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WOT or Detech 17.5" - which one to choose?

Martin

New member
I'm thinking about buying a bigger coil to replace on some occasions the stock one. I was thinking about the 15" WOT or the 17.5" Dtetch Penetrator. Which one should I choose?:confused:

Martin
 
I have the wot and I don't have any complaints with it. It will give you a wider coverage and in some cases a little more depth on coin sized objects and does really well on finding coins on edge. It is better at id'ing deeper,larger items than the stock coil.
Steve(MS)
 
OK. first I am the COILTEK distributor for the U.S.

Now about coil size. When Coiltek set out to make a larger coil, we found that 15 inches was the optimum size, and taht by going larger we actually lost depth, and sensitivity.

WHY???

Because anything bigger than 15 inches and the Explorer has a hard time handling all of the ground mineralization it is looking at.

The Explorer was not designed to handle coils that are too much larger than the stock 10 inch coil.

A coil larger than 15 inches is looking at so much ground mineralization, that in the process of trying to deal with this massive amount of minerlization you start to lose depth and sensitivity.

Now maybe Detech knows more about buidling coils and has developed a technology that boosts the Explorer's ability to handle mineralization and maintain sensitivity. If so, they are much smarter than us.

BCOT!

DOC
 
DOC,
mineralization don't seam to be a problem with the sensitivity at 29 up to 32. What I'm looking for - I should have started with it - is:
1. the ability to find coins at bigger depths than with the stock coil and if possible cover more ground.

2. the ability to find bigger objects, say helmet size - at greater depths.

Yes, I've heard that with the Detech coil, big is too big, but I've never tested one or another in my ground conditions so I'm asking.

Martin
 
I have used the WOT exclusively in the Exp I for over a year as my only coil and loved it. I have mixed use of WOT and standard coil (and SunRay 5") on my Exp II and still love it. I also use it heavily on the Sovereign (at least you can bag-hip mount the Sovereign). I can't speak for the Detech 17.5, but I see more disadvantages than advantages to the extra-large sizea as discussed in other replies. Good points on the WOT-there is no doubt in my mind that it will find more older coins than stock coil in soils not TOO junky. It will wade through a quite junky soil and still find things, but obviously the cleaner the soil the better it will perform. An OLD ballfield, picnic grove, etc with no pull tabs and few nails sings out for the WOT.. I would say it is finding some coins a few inches deeper than the stock coil, but the majority of old coins found with it (in hunted-out areas) are still mostly 6-10" (Chicago area, medium mineralization soil), similar to stock coil. What seems to be happening is that some coins, because of tilt in soil, nearness to a small piece of junk, or sheer cussedness give a weak or very mixed signal on the stock coil, perhaps shifting things well toward the iron left side of scale, and may be passed by as junk. The WOT seems to get a stronger signal back to process, and they sound more coin-like, and you dig them. Pinpointing is no more difficult than with stock coil. ANother surprise- the WOT picks up very small items, much smaller than you would expect. A half-dime or silver 3c piece is no problem , or a tiny button, .22 shell, fraternity pin and so on. Beaches or fields with coins and signals far between can be covered much faster with the WOT than stock coil. The NEGATIVES- some obvious. It is HEAVVVVY to swing. It is hard to tighten sufficiently without stripping bolt so it doesn't fold every time you lie the detector down. The detector rolls over easily when you put it down. Very junky soil becomes impossible. Depth gauge is of course off a bit. I am sure all these things hold true for either detector, but I am very happy with all the WOTs I have had, which have worked faithfully and found scads of neat things. Good luck!
 
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