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DeepTech

What large coil will give me.........

A

Anonymous

Guest
the best depth on coins in moderate to heavy mineralized soil in the ALL METAL mode ? The detector is the Bandido II uMax. The scenario would be an old park with moderate trash but fairly easy to dig soil.................
<IMG SRC="/metal/html/tesoro.gif" BORDER=0 width=45 height=18 ALT="t~">
 
have to say the 8x9 or 10x12. I will add that there are times when <EM>"better depth"</EM> is obtainable by using a smaller coil, such as a 7" concentric. It really comes from trial and error, using two or three sizes in your hunting environments on your detector.
<BIG>►</BIG> 7" CONCENTRIC DEPTH ADVANTAGE OVER LARGER COILS: I have found that when a site is trashy, coils larger than 7" can be hamperd by masking problems while the 7" can "work between" better and thus get "better depth." Additionally, I have worked a few sites where the mineralization effects cut the performance of larger coils, thus allowing the 7" to actually get a little "better depth."
<BIG>►</BIG> 8x9 CONCENTRIC DEPTH ADVANTAGE OVER SMALLER & STOCK COILS: I personally do not care for the brown colored coil, but that's a personal thing. Often you can't tell much difference between close-sized coils in many applications, but after spending more time afield I have found the 8x9 'spoked' concentric coil to give just a tad bit better depth. No, the difference isn't like night ☻ and day ☺ but I have noted a little improvement in depth on smaller-sized coins.
<BIG>►</BIG> 10X12 CONCENTRIC DEPTH ADVANTAGE OVER ALL SMALLER COILS: I AM a big fan of smaller coils in the 4"-7" range, and have never big a big fan of larger-then-stock coils. That's not to say they don't work, just that I don't have that many applications for them. Still, I reflect back a number of years (15+) to when I did have some use for a larger coil on plowed fields and football fields. I opted for the 10
 
<img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)"> As usual another great post Monte!
Since the Widescan coils are often touted as being the best in highly mineralized soil. I will comment on the one coil you did not mention. I have the 11" widescan and am not using it in high mineral areas.
I have not found that it offers a significant increase in depth over the 9X8 on coin size targets.
Larger targets yes but not coins.
If I were choosing a larger coil I would now go with the 10X12.
 
Since Roy's planning on hunting exclusively in All Metal mode (which is where ground minderalization becomes less of an issue compared to a the same mineralization/coil issue in Disc mode), wouldn't the size of the coil (from stock 8" or 9x8 size upward, and not getting into the smaller than stock sizes, like the 7" or 4", or the widescan/DD coils) as it relates to depth alone be almost a non-issue?
A stock 8" in All Metal can get you some pretty amazing results. I'm just not sure myself that going to a turkey-platter 10x12 or even a widescan (do those even work on anything non-Lobo/Tejon) would get you phenominally deeper to justify the additional major cost. Especially if it happens that there isn't much beyond 6-8" down to find in the first place where you're hunting.
Just tossing out a questionable thought there.
Scott
 
I have used them a lot on a variety of makes and models and have not been impressed with their performance on <EM><STRONG>most</EM></STRONG> detectors. I DO LIKE their performance on the Lobo ST & Diablo
 
Beats Me Scott? He asked about depth gain.
And while I have little experience, I have come to the conclusion that Depth is greatly overrated.
In the Parks, Schools and playgrounds and Sportsfields I hunt Target Seperation and Trash rejection are far more important than depth.
Oh and the Widescan does work on the Eldorado, covers ground well and really likes bottle caps(kind you needed an opener for). I can max out Disc and it still beeps on them, can only id because they get raspy at max disc. It is a keeper but does not greatly increase depth on coin size targets.
 
I'm going to start with the supplied 8" coil and go from there.............
 
Good Choice Roy!! As Monte stated or hinted at in his post, Most of us don`t really get to know the machine and it`s capabilities before we start looking for accessories to enhance its performance.
I think I am certainly guilty, since I have accumulated the 11", CSC & 7" in my first season of detecting. No regrets since regardless of any machines I might get in the future I will probably keep my Eldorado and eventually pass it on to my grandkids. The coils will be used.
A much better plan would be to accumulate accessory coils when you know your equipment and discover that the coil you have will not perform the duties you want it to.
Good Luck!!
 
More Good points Monte! Since I detect in an area where Minerals are almost non-existant.
I have nothing to go on but theory.
No apology was needed. <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
 
YET AGAIN, I agree with what you say! <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> although I would say that; with my old SS2, I used to use the stock loop. This worked fine for most applications but, when I got me a widescan loop and hit my iron infested Roman sites, I really did notice a big difference in my finds rate compared to the concentric loop! there really is a good argument for having a concentric AND a widescan loop for your machine .... I know there is a baffling array of coils available FOR ALL MAKES OF DETECTOR, but if you had to restrict yourself to two, then a medium sized concentric and a widescan loop would cover most of the bases in most detecting environments (I think). <img src="/metal/html/wink.gif" border=0 width=15 height=15 alt=";)">
 
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