GPX 6000 technical information page

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Interesting seeing the "guts" of a 6000 .... anything similar on the "guts" of the coil.
Might give us a better understanding of what will make the NF or Coiltek a potentially better option.
Tks for posting.
 
Attached are some edits that I made to the X-rays last year. Note the small hair sized wire inside the Mono and Double D coils is used to make connections to the EMI/Faraday shielding.
Have a good day,
Chet
 

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Thanks for clearing that up, yet to see an example of a "flat wound" coil.
Assume that under the "ferrite cube" there is a heap of electronic wizardry that's visible in some of the other coil
X-rays, although they don't seem to require "shielding" for whatever reason.
As you seem knowledgeable in coil electronics, "turns", "layers", "uH" (??) and "ohms" etc, in what way does flat winding improve coil performance.
Tks for your input.
 
Within the ferrite cube there is a small printed circuit board that is used to solder / splice the internal coil connections #1, #2, #4 and identification (ID) chip #3 to the external coil cable.

The ID chip is a simple three wire memory device that is read by the detector. It contains information such as; it is a Minelab approved coil and the characteristics of the coil such as Mono or Double D and the manufacture’s name.

The ferrite cube is a Minelab patented procedure to prevent the magnetic field around the solder; copper plated board; and ID chip; from interacting with magnetic particles in the soil surface which may cause undesired effects.

My thoughts on flat windings:

High frequency electric coil currents flow near or on the surface of each turn of the coil wires.

Coil wires that are side by side have opposing magnetic fields that act similar to that of trying to push two North poles of two magnets together.
When coils are bunch wound the crisscrossing opposing magnetic fields constrict and pinch-off some current flow in all of the turns.

Flat wound turns push the side to side opposing currents to the top and bottom edges of each turn.

This creates a uniform reinforced broad magnetic field band around the perimeter of the coil as well an improved overall coil field.

Have a good day,
Chet
 

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Thanks mbasko, that's an interesting link, for those that want a quick look, the 2 photos are of the 6000 11" mono, assume I'm looking at "bundled" rather than "flat" wound wiring (????). Not sure if someone lost a few hairs or whether it's just very thin connecting wires (in close up photo). Haven't found a Coiltek or NF example, will keep looking.View attachment 2404View attachment 2405
That looks like a flat wound coil to me.
As I understand it, a bundle wound coil would resemble more of a spring appearance.
 
This more like a bundle wound coil.
 

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This more like a bundle wound coil.

If that is "bundle wound" and the 6000 coils x-ray does show "flat wound" then apart from size there may no longer be a major point of difference between Coiltek/NF and the ML coils.
They always expounded the "flat winding" as a big difference in performance.
Love to see an x-ray of the others "flat winding" to see if it's the same as the ML picture.
 
Sorry, I can't really explain what the data means.....but this pic shows a bundle wound, a flat wound and another? Style of coil.
 

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Sorry, I can't really explain what the data means.....but this pic shows a bundle wound, a flat wound and another? Style of coil.
Thanks davent, think I've also heard occasional mention of "spiral" wound, guess that's
what your previous pic and the 1st of the 3 recent pics might be.
Guess we need an electronics expert to explain the differences/benefit to us.
 

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