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Looney is invisible

S

Steve from Ohio

New member
to the E-trac on edge. For all you Canadian E-trac owners, try it. I have air tested and ground tested the Canadian Looney and it nulls every time as long as it is on edge.

Not sure why, but all the other coins I have tried edge testing and every one comes up fine. The looney comes up fine if head on and reads 03-31. But on edge, the E-trac nulls it. The only coin I have ever come across to do that.
 
The looney also nulls my Excalibur on edge. Hits it hard flat on, nulls on the side and then the Excalibur goes to the iron buzz. Strange. No other coins do that.
 
That's why I don't get why people say the Etrac has a more stable TID then the Explorers??? The Explorers don't really do that. My biggest fear is that skewing can toss my TID values into an area that I discriminated out on my ETrac and therefore cause me to miss a good target.
 
I tried it with my Excalibur and the same thing.....nothing. So I asked a friend who owns an Explorer to try it. Same thing.

I even tried no discrimination on the E-trac....a total white screen. The Looney was almost invisible to it. It did register at times, but for the most part I could pass the Looney on the coil and I got nothing.

That Looney is a very strange coin. All the other coins I tried ...silver eagles, Morgan dollars, silver quarters, silver dimes, copper pennies, zinc pennies......all hit fairly hard on edge. Yes the values did change slightly from straight on.

Not that I am going to find many Loonies here in Ohio. Just an observation.
 
Hi Steve.......An answer to your Looney dilemma.?????????

If you present this coin on edge the magnetic field will see a dominantly nickle coin.

Now nickel is a ferro magnetic material.

It is bronze plated. So presented 'face-on' it behaves like a bronze coin,due to the SKIN EFFECT.

But when presented on edge, the detector will see a magnetic material.

If you are discrimination out iron then you won't see the coin.

Please check with an open screen, and tell me the numbers..............TheMarshall


One dollar (Canada)
Value: 1 CAD
Mass: 7 g
Diameter: 26.5 [1] mm
Thickness: 1.75 mm
Edge: Eleven-sided, smooth
Composition: 91.5% Ni,
8.5% bronze plating
(88% Cu, 12% Sn)
Years of minting: 1987
 
See the above post. It would not see it unless it was tilted ever so slightly.

This is not a big problem as I have said because there are not many Loonies here in Ohio. Just an interesting phenomena.
 
digitrich said:
That's why I don't get why people say the Etrac has a more stable TID then the Explorers??? The Explorers don't really do that. My biggest fear is that skewing can toss my TID values into an area that I discriminated out on my ETrac and therefore cause me to miss a good target.
Click to expand...

******************************

Hi there Dig.

What are the E-trac co-ordinates that you block out, that cause you to miss good targets ?

TheMarshall
 
Yes you are right. Will not pick it up on edge no matter what with an Explorer SE or an E-trac and wide open white screens.The Looney is not there on both of the machines. I've opened up the screen. No discrimination supposedly. Is there any discrimination on a completely white screen? Is that a possibility?


I can pick it up on edge with the Excalibur on pinpoint which is all metal. But put discrimination on and it goes away on edge too.
 
Hi Steve from Ohio: About 1988 I was hunting along Huntington Beach and saw a eaten out 2x4 beam about a yard long. It had some 3/16" by 3" long stainless steel looking screws that I could just not pick up. Later at home, my old JW Fishers would not pick up the old screws either, but would pick up the SS screws from the marine hardware supplier, which the XLT would also pick up. When I got the White's Surfmaster a few years later, it would barely pick up the SS Screws. Later still I got the DFX and it wouldn/t hit on the old screws either. But about 6 months after using the DFX, I was using reject -95 to -93 and accepting all else to get depth in the high mineral beaches in So Cal. This time the DFX picked up the screws very well, to about 4". I pulled out one ot the screws and took it to the marine store and the owner told me that the scres was made out of "Monel metal" used on large wooden ships because it does on oxidixe or rust in the ocean. The old XLT would also pick up these old screws when the discrimination was turned way down. Monel is nickel and copper alloy which is maybe the kind of configuration you get with a sideways Looney
Another thing. Dimes for instance can sometimes be heard quite deep, sometimes deeper than a quarter. But a vertical held dime, edge left and right, can sometimes be very hard to pick up, but if held vertical with edges front to back, can easily be picked up. Therefore it might be the case that the Looney might be heard when held verticla, but turned 90 degrees so that one edge is towards you. Hope this might be of some help and the best of hunting to you.....How.
 
It's the coposition of the Loonie. I don't have a Minelab, but my detector does the same thing. It will hit it flat or slightly angled , but not on edge.There are some detectors that have quite a time with our Canadian clad coins as most detectors are setup mostly for US coinage.The brand that I am using have the circuitry to accept the clads although they are not stable on ID and tend to bounce around a bit, but hit high on the ID scale. HH KRT
 
Well this sucks.... I live in Canada and was looking forward to using my E-Trac for loonies and toonies.... just checked mine and it nulls out no matter how the loonie is positioned to the unit (I get slight hits on the toonie). I put it on relic mode so there was no discrimination and there are no cross hairs... :thumbdown: This is two things that the E-Trac "doesn't" do that I'd think a $1,500.00 detector would do. I had hoped I could just go in and white out the area in the discrimination area and save it as a custom program but if the stupid thing doesn't give me crosshairs on an all white screen that's going to be kinda hard to do... after I bought it I found out it doesn't even perform as well as the X-Terra 70 for gold so I went and bought a GPX-4500, do I need to now go buy another detector for loonies? These are $1.00 and $2.00 coins, big potential to make some $. Come on Mindlab... some of us live in countries that don't have USA in the initials. :angry: It would be nice if Minelab offered an area on their site with costume patterns etc for each country (or at least the main countries at first).

Jennifer
:canadaflag::ausflag::minelab:
 
jjbond said:
Well this sucks.... I live in Canada and was looking forward to using my E-Trac for loonies and toonies.... just checked mine and it nulls out no matter how the loonie is positioned to the unit (I get slight hits on the toonie). I put it on relic mode so there was no discrimination and there are no cross hairs... :thumbdown: This is two things that the E-Trac "doesn't" do that I'd think a $1,500.00 detector would do. I had hoped I could just go in and white out the area in the discrimination area and save it as a custom program but if the stupid thing doesn't give me crosshairs on an all white screen that's going to be kinda hard to do... after I bought it I found out it doesn't even perform as well as the X-Terra 70 for gold so I went and bought a GPX-4500, do I need to now go buy another detector for loonies? These are $1.00 and $2.00 coins, big potential to make some $. Come on Mindlab... some of us live in countries that don't have USA in the initials. :angry: It would be nice if Minelab offered an area on their site with costume patterns etc for each country (or at least the main countries at first).

Jennifer
:canadaflag::ausflag::minelab:
Click to expand...

Hi Jennifer,
I too went from a X-70 to the E-Trac and I agree the X-70 was way better on Canadian clad. The E-Trac pattern I'm using now seems to find clad OK, along with Loonies and Twoonies, but agree when on edge it's tuff. Air tests they don't make a peep but I've found that in the ground you can still get most of then. They seem to jump around a little around the 34Fe - 46Co area along with the nails. :( I can email you the pattern I use if you like.

HH
Dave
 
Jennifer.

Can you say what this coin read on different detectors. You mentioned the terra 70...

I wonder why it doesnt read on an open screen. Are you sure it is a open screen.

The reliv mode on the E-trac has a discriminated part or did you remove that too.
 
Hi Dave... thanks for the reply.... when I first started reading peoples various posts (unrelated to this topic) and them saying how they have 4 or 5 or more detectors I said to myself, what the heck for.. just buy one real good one.. well now I know... I just assumed that buying the most customizable wiz bang one would give me lots of flexibility to be able to dial in custom stuff. I figured between the customization system and changing coils there wasn't much the E-Trac couldn't find (shy of being a dedicated PI machine). I guess I was wrong and I was stunned when I found out that the $600.00 X 70 did better than the E-Trac (as told to me by Minelab themselves)... I'm now looking at getting an Excalibur for surf detecting as well, so I guess I'll end up with multi detectors as well... I'm just kind of wondering why I bought the E-Trac if a 70 does better gold and Canadian coins... what's the point of the E-Trac then, what does it offer other than twice the price (hypothetical question).

I would love to see your pattern... you can send it to jjbond <@> jenniferbond dot com

Very much appreciated..
Jen
 
The Beep Goes On said:
When I did my US coins air testing, the E-Trac, the SE and the DFX all gave jumpy signals if the coin was on edge with the coin parallel to the sweep. They came in OK when the coin was perpendicular to the sweep, although the E-Trac showed some variability for some of the larger coins.

Beep
Click to expand...

I don't get any indication on the loonie (other than a null out) no matter how I hold it in relation to the coil, how fast I swing it or how close. I assumed if there was a null, I could find it in a total non discriminate mode and just add it to the profile but I don't get any crosshairs, just a null... I'm probably doing something wrong, I'll play a bit more later.

Thanks everyone for your feedback. By the way... I'm not sure if you know that we have a Canadian forum now over at Minelab owners dot com... (seeing as most of us here are Canadians or dealing with Canadian coins I figured I'd share that)... check it out, it's just been added but a great bunch of folks.
Jen
 
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