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Overunity Machines Forum



LaFonte Group can turn off permanent magnet without work

Started by Paul-R, March 03, 2010, 06:31:34 AM

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Bruce_TPU

#115
April 10, 2010, 10:27:06 PM
Quote from: LarryC on April 10, 2010, 07:52:44 PM
@Low-Q

Thanks for your kind offer, but I don't know if your jpg shown shapes would help with this replication. But please explain if you know how.

@Bruce-TPU

You have experience with casting iron powder plus nanoparticle cores. Can you help here, with a summary of how you got it done.

Regards, Larry

Hi Larry and ALL,

Step by step instructions here:
http://www.youtube.com/watch?v=hnY1Zbi7sgM&playnext_from=TL&videos=f_rOcR_rcHA

black iron oxide powder is available on Ebay...

Fiberglass Resin is available at Lowes Hardware (USA)... In the paint department.

Do not add the activated charcoal...LOL for this project, so increase the amount of iron oxide.

Hope that helps!

Bruce
1.  Lindsay's Stack TPU Posted Picture.  All Wound CCW  Collectors three turns and HORIZONTAL, not vertical.

2.  3 Tube amps, sending three frequency's, each having two signals, one in-phase & one inverted 180 deg, opposing signals in each collector (via control wires). 

3.  Collector is Magnetic Loop Antenna, made of lamp chord wire, wound flat.  Inside loop is antenna, outside loop is for output.  First collector is tuned via tuned tank, to the fundamental.  Second collector is tuned tank to the second harmonic (component).  Third collector is tuned tank to the third harmonic (component)  Frequency is determined by taking the circumference frequency, reducing the size by .88 inches.  Divide this frequency by 1000, and you have your second harmonic.  Divide this by 2 and you have your fundamental.  Multiply that by 3 and you have your third harmonic component.  Tune the collectors to each of these.  Input the fundamental and two modulation frequencies, made to create replicas of the fundamental, second harmonic and the third.

4.  The three frequency's circulating in the collectors, both in phase and inverted, begin to create hundreds of thousands of created frequency's, via intermodulation, that subtract to the fundamental and its harmonics.  This is called "Catalyst".

5.  The three AC PURE sine signals, travel through the amplification stage, Nonlinear, producing the second harmonic and third.  (distortion)

6.  These signals then travel the control coils, are rectified by a full wave bridge, and then sent into the output outer loop as all positive pulsed DC.  This then becomes the output and "collects" the current.

P.S.  The Kicks are harmonic distortion with passive intermodulation.  Can't see it without a spectrum analyzer, normally unless trained to see it on a scope.

Low-Q

#116
April 11, 2010, 05:06:26 AM
It's possible to use iron oxide as well, but we do not use that in our loudspeaker applications because they are noisy. They in fact create electric noise in the coil as the flux density change. The same happens in ferrite magnet motors in loudspeaker drivers.
Iron powder have very low noise and I think it is has a higher permeability than iron oxide.

Btw, I have no experience in making these iron powder pieces. We buy them from a manufacturer I do not remember the name of at the moment. The pictures I linked to was from another loudspeaker dealer in Denmark. I work in Norway, for dynaBel (www.dynabel.no) as a loudspeaker constructor/builder. And we have also LOTS of magnet rings in different sizes.

Vidar

Bruce_TPU

#117
April 11, 2010, 09:28:11 AM
Quote from: Low-Q on April 11, 2010, 05:06:26 AM
It's possible to use iron oxide as well, but we do not use that in our loudspeaker applications because they are noisy. They in fact create electric noise in the coil as the flux density change. The same happens in ferrite magnet motors in loudspeaker drivers.
Iron powder have very low noise and I think it is has a higher permeability than iron oxide.

Btw, I have no experience in making these iron powder pieces. We buy them from a manufacturer I do not remember the name of at the moment. The pictures I linked to was from another loudspeaker dealer in Denmark. I work in Norway, for dynaBel (www.dynabel.no) as a loudspeaker constructor/builder. And we have also LOTS of magnet rings in different sizes.

Vidar

Black iron oxide powder... it can be purchased in differant size grains.  It is so cheap, those wanting to can simply buy the powder and ingredients as I describe in my video from my last post and try it.  The whole thing is less than 20 dollars.  It should work just fine. 

I like Larry's drawn out idea.  He can simply mold his design, either using wood as I did, or using clay.  Allow the clay to harden, smear it with lots of vaseline and pour in the mixture.  It is not difficult at all...

Cheers,

Bruce
1.  Lindsay's Stack TPU Posted Picture.  All Wound CCW  Collectors three turns and HORIZONTAL, not vertical.

2.  3 Tube amps, sending three frequency's, each having two signals, one in-phase & one inverted 180 deg, opposing signals in each collector (via control wires). 

3.  Collector is Magnetic Loop Antenna, made of lamp chord wire, wound flat.  Inside loop is antenna, outside loop is for output.  First collector is tuned via tuned tank, to the fundamental.  Second collector is tuned tank to the second harmonic (component).  Third collector is tuned tank to the third harmonic (component)  Frequency is determined by taking the circumference frequency, reducing the size by .88 inches.  Divide this frequency by 1000, and you have your second harmonic.  Divide this by 2 and you have your fundamental.  Multiply that by 3 and you have your third harmonic component.  Tune the collectors to each of these.  Input the fundamental and two modulation frequencies, made to create replicas of the fundamental, second harmonic and the third.

4.  The three frequency's circulating in the collectors, both in phase and inverted, begin to create hundreds of thousands of created frequency's, via intermodulation, that subtract to the fundamental and its harmonics.  This is called "Catalyst".

5.  The three AC PURE sine signals, travel through the amplification stage, Nonlinear, producing the second harmonic and third.  (distortion)

6.  These signals then travel the control coils, are rectified by a full wave bridge, and then sent into the output outer loop as all positive pulsed DC.  This then becomes the output and "collects" the current.

P.S.  The Kicks are harmonic distortion with passive intermodulation.  Can't see it without a spectrum analyzer, normally unless trained to see it on a scope.

Low-Q

#118
April 11, 2010, 11:59:58 AM
Quote from: Bruce_TPU on April 11, 2010, 09:28:11 AM
Black iron oxide powder... it can be purchased in differant size grains.  It is so cheap, those wanting to can simply buy the powder and ingredients as I describe in my video from my last post and try it.  The whole thing is less than 20 dollars.  It should work just fine. 

I like Larry's drawn out idea.  He can simply mold his design, either using wood as I did, or using clay.  Allow the clay to harden, smear it with lots of vaseline and pour in the mixture.  It is not difficult at all...

Cheers,

Bruce
I think too this is the way to go. When everything is molded, tested, and approoved, one can allways go to the next level with better (and more expensive) materials. Experiment costs is the main factor that prevents people from experimenting with ideas - therfor I think the development has gone very slow for most "kitchen hobbyists" out there. But cheap materials is a must. Epoxy is quite expensive though. Maybe stearin or other wax that melts when heated can be used as well. Then it is possible to recycle the whole thing - even easily cut in it, ot heat it locally to alter shapes where needed.

Off topic: Have you other guys seen that some words in the post is replaced with an "A" when editing posts?

Vidar

Butch LaFonte

#119
April 11, 2010, 12:30:38 PM
I did some research on the web and called one guy who sold iron powder and he told me that any powder had high resistance even copper powder if it is just in a lose pile. He said to think of it as large copper spheres in a pile and only the area where the spheres touch each other is the place where current could flow. But he also said that the more you compress the powder toward resembling a solid the electrical resistance drops. What do you guys think about his comments? It seems to me that the ideal material is soft ferrite in powder form, but I have not been able to find it yet. The Switcher needs as close to zero eddy current in the stator as possible. I would really appreciate it if you guys that are making the different powder based stators could take some resistance readings after the resin has cured and is in solid form. I'm very concerned that builders are going to get rotor drag from eddy currents in the stator and get discouraged because they think it is the Lenz effect doing it when it reality it is eddy current drag.
Thanks guys,
Butch

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