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RE: [TCML] Interesting Coil Wrap - Repelling / Attracting Discharges



Ya, just to clarify, I was talking about a single secondary, and a single primary.  The primary could be located wherever it wants, and the secondary was the part that had a different wrap style.  I am still trying to find the picture of where I saw this setup.  It was either a hand drawn type schematic, or a computer generated schematic, either way it was drawing.  It sounds to me, by what you guys were describing, like it was a bipolar coil style.  
 
-RyanRyan> From: electrotherapy@xxxxxxxxxxx> To: tesla@xxxxxxxxxx> Subject: RE: [TCML] Interesting Coil Wrap - Repelling / Attracting Discharges> Date: Sun, 3 Aug 2008 16:41:24 -0400> CC: > > > Herr Zapp - > > I think I have ages ago. I normally thread coil forms for cylindrical coils...and then lay the wire in the groove. That would make life much easier for this project. If I understand this correctly, you mean to make the left section of the coil with, say, a left-handed thread pitch, and the right-hand section of the coil with a right-handed thread pitch (or vice-versa?)...> > Please look at this:> http://www.electrotherapymuseum.com/2008/ParallelEffluves/index.htm> > It might make some sense...or not.> This is a coil similar to one I mentioned before, but two vertical coils,with two primary coils. If I remember correctly, the left coil is CW, and the right coil CCW. The primaries could be wired up so that the discharge was either the same sign or opposing signs. I wired the primary coils, which were flat ribbon, either in parallel or anti-parallel to achieve this.> > The discharges when wired for opposite signs attracted, ie, sparks between the coils. Nothing new. More interesting though, is when the coils produced the same sign. The discharges, instead of sparking towards each other sparked away from each other. You can see in the photos that the coils pour out brush discharges from the tips of the wires, but when the wires are brought close to each other, they still pour out brush but in opposite directions, moving away from the point where the wires are closest. Since the coils produce the same sign discharge, if you connect them in parallel they still spark, however, this throws the resonant frequency out of whack because suddenly you have different parameters for the secondary coils... > > Now, the interesting part is that when the discharge wires are separated and an object is placed in between them, it becomes the "ground" which BOTH terminals activelly seek out. If this is outside of the sparking capacity of the coils, the object in the middle (a piece of metal floating, a metal rod, someone's hand) pours out effluves in all directions. This is similar if you approach any coil at just beyond the sparking distance, but with two coils it reinforces this strange effects and the things simply bristle with electricity.> > This same effect can be done with two coils wound in the same direction, if they are placed side by side and have the primary coils wired in parallel.> Its taken from the work of W. Hyacinth Guilleminot, and was patented (and probably sold) by Radiguet in France. Guilleminot originally performed these tests with large flat spirals.> > Food for thought...> Herr Nervenkrank, er, Jeff Behary> > Date: Sun, 3 Aug 2008 10:02:14 -0700> From: quarkster@xxxxxxx> Subject: RE: [TCML] Interesting Coil Wrap> To: tesla@xxxxxxxxxx> CC: > > Jeff -> > Have you ever made, or actually seen a bipolar coil in operation that utilized a secondary with two segments wound in different directions?> > I think Ryan may have misinterpreted a simple bifilar winding technique (two parallel conductors) as winding each leg in different directions. Remember that "non-inductive" wire-wound resistors can be made by using the Ayrton-Perry winding technique, which results in two windings, in different directions, on a single form. This winding technique more or less cancels the magnetic fields in each leg of the conductor.> > A bipolar Tesla coil secondary wound using the Ayrton-Perry technique would have very low inductance, and would not function as a resonant transformer.> > (I'm talking about a single secondary with the primary located at the electrical "center" of the coil. Some have confused this thread with a bipolar twin-secondary setup, with two physically separate secondary coils.)> > Regards,> Herr Zapp> > > Jeff Behary <electrotherapy@xxxxxxxxxxx> wrote:> > (snip) "or you can have two secondaries on the same form wound in different directions and grounded in the middle." > (snip)> _______________________________________________> Tesla mailing list> Tesla@xxxxxxxxxxxxxx> http://www.pupman.com/mailman/listinfo/tesla> _________________________________________________________________> Get more from your digital life. Find out how.> http://www.windowslive.com/default.html?ocid=TXT_TAGLM_WL_Home2_082008_______________________________________________> Tesla mailing list> Tesla@xxxxxxxxxxxxxx> http://www.pupman.com/mailman/listinfo/tesla_______________________________________________
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