Interesting air test...

[Dang]

I did some air tests with my Bandido and discovered a interesting effect a broken ring had on the detector.
The Detector would only respond when the ring was under one side of the coil. Which explains why my pin
pointing was so far off from the target. Coins and complete rings responded normally, Is this a normal
reaction with all detectors?

 

[mascard1]

I think you just have a left handed detector?

 

[slingshot]

Yes, sort of like a coin on edge.

 

[Elton]

n/t

 

[SkiWhiz]

Wow that doesn't make much sense but I believe you. I don't understand why this would happen. Is there any masking under the ring or is it a clean area ??? Steve.

 

[tab-nabit]

I wonder if it would do the same if you turned the ring 90 degrees so the ring opening is now in a different relation. Also, wonder what it would do with the ring on ground surface, and then under the surface and different locations due to soil conditions, masking etc.
Then distance from the coil and sweep speeds.
Hummm, by your illustration that seems a good bit off from coil center.

 

[tvr]

Were you in discriminate mode listening to the beep to pin point or in all metal / pinpoint?

I have experienced that with the beep at one place but actually pinpointing in all metal was spot on center with the Tesoro detectors I have. My Fisher CZ's in pinpoint have been off in pinoint mode on coins on edge or with broken tabs and irregular shapes.
tvr

 

[Dang]

This was observed during a air test. In all metal and disc. Same results.
During the actual find my pinpointing was way off. And the Bandido is a very accurate
pinpoint machine. Dead on when I auto-tune it a couple of times.
I also I have a smaller gold ring with a hairline break. When I found that ring
(X-Terra 70) it was near flat and bent. After I reshaped it back to a ring, like
Elton says I got no signal with my old Explorer. Unless I squeeze the broken ends together.
With the Bandido it's choppy and sounds like trash until I squeeze again.
I abandoned many targets over the years cause I figured it was something too big and deep but
now i wonder if some of them were rings assaulted by mowers just a inch or
two off to the side of the plug....... And think of all the odd shaped jewelry that give
the same results...

 

[tvr]

That is interesting.
Thanks for sharing the observations and the experiment.

 

[Malox]

I found a broken ring that I believe is brass and it had a good signal both ways with my Cortes.
Jim