used between the magnet and the shield, the shield can be moved easily over the surface of magnet because the magnetic field is almost uniform in parallel plane.
The iron plate experience a magnetic field that is stronger when you position the rotor magnet side by side to the stator magnet. This will resist the iron sheet to be removed, so you need energy to remove the plate.
If you installed a lever on the rotor that rised the plate automatically, the motor will stop.


Vidar

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Re: Magnetic wheel by steel shielding
« Reply #15 on: March 06, 2019, 03:53:40 PM »

Offline norman6538

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Re: Magnetic wheel by steel shielding
« Reply #16 on: March 06, 2019, 04:47:50 PM »
I've pretty much given up on most OU stuff. My pendulum that goes from 2pm to 6 to 9 to noon
without getting stuck at noon gets totally ignored. And likewise my permanent magnet slider.
Some people do not recognize overunity   when it knocks them over the head.

I do have some hope for the Kerry Waenga Bessler wheel. I have made 1 of 5 segments and it
does what is claims to do. I need to add 4 more to see if it rotates. Many times what one segment does will not apply to a full wheel.  It uses gravity to store
potential work in a spring which is then used to kick the weight forward and upward over 8 degrees.

You may want to watch that on Bessler.com.

Norman

Offline vineet_kiran

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Re: Magnetic wheel by steel shielding
« Reply #17 on: January 07, 2021, 12:24:32 PM »
Does this material block magnetic flux without getting attracted to magnet?  Is it real or fake?
https://www.youtube.com/watch?v=veXx-8rGuks

Free Energy | searching for free energy and discussing free energy

Re: Magnetic wheel by steel shielding
« Reply #17 on: January 07, 2021, 12:24:32 PM »
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Offline gyulasun

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Re: Magnetic wheel by steel shielding
« Reply #18 on: January 07, 2021, 08:12:45 PM »
Hi Vineet,

It is real, I mean it is able to block magnetic flux but it does have magnetic permeability of around 80,000 so magnets surely attract it excellently.

Some more info is here: https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-Flux-Field-Directional-Materials-EM80KM/?N=5002385+3289539403&rt=rud   or here:https://www.digikey.com/en/product-highlight/3/3m/flux-field-directional-materials-for-nfc-rfid-and-wireless-power-applications     

All such magnetic flux shielding materials, made for supressing or attenuating unwanted EMI / EMC issues have magnetic permeability. 

Gyula 

Offline vineet_kiran

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Re: Magnetic wheel by steel shielding
« Reply #19 on: January 08, 2021, 04:46:58 AM »
@gyulasun
Thanks for the reply and link.  Interesting here is that  such a thin plate can absorb so much of flux.  If a strip of that material is used as a leaf spring so that the force of attraction from magnet is neutralized  by bending of the spring,  can we make a 'forceless' shield?

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Re: Magnetic wheel by steel shielding
« Reply #19 on: January 08, 2021, 04:46:58 AM »
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Offline gyulasun

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Re: Magnetic wheel by steel shielding
« Reply #20 on: January 08, 2021, 02:50:59 PM »
Hi Vineet,

I have no info on how much this material is springy, data sheet does not include it  https://www.digikey.com/en/products/detail/3m/EM80KM-005-1/7652420 , probably it is not. 

If you wish to use it as a 'forceless' shield, it should be sticked to say a thin plastic sheet which is springy enough to bend in the needed degree.   

You could get permalloy sheet, called also as mu metal, which has similarly high permeability as the above material (70,000 - 100,000) See price here:  https://www.amazon.in/Mu-Metal-Nickel-Sheet-100/dp/B085C3QSR7/ref=sr_1_3?crid=3JVEW7KC21J1L&dchild=1&keywords=permalloy+sheet&qid=1610111885&sprefix=permalloy%2Cindustrial%2C185&sr=8-3   

Alternatively, there are pure nickel strips used for battery connection but they are not likely as springy as one would like,  nevertheless they are available: 
https://www.amazon.in/Kewholesale-99-96-Battery-Connection-Welding-50Pcs/dp/B08282BWX1/ref=pd_sbs_328_3/257-8489244-2938319?_encoding=UTF8&pd_rd_i=B08282BWX1&pd_rd_r=9cfeb013-1d90-45a8-afde-c052e8bb3d8e&pd_rd_w=4XaoG&pd_rd_wg=gS5gc&pf_rd_p=daed850f-93fe-4839-8ae5-b1d9164f99e8&pf_rd_r=65QS835KEX1391MVKQ8M&psc=1&refRID=65QS835KEX1391MVKQ8M   

The magnetic permeability of nickel varies between 100 and 600, so not as high as mu metal or permalloy but still much higher than air. 
 
So you can continue brainstorming on setups with 'forceless' shields.   8)

Gyula

Offline lancaIV

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Re: Magnetic wheel by steel shielding
« Reply #21 on: January 08, 2021, 03:16:13 PM »
Thomas Townsend Brown GB300311 "gravitator cells ":

search machine : varnish cambric

                               empire cloth

In Porto/PT ,Campos&Cardoso office,Jorge Ferreira used a translucent sheet,like strong cellophan(cigarette package wrap ) ,WO2009154492 : "...... resina epoxida ....." f.e. Diluol liquid


Btw : " ..... nucleo para-magnetico ....."
para-magnetism ? search machine answer !


Sincere
OCWL

Free Energy | searching for free energy and discussing free energy

Re: Magnetic wheel by steel shielding
« Reply #21 on: January 08, 2021, 03:16:13 PM »
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