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Author Topic: Magnetic braking of magnets sliding along a sloped aluminum surface  (Read 44546 times)

Offline slapper

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #90 on: May 30, 2009, 08:57:32 AM »
Dropping magnets between aluminum plates seem to help provide more consistent results.

Seems that this is like the Boyd Bushman demonstration during a David Sereda interview.

I would be curious to see what radially programmed magnets would do while dropping down an aluminum or copper tube. My guess is that there would be a big difference depending on the polarity.

I'd volunteer to help emptying a beer keg but that has gotten me in trouble in the past... when I was just a kid. That's why I got involved with these projects. uhm - anyway. 'the more things change the more they stay the same'.

Take care.

nap

Free Energy | searching for free energy and discussing free energy


Offline BEP

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #91 on: May 30, 2009, 02:20:59 PM »
http://www.youtube.com/watch?v=g8SyeUAA504

http://www.youtube.com/watch?v=NZhljtwJHKw

Hmmm?

Hole flow with one pole and electron flow with the other?
(or if you want to get wild - Lorentz invariance with one pole and Lorentz covariance with the other)

The 'preferred' clockwise rotation doesn't surprise me. I've seen it in electrostatics. Don't have an explanation either.

What I find interesting is the magnet pair presents it's equator to magnetic North/South.


Excellent work!

Edit>>>
It would be interesting to see if that unexpected rotation was the same in the Southern hemisphere.
People can say what they want about Coriolis. I've had experiences that have proved it to me.


Offline 0c

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #92 on: June 05, 2009, 04:15:12 PM »
According to TK's latest comment on his youtube video, the asymmetry may be due to the inclination of the earth's magnetic field.

http://www.youtube.com/watch?v=bas00qdj6Xc

If that is so, then I have some questions:

Why was no difference in behavior seen between northern and southern hemispheres?

Why were no differences noted based on the geographic orientation of the slope?

(Thanks wattsup, maybe this thread will get more attention now)

Free Energy | searching for free energy and discussing free energy

Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #92 on: June 05, 2009, 04:15:12 PM »
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Offline BEP

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #93 on: June 05, 2009, 11:12:26 PM »
According to TK's latest comment on his youtube video, the asymmetry may be due to the inclination of the earth's magnetic field.

http://www.youtube.com/watch?v=bas00qdj6Xc

If that is so, then I have some questions:

Why was no difference in behavior seen between northern and southern hemispheres?

I suspect it has more to do with latitude. Perhaps the effect is equal at +30 compared to -30 and only slight difference between +30 and -25, as an example.

Quote
Why were no differences noted based on the geographic orientation of the slope?

Because the flux density is the same at one location regardless of orientation.

Of course, the above offered explanations only work if you believe the magnets are not the source of the magnetic flux but only focal points of ambient flux.

So the expected result would be greater deflection the closer you are to either of Earth's magnetic poles - virtually no noticeable difference between S or N when near the equator and TK's self spinning magnet above a superconductor would then change preferred rotation direction when moving to the other side of the equator and probably would not rotate when near the equator.

Consider the above for what you think it is worth.


Offline lumen

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #94 on: June 05, 2009, 11:31:13 PM »
It is likely more to do with the direction and the field density as it enters the aluminum plate compared to the same as it leaves the plate.

Small area entering with large area exiting is different than large area entering and small area exiting.

Free Energy | searching for free energy and discussing free energy

Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #94 on: June 05, 2009, 11:31:13 PM »
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Offline 0c

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #95 on: June 06, 2009, 06:16:55 PM »
I posted a brief summary a couple weeks ago. I'm sure something new has been learned since then, and I'm also sure there may be errors in what I posted back then. If anyone has more information or corrections, please make a copy of the message, edit it and post the updated summary.

For instance, TK has been collaborating with other experimentors and the latest consensus is that the inclination of the earth's magnetic field is the most likely cause.

My previous summary is located at:
http://www.overunity.com/index.php?topic=7490.msg182132#msg182132

Thanks.

Offline BEP

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #96 on: June 06, 2009, 08:02:21 PM »

For instance, TK has been collaborating with other experimenters and the latest consensus is that the inclination of the earth's magnetic field is the most likely cause.


Should this consensus be correct and conventional understanding of magnetism is used then the experiments should prove nearby fields of permanent magnets can control the results even if they are not very close.

From here I'll wait for those results.


Free Energy | searching for free energy and discussing free energy

Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #96 on: June 06, 2009, 08:02:21 PM »
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Offline TinselKoala

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #97 on: June 06, 2009, 08:25:49 PM »
Just to be sure that we are all on the same page wrt magnet pole naming conventions:

The normal convention is that the Earth's magnetic pole in the North of Canada is a South magnetic pole.
The polarity of the compass needle magnet is marked correctly. The compass needle's North pole points to the Earth's South magnetic pole which is in the Arctic northern hemisphere.
Any magnet suspended like a compass will have its North pole pointing to geographic North.
The North pole of a magnet will Repel the North-seeking compass needle.
Flux lines are to be thought of as coming OUT of the North pole and going IN to the South pole of any magnet.

Dip or inclination refers to the angle at which the lines make with horizontal at any location. Horizontal = 0 degrees dip, and the dip is positive in the Northern hemisphere and negative in the Southern. In my location the dip angle is around 70 degrees--quite steep, only 20 degrees from vertical.

I have had one reliable report from Australia that has the opposite pole coming off, as predicted by the dip hypothesis. I also have a report that the polarity of coming off can be affected by doing the experiment in the field of a set of Helmholz coils, and I can confirm that--I didn't have time to tune our coils precisely but just jamming the juice in does indeed reverse or modify the effect, depending on orientation of the slide.

Still, I think the dip hypothesis has not been conclusively proven, and more data will be gathered over the next week or so.

Offline Omega_0

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #98 on: June 06, 2009, 09:07:46 PM »
Should this consensus be correct and conventional understanding of magnetism is used then the experiments should prove nearby fields of permanent magnets can control the results even if they are not very close.

From here I'll wait for those results.

I agree. Earth's field is very very tiny compared to that of a neo and it will not even notice it.
If this effect is due to an external field, then placing a magnet nearby should alter it, as you say.

Free Energy | searching for free energy and discussing free energy

Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #98 on: June 06, 2009, 09:07:46 PM »
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Offline 0c

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #99 on: June 06, 2009, 09:50:10 PM »
I have had one reliable report from Australia that has the opposite pole coming off, as predicted by the dip hypothesis.

Sounds like item #5 in my summary may be wrong. Please update it when there is confirmation.

If this "dip" is responsible, I'm still curious why there is no perceived difference when the slope of the conductive material is facing towards or away from the earth's pole, or when the slope is crosswise (east<->west) to the dip.

Offline lumen

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #100 on: June 06, 2009, 10:08:01 PM »
I agree with TK!
I just ran several tests by putting a large magnet behind the aluminum sheet (south facing the back of the sheet) at a distance just far enough to change the compass to point north in the opposite of earths direction. (north now towards the sheet)

Results:
The North side of the sliding magnet would hang as usual UNTIL it gets just below the large magnet, then it would fall away!

Starting at the fall away point NOW, the south side would hang for the rest of the slide.

I believe it is the inclination angle of the earths lines of flux causing the effect as TK has said.


Free Energy | searching for free energy and discussing free energy

Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #100 on: June 06, 2009, 10:08:01 PM »
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Offline maw2432

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #101 on: June 07, 2009, 12:13:04 AM »
Just to be sure that we are all on the same page wrt magnet pole naming conventions:

The normal convention is that the Earth's magnetic pole in the North of Canada is a South magnetic pole.
The polarity of the compass needle magnet is marked correctly. The compass needle's North pole points to the Earth's South magnetic pole which is in the Arctic northern hemisphere.
Any magnet suspended like a compass will have its North pole pointing to geographic North.
The North pole of a magnet will Repel the North-seeking compass needle.
Flux lines are to be thought of as coming OUT of the North pole and going IN to the South pole of any magnet.

Dip or inclination refers to the angle at which the lines make with horizontal at any location. Horizontal = 0 degrees dip, and the dip is positive in the Northern hemisphere and negative in the Southern. In my location the dip angle is around 70 degrees--quite steep, only 20 degrees from vertical.

I have had one reliable report from Australia that has the opposite pole coming off, as predicted by the dip hypothesis. I also have a report that the polarity of coming off can be affected by doing the experiment in the field of a set of Helmholz coils, and I can confirm that--I didn't have time to tune our coils precisely but just jamming the juice in does indeed reverse or modify the effect, depending on orientation of the slide.

Still, I think the dip hypothesis has not been conclusively proven, and more data will be gathered over the next week or so.

Funny thing TK,   all the text books say the Earth's Magnetic North Pole is the one in North Canada. 
I do not understand what you are saying when you say the above.   Maybe you made a  typo????   

http://en.wikipedia.org/wiki/North_Magnetic_Pole
http://geography.about.com/od/learnabouttheearth/a/northpole_2.htm
http://www2.scholastic.com/browse/article.jsp?id=4616


Bill

Offline lumen

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #102 on: June 07, 2009, 12:47:34 AM »
Because opposite poles attract, the Earth's North Magnetic Pole is therefore physically a magnetic field south pole because a north pole attracts to it.

After the last tests I did I started to think how much does the earths field actually affect things and I was very surprised!

Dropping a 1" Diameter x 1/4" thick N50 only 12", it will flip over every time with north down. I live about 45 degrees north.

You can do this easily in your hand, just place it flat in you hand with north side up and quickly lower it about 12" and bang! north down. If you watch it real close, you will see it flipping.

If you start with north down, it will stay north down. This should be the opposite in Australia.

Offline BEP

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #103 on: June 07, 2009, 01:35:09 AM »
Just to be sure that we are all on the same page wrt magnet pole naming conventions:

I think the above is the MAIN point. You can name poles anything you want as long as everyone discussing uses the same meanings. Either way can be correct but TK's description is the norm for pole naming.

Offline BEP

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Re: Magnetic braking of magnets sliding along a sloped aluminum surface
« Reply #104 on: June 07, 2009, 02:14:08 AM »
I agree. Earth's field is very very tiny compared to that of a neo and it will not even notice it.

Be careful on wording. A 'very strong' neo needs to be within several inches to have an effect but the Earth's magnetic pole can be X miles away and have the same effect. We call the Earth's magnetic field weak?

Quote
If this effect is due to an external field, then placing a magnet nearby should alter it, as you say.

I wouldn't call it 'external'.

Having Helmholtz coils show change in effect does not surprise me. Now, having a Maxwell coil cause the same effect change would surprise me.

So, does everyone now see that Eddy doesn't need to play in this game?

 

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