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My Take On Aftermarket Zed Coils

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On 5/4/2019 at 6:18 AM, Jonathan Porter said:

I highly recommend users who do not use the ferrite to use Auto GB mode to at least give the electronics half a fighting chance.

Thanks JP.      I don`t use the ferrite ring anymore but I seem to remember in the early days of the 7000 you said something along the lines of in auto GB it take about 20 min for the X balance to come in on the 7000 and since then I`ve always run Auto GB.     I always appreciate your comments and observations. Dave

Edited by phoenix
spelt a word correctly
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1 hour ago, phoenix said:

Yeh nothing to do with new coils, but settings, a few months ago I got a target in Difficult/General that I had to dig down about 10" before Difficult/High Yield could hear it.    I always thought it was going to be rubbish, but once I detected it I had to find out.   It was ☹️

High Yield at least for me,  seems to take out the majority of the nuggets . I went over a patch in General after doing it with high yield, and nothing more was found. Maybe for specific types of gold deposits or ground types it works better?  Just wondering what experiences others have in General...

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I've also stopped using the ferrite too from laziness, though I haven't noticed a change, I'm probably in ground as mild as JW's, and I stay in Auto too.

I'm curious though since it seems JW is using a prototype coil - JP seems to indicate there were some early problems with the prototypes regarding saturable soils and heavy X components in general. So since we are at a production model now, have the coils been dialed back some to account for this and aren't as sensitive as the prototypes? Or perhaps the opposite, as Simon has ventured to guess in a previous comment, maybe the production units are more polished and even better than the prototypes? I'm looking forward to more testing as people get these coils to find out, especially some comparisons if anyone feels up to it. It would be great to know the differences between the OEM, prototype X, and production X.

Especially looking forward to seeing how they do in salt if anyone out there in NNV has one yet.

If the prototypes end up a lot more sensitive than the production then they might have quite a bit of value to those of us in mild soils. Or maybe there might be a way to mod the production units to be more sensitive if we don't have to deal with crazy hot ground and they are dialed back? Just curious, it's hard to get a grasp on all this right now as I don't think we understood the coils in the review were not the production units we can buy until near the end of this discussion here and it would be good to know what the differences are, if any at all.

21 minutes ago, WesD said:

High Yield at least for me,  seems to take out the majority of the nuggets . I went over a patch in General after doing it with high yield, and nothing more was found. Maybe for specific types of gold deposits or ground types it works better?  Just wondering what experiences others have in General...

Wes, I was stuck in General for a while (due to me not understanding my pinpointer was interfering, I was gone from forums by the time the garrett was released and my Nokta never interfered, so I missed those posts, Dave figured it out for me). I redetected a wash in HY that I had hit in general twice and thought it was pretty much empty, most of the gold was 1/4 gram to 3/4 gram originally. Yet, in HY I was able to pull over 1/4 oz of little bits out again within a few short hours that general had missed. I got one of these on video going over different settings combinations to see if the detector really didn't hear it or I just missed it, and the detector definitely didn't hear it in general. I'll try to find it and post it up when I get home later this summer, it also shows just how big a difference a little gain makes, even from 15 to 18.

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JP, thanks for that info re using the ferite. I have only used it a couple of times since i got one. The ground we have detected has been tanami desert, tibbuburra, adelaide hills and one area in victoria. In all instances we just did the normal ground balance and then only rebalanced when going to different area. With the new x coil we have been adelaide hills and victoria in one area. This spot in victoria my mate tried the coil as well with my conector lead and on this very hammered spot where we new there was deep gold he pulled a 13g nugget that the 14" minelab coil had no chance of finding untll partially unearthed. Re noise, i have not really noticed any difference and i admit that i am a ground scraper. Skid plates never last very long. The xcoil that i have is i believe flat wound, not spiral wound so what the difference is between the two i do not know as have not used a spiral wound coil. Just another point,  i am not professional by any means and am still learning, but we have been very lucky and those that know me call me tin arse and superhuman ears. Just lucky i guess. I have no comercial interest in these coils, but took the jump early and do not regret it. We will be giving the 10x9" more of a try soon. Yes was hard to cut 14" coil lead but this was done for a special spot we have, where gold now left there is deep. Just need to get health good enough to get back there.

Edited by Travelergold
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46 minutes ago, Travelergold said:

The xcoil that i have is i believe flat wound, not spiral wound so hat the difference is betwee the to i do not know as have not used a spiral wound coil. 

G'day Wally (Travelergold)  thats not quite right, your X-Coil 18" is a more traditional wound coil (more like the SuperD), spiral wound is much more like flat wound, and there are certainly X-Coils that are Spiral wound type.  All the X-Coils have 3 windings, same as the GPZ coils, 2 RX windings and 1 TX winding in the center, it is the TX winding that is Spiral wound if the X-Coil is called a "Spiral" type coil.  

cheers dave 

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Well, I'm a bit in shock after today, JW killed it again with his X-coils more so than ever, it's getting out of control ?  I'm sure a post will come from him about our day but he's got some catching up to do on his gold find posts, he's getting so much gold lately since getting his X-coils. It feels to me like every place we go since he's got them it's like he's on new virgin ground and here's me like a rabbit, digging holes everywhere for nothing with my GPX :laugh:

He'll have sore legs from doing too much dancing from today
FeistyForcefulIzuthrush-max-1mb.gif.2e8336d4f49d6823874ff58ca5712b87.gif

I absolutely can't wait for my GPX version of the X-coil to arrive.

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"I absolutely can't wait for my GPX version of the X-coil to arrive."

 

Let me get this straight.... production X-Coils available in New Zealand... but not in the U.S. How can I get my New Zealand passport??????

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On 5/4/2019 at 9:48 AM, jasong said:

I've also stopped using the ferrite too from laziness, though I haven't noticed a change, I'm probably in ground as mild as JW's, and I stay in Auto too.

I'm curious though since it seems JW is using a prototype coil - JP seems to indicate there were some early problems with the prototypes regarding saturable soils and heavy X components in general. So since we are at a production model now, have the coils been dialed back some to account for this and aren't as sensitive as the prototypes? Or perhaps the opposite, as Simon has ventured to guess in a previous comment, maybe the production units are more polished and even better than the prototypes?

Ok....there may have been an issue with GB over the ferrite. At the time I was not 100% sure. It doesn't seem to me to have any adverse effects on what I am experiencing with these X coils. I just stopped using the ferrite as my Zed just purred along very nicely without it. Our insanely mild ground I am guessing. I just need to get things straight in my own head before I spill the beans, so to speak, to you guys. I will be back. Cheers

JW ?  

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Kiwijw,

Well, a very interesting thread to say the least. Appreciate all the work being done on the Aftermarket coils to fill the huge gap in coil options for those of us looking for more than 2 choices. I'm very interested in an option in the 10" - 12" coil category, so we can really work tight areas like JasonG and others have mentioned mentioned! Keep us in the US market updated and include source, pricing,  patch cable options, etc. Wish Coiltek could also make something for us GPZ users...really like their products!:coiltek:

Bill

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