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Anybody Ever Try This???

silverseeker 2

Well-known member
Just curious if anybody on the Forum here has ever made
a Splitter or Pigtail so you could run 2 coils Side by Side?
Is it even Possible to do this or would it drain the detectors
Power so the Detector would not run or perform right?
Curiosity got me Pondering... I know, Curiosity killed the cat
silverseeker 2
 
Just curious if anybody on the Forum here has ever made
a Splitter or Pigtail so you could run 2 coils Side by Side?
Is it even Possible to do this or would it drain the detectors
Power so the Detector would not run or perform right?
Curiosity got me Pondering... I know, Curiosity killed the cat
silverseeker 2
I want the large 11 inch coil to have a six inch center coil and a bush bottom on the detector face to toggle between the two.
Also, a very small coil in the exact center for the pin pointer!
Oh one more thing, I want to talk to the machine to make settings changes, instead of looking through the menus for me to fat finger something.
Tony NJ
 
Just curious if anybody on the Forum here has ever made
a Splitter or Pigtail so you could run 2 coils Side by Side?
Is it even Possible to do this or would it drain the detectors
Power so the Detector would not run or perform right?
Curiosity got me Pondering... I know, Curiosity killed the cat
silverseeker 2
Nexus Metal detectors has some coils as you describe their largest coil in that configuration is Dual 31inch coils side by side two 31 inch coils, could not even imagine trying to swing a coil that large, would have to use a detecting harness for sure to be able to swing something that big, if I remember correctly it runs 5.7 KHz

here you go scroll down until you get to the coils

 
You know when SunRay made the pin pointers they had the right idea as the probe was a actual 1 inch coil. Now if you disconnect the probe from the switching control box and added a smaller coil on a old extra shaft you would have it. the toggle switch one way would be the main coil and flip the switch to pinpoint and you would have the smaller coil, when done you switch back to the main coil. Now the extra coil could be carried on your belt when you need it so you just flip the switch and that will shut off the main coil and now connect the smaller coil as it would have have the extra rod connected to it or even make and shaft. It may be slightly clumby, but sure be better than trying to swing both coils at one time.

Rick
 
There are much better people than me to accurately answer your question, but I suspect they dismissed it altogether so I will attempt to explain what happens.

A splitter cable to add 2 coils wouldn't work on a wired detector because the impedance of 2 coils would be halved if wired in parallel or doubled if wired in series.
Running coils in parallel would probably burn out the transmitter circuit, series would reduce performance greatly and possibly not even work.
Even if it were possible to add impedance matching circuit to the wiring to bring the total impedance of 2 coils to equal 1 coil, that circuit would eat up all the energy going to the coils.
If it worked at all, the performance would probably be so bad that a 1970's BFO detector would outperform it.
 
There was a member called Paul (CA) (Old California) from memory that posted the picures on the Findmall Explorer Forum or maybe Modifcations forum that he did indeed make the Explorer in such a way. “Swiss Army knife" kind a style but instead of switching blades he would do so with large coil or smaller coil through a Sunray X1 switch box. Not seen a version that allows side by side coils opertaing at the same time. There might be though.



two-coils-01.jpg
 
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