By Steve Herschbach
I have been lobbying for over 6 years - more like a decade - for somebody to produce a replacement for either the White's Bigfoot, or Tesoro Cleansweep coils. These narrow 18" long coils are superb at scanning large areas for relatively shallow targets, making them excellent for jewelry detecting in large fields, and for vacuuming up recent coin drops. They are so efficient at this that some planted coin hunts prohibit them as an unfair advantage. Also great for beach detecting recent drops, relic/coin hunting huge fields, patch hunting for gold nuggets, even meteorites. See my long thread here for details on the subject.
The short story is that the Bigfoot was a 3" x 18" figure 8 wound coil, specific to some White's models. This design has advantages, but is very hard to make, pretty much a hand made coil. And to really work best, a detector needs to be optimized for it (see additional post below). Barring some process breakthrough, I expected getting this coil back into production to be difficult at best. I therefore also concentrated on the Tesoro Cleansweep design as an option, as it is simply an elongated DD coil, much easier to produce properly in volume at lower cost, and with no oddball operating characteristics.
I tried to get Nokta/Makro in particular to make these, as they are generally open to new ideas, and I thought, and still think, a detector sold with this coil as stock would be a unique offering that would attract attention. That came to naught, unfortunately. Then, about a year ago Detech contacted me on another subject. I used that opportunity to once again bring up the elongated coils as an ignored market, and they seemed enthusiastic about pursuing it. But then nothing, silence for a long time. I pretty much gave up hope. I was contacted by another old detectorist on the subject recently, and said just that. I had lost the original contact info from Detech, and was resigned to these coils never happening again. And frankly, I have one, so I'm covered. I just wanted so much for others to be able to get their hands on these coils, especially for machines that never had them as an option.
Well, miracles happen!! I just was notified that Detech is producing a 4" x 18" DD coil that will be available soon (not sure how soon, but they may chime in on this thread hopefully). I do not know the weight or price, but with Detech I am sure that the price will be reasonable. The best part is that it will be for more than one brand of detector. The list I was just provided with:
- MINELAB'S EXPLORER / E-TRAC / SAFARI
- FISHER'S F75
- TEKNETICS T2, G2, GAMMA / OMEGA
- GARRETT'S ACE AND AT PRO
- WHITES' DFX / MXT / M6
And so without further ado, let me give you your first look at a genuinely new product for some detectors, the Detech Arrow! One of my favorite all-time coils is the Detech Ultimate series, so I know they make some great coils. This is a niche coil, but one many people crave. I want to give a very personal thanks to Detech for doing this, as it is something I have tried hard for a long time to get somebody to do, and they have granted this old guys wish finally. Thank you!
I used my Equinox a lot in longer grass, and also in very rocky areas. The spoked design coils are never my preference but that's all the Equinox has. I couldn't believe it when the Coiltek 10x5" came out as an open design and I asked if they intended to make a solid coil cover for it, they told me no they don't. It would be very funny if Nugget Finder started making solid skid plates for the Coiltek Nox coils, In fact I hope they do.
I noticed they have them for the Equinox 11" coil, so I just had to have one. I hope they continue this trend and make them for 6" coil too.
Seems well built, fits well... is solid, what more could I ask for?
Now I just hope they make more sizes for the other coils, especially the Coiltek 10x5" and ML 6".
It was almost to hot out to detect in Arizona, Meadview was listed at 106 and it felt every bit of that and more swinging the 7000 out at Gold Basin working my way down a breezeless wash in the scorching hot sun. It was hot but tolerable at sunrise by 10AM I was keenly aware the potential for heat stroke. constantly sipping from the camel back I was feeling dehydrated, at 11AM I was getting a headache and decided to retreat to my air conditioned trailer luckily the new coil had come thru and I had 2 in the poke.
After a snack of this tasty little container of tuna in lemon and thyme I’d picked up at the market with crackers a couple bottles of water and an air conditioned nap until 2 PM, I headed out to explore for new ground in my air conditioned Jeep and hunting a few places briefly as much as I could tolerate but despite good looking ground nothing to show for my effort, I was thankful at least everything went without a hitch a flat tire or breakdown would have been brutal.
getting back to camp the sun was beginning to set and while hot without the sun beating down doable for another swing with zed, I managed to pick up one more from the location hunted in the morning and a second from a spot on an opposite hill side before giving up.
today I ran the full set of ornaments, wm12 into the SP01 with Bose ear buds and the 12” Z Search coil, I ran hot sen 18, vol 14, smoothing off, normal, thresh 26, semi auto gb and I had no difficulty telling targets from hot rocks for the most part and the target signals were clearly targets running with and without the SP01 I much prefer the audio with the SP01 the signals seem tighter and the coil runs a bit smoother.
all in all, 4 little nuggets and two meteorites one a tiny tiny iron nickel in a few hours time behind the coil, I’m happy.
Got out for a hunt today in some of the worst conditions I’ve ever detected in, the wind was howling and the EMI was in machine gun mode so bad until afternoon when the atmosphere finally settled down it was impossible to detect. Then in the late afternoon the sky cleared a bit and my coil found itself over 6 little nuggets all found within an hour inside a 25 yard by 25 yard area, not a virgin patch but a patch!
By Rob Allison
Well it's been a bit since I had the 12" NF Z Searchcoil on my GPZ 7000, but it managed to show the same results once again. It was about 3 months ago when I originally was field testing the new NF 12" Z Search, before it's release here in the US. I managed to take it back over a few patches I hammered hard with the stock 14x13 coil, but still was able to find about a dozen for so smaller gold nuggets that I missed. The hyper-sensitivity this new coils gives, plus the lightweight, make detecting with the GPZ 7000 much easier and pleasant.
I managed to just get in the first batch of new NF coil for the GPZ and even got a few that I didn't expect. Most of them were pre-sold and spoken for, but I still have 1-2 left I think.
I went out for my second, first day, meaning I only got one day on the first coil then a customer/good friend just had to have it. I ended up hunting all day, sun up to down down and scored the nuggets below. I'm super impressed with this coil, so if you own a Minelab GPZ 7000, this is something to consider if you're looking for a lighter coil and something that is more sensitive to smaller/specimens vs. the stock coil.
Just a FYI, the original coil I sold has scored well over 100 nuggets from what I'm told and some of the recent coils that just hit customers hands (some pictures now on this forum) have scored gold.
Congrats on all the new NF Z Searchoil owners and new ones to come!
Here are a couple things I've run into detecting lately that I figured I could share here for some motivation!
This first one comes from a patch where the trash is elusive and the hot rocks are warm at the worst.
This one gram specimen is the first specimen I've ever found at this location. I found it detecting a small gully on a big hill sitting near the top of a cut bank about 2 feet above the surface of the bed of the gully. It was the first gold find on that particular outing and in an area near my main patch which I hadn't yet found gold, let alone detected much at all.
What's more special about this little guy is that all I had found up to that point detecting new areas was trash (bullets and bits of steel). When I started detecting this gully, all was silent for about 20 minutes until I swung my coil over something that screamed really loud and sharp. After I moved it in one boot scrape into the gully, I knew it was going to be a .22 shell or some nice chunk of a bullet. But I gotta recover it right!? Whether it's just to remove the trash to clean the area up or to find out for sure if it's trash. Well, these finds are the most satisfying type! KNOWING I found trash and then somewhere along with all the nudging around I somehow managed to perform some alchemy and it turned the bullet into a nice little chunk of gold! So dig it all!!!
Bringing me right into my next reality checker find! Back to a very old patch where there is a lot of old diggings, trash, and black hot-HOT rocks!
Here I am on this trip, 13 hours of detecting, 0g of gold, 10oz of steel/aluminum/brass, and 50kg of HOT iron nodules kicked and/or tossed behind me until finally, I get back onto some gold missed by who knows how many enterprising prospectors. Now it's about enough to drive me mad and hopeless with that much skunk! Is my detector working? Yes, remember all the small bits of steel found at depth and how well the detector responds to air tests today. Is all the gold gone? No, you're still digging targets no one else has bothered with in old placer diggings that you've found gold in before. Should I stop digging at signals when I can see a hot rock sitting on the surface under my coil? No, what if it's masking a nugget!
Well, it happened! I moved one of those hot rocks, still a signal... Another hot rock! I'll move it... Still a signal. Another hot rock!? ...finally 8 inches deeper into the hot rock hole and I'm dealing with a steady signal, no visible hot rocks, and not much hope. But out pops a little smooshed nugget! PERSISTENCE!!!
Excitement, energy, and conversely, fatigue all culminating in this moment, I must still stick to SOP. Recheck the hole. STILL another steady signal. No way... YUP! Another gold find, same hole! I ask myself, "Can this hole go for three?" The hole responds with... well it doesn't respond... But if I wouldn't have moved those hot rocks, I would have never heard those little nuggets hanging out beneath them! And if I wouldn't have rechecked my hole, I would have left one behind. Could you imagine how it would have made that nugget feel, being unearthed for the first time in it's life and being left behind all alone! Stripped away from it's partner that got taken... Coulda been a shame. BUT IT WASN'T!
Anyways! I'm looking at ~50 fun hours on my 14x9 Evo and I'm very happy with it! So here's a little Evo motto pic with about 3dwt of gold for everyone to enjoy!