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Author Topic: Jorge Guala-Valverde homopolar experiments.  (Read 6564 times)

Offline broli

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Jorge Guala-Valverde homopolar experiments.
« on: June 03, 2010, 07:08:47 PM »
Jorge Guala-Valverde can be said to have been the most active researcher in the homopolar subject in recent times. Sadly he deceased last year so may he RIP. What I want to highlight with this thread is his latest experiments using confined fields.

A person close to him named Andrija Radovic also did a similar experiment. The setup contains a magnetized core with a gap where the wire is positioned. When current is passed through the wire the wire rotates in one direction and the the core in the other as newton third law says:

Now anyone who has gone deep into homopolar motors knows this is significant. Because as the core rotates there's no induced emf in the current loop. In a standard homopolar motor you always need a circuit part glued to the magnet and a stationary circuit part, the rotating "circuit" causes the back emf. Yet in this experiment the circuit can be completely stationary and the magnetic source will rotate. That is until it hits the border of the core, which is really an engineering issue.
Andrijar wanted to solve the collision problem using continuous rotation by postulating that if a magnet was placed in the gap and its field was confined, then the current wire would make it rotate as it rotated the core:

Needless to say his assumption was wrong and the experiment failed. The magnet acted as if there was no core, and since the circuit wasn't split in rotating-stationary parts no torque was seen. So this gives us one big conclusion. Rotation can only happen between a magnetic field "carrier" (ie the core) and the wire piece which is "inside" this field. The failed experiment can be seen here:

This conclusion is also what Jorge Guala-Valverde and Pedro Mazzoni has come to after several experiments on a similar setup. The paper describing the experiments and results is called Confined  B-Field Homopolar Dynamotor and can be found here:

What it shows is that the real magnetic source (the magnet) will not flinch if current is applied. Whereas the wire piece will rotate, and if allowed the core can also be seen rotating. So the interaction is not between the magnet and wire but between the core and the wire alone.

Prior to finding this paper I had an idea of a motor who's windings are stationary and who cause rotation on to a core in a continuous fashion without dealing with the collision issue of above setups. As usual I attached renditions of this concept, some are cross sections. What you see is a ring magnet cut in half, and with one half put back upside down. Then a stationary coil is put in between the gap. When current is applied just like the above setups the upper rotative core should rotate. But as it rotates the magnetic field going through it "readjusts" since the magnet and lower part are stationary. In other words there is no equilibrium state. The rotor will speed up until it hits a physical limit while no back emf is produced. Another big advantage of this design is windings. Any number of windings can be used to increase the torque.

That's pretty much what I have learned and thought these past weeks. Now you can use it or leave it I have done my putting it in the public domain.
« Last Edit: June 03, 2010, 07:53:33 PM by broli »

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Offline broli

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Re: Jorge Guala-Valverde homopolar experiments.
« Reply #1 on: June 07, 2010, 03:07:46 PM »
I'll throw in some more, perhaps it will wake someone up. First two are a revision of the marinov motor which I made an extensive thread about here:

Instead of using permanent magnets, iron is used. Again this will cause a constant imbalance as the iron rotor (green) rotates.

The other attachments are of again an iron based homopolar motor. The only rotating parts are the iron disc and the copper ring glued to it, everything else is stationary. The idea is that the outside two wire segments will torque the iron just like a homopolar motor is torqued by the outside circuit.

And if this design proves to work then a brush less back emf less motor can be built. By just running a coil with N windings across the gap. The wire part going through the gap will try to rotate the magnetized iron. But as it does again the domains will reorientate in the iron and reset it so to speak so there's never an equillibrium position.

This community speaks of open source and collaboration, yet it doesn't practice what it preaches. There's oh so much one can do on his own, but to get rejected multiple times when asking for help leaves a bad after taste in the mouth. The ideas are in front of you, the research is under your nose, the concepts are simple....what more do you want to start exploring? This is why something like the overunity prize is utter useless, why do you want the money if the idea is already makes no sense what so ever.

Please wake up people, more than a handful of people have already all the needed materials laying next to them. Where I need to wait months just to get something as a magnet. Why is interest only gained through deception anf fraud and not through honest sharing and collaboration?
« Last Edit: June 07, 2010, 04:20:25 PM by broli »

Offline gravityblock

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Re: Jorge Guala-Valverde homopolar experiments.
« Reply #2 on: June 08, 2010, 12:19:59 AM »
This thread is one of the best presentations I have seen on this forum.  In addition to this, you provided excellent research and experimentation papers to back it up.  But yet, there are no replies or interest shown.  This is mind boggling.  I'm currently in the process of testing the concepts in this thread by using a confined field.  This is great stuff.


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Re: Jorge Guala-Valverde homopolar experiments.
« Reply #2 on: June 08, 2010, 12:19:59 AM »
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