Pulsed DC Transformer with Embedded Magnets

[The Observer]

Pirate,

I guess you missed my last message to you.

Pirate,

Anything that is attracted to a magnet is Ferromagnetic or has Ferromagnetic components.
I completely respect you and all you have done, but at this point I am going to call you out.

"Is the piece of Ferrite you referred to attracted to a magnet?"

If so, then it possesses randomly oriented magnetic dipoles (within domains)
powered by unpaired infinitely spinning electrons
that (in this case) rotate on a dime to amplify the magnetic field of a coil by 50,000 times or so.
Whatever the Magnetic Permeability is.. THAT's how much it amplifies the field of a given coil.

              B = (μ0 * μr * N * i) / l

              μr is the relative permeability (Magnetic Permeability) of the material within the solenoid.
       
              Only Ferromagnetic Materials have a Permeability significantly greater than 1.. like 5,000 or 100,000.
              In other words... ParaMagnetic & DiaMagnetic Materials have a Magnetic Permeability of ~1.
              If you are using a material of High Magnetic Permeability.. it is most Definitely Ferromagnetic.
     
The diagram below describes what I am talking about.

Best Regards,
                     The Observer

Because you understand quite a bit of the JT Circuits with Ferrite Cores,
              I feel it is important that you understand that a Ferrite core (or anything noticably magnetic)
                     is  Ferromagnetic and thus utilizes the Magnetic Energy of Free Unpaired Electron Spin.

It is imperative to understand that the Magnetic Permeability of a core
                            represents the amount of times the magnetic field of coil is amplified.

So if your cores have a MP of 50,000 then that is the amount of times it amplifies the coil's magnetic field.

Best Regards,
                     The Observer
                 

[Pirate88179]

I didn't miss it.  I have worked with ferrites, and other ceramic materials for over 20 years in an engineering capacity so I know you are incorrect.  Ceramic is not metal.

Bill

[The Observer]

Pirate,

Hmm,

I do have a degree in Physics and extensively studied Magnetism in my thread...

     Topic: Magnetic Permeability ... I can't find anyone talking about this !!!!!
           http://www.overunity.com/index.php?topic=4831.msg101674#msg101674

          I'm the only one still talking ! So either I'm nuts or brilliant.  ;o)~

According to my Physics 101 book almost every material falls into 3 classifications.

     1. Diamagnetic materials have a weak, negative susceptibility to magnetic fields.
     2. Paramagnetic materials have a small, positive susceptibility to magnetic fields
     3. Ferromagnetic materials have a large, positive susceptibility to an external magnetic field.

If your core does not attract to a magnet.. PLEASE tell me !

Up to this point I assumed any good JT needed a core
                                that attracted nicely to a magnet and had low hysteresis loss (meaning retains basically no magnetism).

That's all.

Best Regards,
                     The Observer
                     

[WilbyInebriated]

If your core does not attract to a magnet.. PLEASE tell me !

Up to this point I assumed any good JT needed a core
                                that attracted nicely to a magnet and had low hysteresis loss (meaning retains basically no magnetism).

That's all.

Best Regards,
                     The Observer
                   

a ferrite core is not necessary. i demonstrated this early on in the jt thread with an aircore jt.
http://www.overunity.com/index.php?topic=6123.msg143373#msg143373
http://www.overunity.com/index.php?topic=6123.msg188872#msg188872

[ltseung888]

Maybe the link posted by @dllabarre will be of some help to you.
http://www.surplussales.com/Inductors/FerToro/FerToro-3.html

Thank you.  On the safe side, I shall buy a few dozen of the working toroid cores in Shenzhen and bring them over to USA.  I deliberately tried a 1.3 Inch Toroid and no matter how I tuned, I failed to get overunity.  At this point in time, lead-out energy resonance hunting is still a “try and see” technique.

Once we get a good result, document and try to reproduce as closely as possible.  When I get to USA, I shall again experiment with some of the locally available material.  My existing and the coming prototypes will be based on those cores from Shenzhen.  Just hope that the batch has same properties.