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Tesla's Stout copper bars "Hairpin Circuit"

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  • I don't know if anyone has tried this variation:

    use a flat bifilar pancake coil, with on both ends a series capacitor.

    charge one capacitor with negative voltage, and discharge it.

    the capacitors can be small size, small enough to make a disruptive discharge. And the frequency should be low enough, to keep the coip from ringing. So well below the resonant frequency. the voltage would not have to be very high, I want to try 300V. This makes it possible to avoid the sparkgap, and use a TVS diode

    Not sure about all of this, but I'm going to give it a try.
    Last edited by evostars; 06-08-2018, 12:25 PM.


    • Originally posted by Karl_Palsness View Post
      I have stated this before. If you read “secrets of cold war technology” by Vassilatos you will know why and how Tesla came up with the “Stout copper bar circuit” that I renamed “The Hairpin” because it looks like a hairpin that my wife uses in her hair. In short Tesla was trying to study the Hedge-bush effect on wires when a high potential of DC was sent down a wire and was killing people at the other end. In order to not need a large DC generator he charged a capacitor bank up to high potential and would send that down the wire...then he decided to see what would happen if he just shorted it hurt his body...thinking it was just a shock wave he built a shield and repeated the test...and it hurt again. So this time he used a copper shield and again it finally he built a copper box to sit in and even this hurt just as much even though the box was grounded. He continued his testing and found amazing effects would happen inside a hoop that was used to short the caps...and at some point he stacked a set of copper disks in a stack like a big capacitor and found that he could make huge electric discharges on the top of the stack. Then he discovered that the stack could be made out of a coil of wire similar to how we (people now not of Tesla's time) make the secondary of a Tesla coil...( I use the term similar as he used a space between his wires and most of you don't ) . You will notice that there are several ways to wire up the Hairpin. I only showed one way but I have done it several ways. These are the several ways Tesla made the primary of the Tesla coil. Tesla was experimenting with this coil without the secondary when he discovered the strange effects he was getting within the single turn primary. So that is the story of the “Hairpin circuit” of Tesla. At lest the very short version. Read the Book!

      secrets of cold war pdf

      Just Read a part of the book, here is a quote from it (chapter "Radiant energy" page 32):

      The true Tesla circuit, very much resembles a pulse jet, where no back pressure ever stops the onrushing flow. Electrostatic charge rises to a maximum, and is discharged much more quickly. The constant application of high voltage dynamo pressure tot the circuit insures that continual successions of "charge-discharge"are obtained. It is then and only then that the Tesla Effect is observed....


      • So this time he used a copper shield and again it finally he built a copper box to sit in and even this hurt just as much even though the box was grounded.



        • unipolar magneticly quenched sparkgap, releases radiant energy

          I read the first chapter of gerry vassilatos book "secrets of cold war technology..." 3 times now.
          Its full of very very good information, On how to release the radiant energy effects, way beyond the hairpin circuit.

          I found an interview of Gerry vassilatos, and made a snipped, where he talks about an important key. The magnetically quenched spark gap.
          The short unipolar impulses.

          listen to it in the attachment.

          its from this interview: Gerry Vassilatos: Tesla’s Ether Theory Interview | Shamanic Engineering

          The purple blue electronic discharges, and the white gasious radiant electricity stream can be seen here, start at 1 min 33 sec:

          Attached Files
          Last edited by evostars; 06-24-2018, 09:49 PM.


          • Radiant energy

            I made a 3 part video book review of the first chapter of Gerry Vassilatos book "secrets of cold war technology". This book is several times suggested by Karl Palsness.

            Its full of very good research info, about Nikola Tesla's radiant energy. How to produce it. It's very inspiring, at least to me.

            part 1
            part 2
            part 3


            • I found Gerry Vassilatos interesting.

              Tesla magnetic spark quench, a picture of that design, field indicated M:
              correction: that should be Mica boundary not field, sorry.
              Tesla magnetic quench.JPG

              There are some explanations (fig 4) what Tesla said about the Fig 5 configuration

              The article includes this Tesla quotation which is completely bizarre:

              “I charged the condenser with 40,000 volts. When it was charged full, I discharged it suddenly, through a short circuit which gave me a very rapid rate of oscillation. Let us suppose that I had stored in the condenser 10 watts. Then, for such a wave there is a flux of energy of (4 x 104)2, and this is multiplied by the frequency of 100,000. You see, it may go into thousands or millions of horsepower.

              such a wave, as he states basicly resembles an acoustic wave along with it's own electrical properties:
              We can see a relationship between frequency and amplitude in the picture.

              One example of the utilization of the wave was demonstrated in the stout bar experiment.
              Attached Files
              Last edited by mikrovolt; 08-31-2018, 09:52 AM.


              • Solid state hairpin circuit working and explained

                I made an advanced solid state hairpin circuit producing radiant power.

                It is based on a high side switched coil (L1) producing a negative back EMF impulse.
                This impulse is injected into a series resonant bifilar pancake coil (L2).
                The – BEMF impulse, replaces the sparkgap.

                This L2 coil also has a positive DC offset, charged by the – back EMF.
                The L2 coil equals the stout bars in the hairpin circuit.

                L2 is loose coupled (4,5cm) to L3 (bigger bifilar pancake coil) that is parallel resonant. So both L2 and L3 resonate on the same frequency. L2 is series resonant (low impedance, so impulse can pass to positive of power suppy, giving the L2 a kick) and L3 is parallel resonant (high impedance).

                L3 is parallel loaded with a 28W 230V light bulb, that lights up brightly.
                The current and voltage of L3 are in phase. This is rather unique, as it is 4,5 cm distanced from the series resonant L2 (current and voltage 90 degrees out of phase). Radiant power is produced.

                Here is the link to the video explaining it all. All info that is needed for replication is included.

                Here is the link to the schematic:


                • Radiant health from Hairpin circuit

                  The Radiant solid state circuit I shared on 19 April 2019 has more possibilities.

                  It can also be used for Health benefits. Nikola Tesla described it already in 1898 in Buffalo. A link to this document can be found in the video description.
                  When the Load (28W lamp) is removed from the L3 coil, the energy keeps surrounding the L3 coil in its electric fields. You can use this Radiant energy for health benefits.

                  Link to the video
                  “Radiant Health Radiant Health Benefits From Solid State Tesla Hairpin Circuit”:


                  • Bogus

                    what are you fixin’ evostars? I mean selling?