A new magnetic toy?

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Oseberg
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A new magnetic toy?




by Oseberg » 07/11/09, 21:36

I found this video quite impressive. Others apparently tried to reproduce it without success.
http://www.youtube.com/watch?v=8XqWvE_CpU4
the site with some explanation the inventor remains anonymous for the moment (bizarre)
http://peswiki.com/index.php/OS:Magnet_ ... rhuEuaN0WA
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nlc
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by nlc » 07/11/09, 22:26

quartz has to go through here, it's the specialist in the matter :!:
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by gegyx » 08/11/09, 09:50

Not conclusive as usual.

Inclined magnets are a trick to extend the rotation beyond a cycle.
But note that when it stops the rotor with your hand, there is little torque.
It still lacks a bit to be independent.
The stator is moved quickly to restart the rotor each time it slows down.
Now that it is anonymous or glorious, it does not change.
There is still nothing validated and proposed, on the market of autonomous machines…

:|
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nlc
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by nlc » 09/11/09, 09:52

Didn't we see the same video? Obviously there may be special effects, but when it stops it, the system starts up again spontaneously.
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by gegyx » 09/11/09, 14:03

That is what I am saying.
:D
He stops him suddenly, without slowing him down.
So blockage in a probably driving position
+ Little inertia, or slowdown, which indicates that the couple is not violent.

And the rotor is still in a position on the ramp which makes it rotate.
So it restarts.

Now why does it move the base every time, if not to give an additional boost?

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About Nlc, there is a renewable energy fair on Saturday in Nantes.
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by nlc » 09/11/09, 14:20

gegyx wrote:That is what I am saying.
:D
He stops him suddenly, without slowing him down.
So blockage in a probably driving position
+ Little inertia, or slowdown, which indicates that the couple is not violent.

And the rotor is still in a position on the ramp which makes it rotate.
So it restarts.


:?: :?:
When it stops, it restarts but does more than one lap, and picks up speed (according to the measurements taken that can be found on the site that presents the trick).

gegyx wrote:Now why does it move the base every time, if not to give an additional boost?


I would say to show that there is no link with the table! But I would have preferred a wider field of vision and a glass table! : Cheesy:

gegyx wrote:About Nlc, there is a renewable energy fair on Saturday in Nantes.


I will not be able to go there I must finish mounting the kitchen !!
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by nonoLeRobot » 09/11/09, 15:03

Agree with Gegyx why move the base regularly (and even often) if not to maintain movement.
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by renaud67 » 09/11/09, 15:17

yes indeed the small oscillations must create imbalances which make it possible to maintain the movement (like a small amount of movement unbalances a system in a position of unstable equilibrium): one realizes it on a video named V2.
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