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goldquest, goldscan & ground-track circuit

A

Anonymous

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Fascinating stuff this forum, if you piece every bit of info together you come up with possibilities...... Can the goldscan IV be optimised to the same degree of sensitivity as the goldquest SS? Is there a ground tracker circuit schematic available somewhere that can be utilised on the goldscan IV design?? I think judging by the number of interested Aussies on this forum, there are quite a few of us that refuse to pay Minelab's exhorbitant prices.
An obvious suggestion perhaps, but with the connection of the above technologies together and then fitted with a Minelab coil connector, we would have the benefits of using Coilteks range of discs... a lot of us want to build something that will kick Minelabs arse! Any suggestions on amalgamating the above units and the ground track circuit would be illuminating!!
 
Hi Andrew,
The Goldscan IV has a manual ground balance circuit, however it cannot be easily adapted to run at the same sensitivity as the Goldquest SS. There certainly is a lot of interest in improving the GQ SS technology to be less affected by really bad ground. Be assured that myself and others are working to that end.
Eric.
 
Eric,
The minute you build a ground balancing version of the Goldquest I will buy one... and I'm sure many others will also. Personally, a manual ground balance is just fine by me. I always run my GP Extreme and Infinium in "fixed" mode anyway. There seem to be few situations where you really need automatic ground balancing in a PI unit, and it usually sacrifices a tad on sensitivity.
Heck, I'd even help finance the project! Just tell us what kind of preproduction deposit you would need. If we a re willing to make a deposit up front we could get the "Introductory Price" and those that wait pay the "Regular Price".
Steve Herschbach
 
Hi Eric,
I want one to but in a waterproof case. There are areas over here in Hawaii that have a lot of hot rocks. I would ground balance to the hot rocks. Ones with my Minelab SD2100, I was hunting an area with a lot of small hot rocks that sounds like faint deep targets. After digging these up for over an hour. I finally got smart and ground balance over a hot rock. I then started finding gold.
Terry in Hawaii
 
Hi Terry,
Did i read you correctly that you are finding natural gold nuggets in Hawaii ? if so how big are they on average and how deep?, im really intrigued as i have never heard of naturally occuring gold in the Pacific islands.
Regards Tony.
 
Before moving to Hawaii, I hunted for gold nuggets in California and Nevada. Only gold in Hawaii is what people loose. However I did get a gold nugget that was made in to a gold ear ring several years ago.
Terry in Hawaii
 
Thanks for clearing that up for me Terry as i had visions of a real prospecting paradise forming in the greymatter and who would prospect in a desert when when beautiful islands beckon lol.
Cheers Tony
 
Hi Steve from what I've read ground balancing it can also cancel out wanted targets as well as add interferance. I know alot of discussion about ground balancing is not really clear but it seems that some of the older units like the Goldscan did have ground balance. But most of the newer PI's don't. Maybe it is alot harder to build them with ground balance? If you have to have GB try finding a old Goldscan??
 
Hi Beach Bum,
It's automatic ground canceling that you have heard can tune out smaller gold. The auto circuit wants to "tune into" the gold.
That's why my preference is manual ground balance with optional automatic, or manual only.
As far as I know the Minelabs were the first ground balancing PI units available to the general public, but I do not believe they invented it.
Despite what many manufacturers claim PI units ARE affected by ground conditions, and so ground balancing capability if desirable for best perormance in a gold nugget detector. So far the Minelab units are the standard to beat.
Steve Herschbach
 
Hi Steve As far as I know this
http://www.alanhassell.org.uk/gscana.html
is the 1st GB PI detector. It was made between 1983 and 1993 by Eric Foster for the gold feilds in Australia.
<img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol">
 
Hi Beach Bum,
Right you are... I'll stand corrected. Thanks for the info!
Steve Herschbach
 
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