northwest EVO 15x17 review
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australian electronic gold prospecting forum.com  |  Detector Technology and Electronics and new detectors  |  Detector Coils  |  Topic: EVO 15x17 review 0 Members and 1 Guest are viewing this topic. « previous next »
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bugwhiskers
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« Reply #20 on: Wednesday February 10 2016 13:13:20 AEDT PM »

Billy hasn't responded to this....

  

Another cop out.

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« Reply #21 on: Wednesday February 10 2016 13:21:25 AEDT PM »

Billy, there are plenty of video cameras on ebay for around $20.
Would you like us to pass the hat around for you?
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Dave
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« Reply #22 on: Wednesday February 10 2016 21:27:07 AEDT PM »

I can pick up a 5 cent piece at 18" using a 8" minelab coil so it wouldn't be impossible if the 0.8 nugget was hammered flat
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« Reply #23 on: Wednesday February 10 2016 22:11:05 AEDT PM »

  
I can pick up a 5 cent piece at 18" using a 8" minelab coil so it wouldn't be impossible if the 0.8 nugget was hammered flat

 Possibly true! Would be nice to see a picture of the nugget.
doug smile
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« Reply #24 on: Thursday February 11 2016 16:02:35 AEDT PM »

I observed at a test patch about a month ago a solid, smooth, flat 1g nugget being detected best  10 inches by a 4500 in Normal timing using a 12" EVO coil. Having witnessed this I say that an "average" 0.8g at 17" is just ludicrous.
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« Reply #25 on: Thursday February 11 2016 23:40:22 AEDT PM »

  
I can pick up a 5 cent piece at 18" using a 8" minelab coil so it wouldn't be impossible if the 0.8 nugget was hammered flat

Dave your 18" on a 5c coin with an 8" mono is impressive as I need an 18" mono to get the same.


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« Reply #26 on: Friday February 12 2016 00:10:05 AEDT AM »

  

...flat wound coil ? My own flat wound picks up small bits at twice the range of the ML "reference" coil ... does not extend to big targets at more than 1.5 coil diameters away though.


Moodz,

 I am curious at the size of your own flat wound coil and the size of the ML "reference" coil that you speak of.

Gary..
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Alluvium
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« Reply #27 on: Friday February 12 2016 11:15:12 AEDT AM »


Hi Doug.

Here are the results on some real testing. (Below).

Note this is on small gold, and the 17" x 13"Evo Elliptical Coil matches the 12" Evo.Round

It is a different story when the nuggets are bigger and deeper, as most would know.

Billy I have been at this gold finding game for 35 years, and these new flat wound coils are a Quantum leap in detector coil development. But like all things some things are impossible.

Why would you want to defend a Mates obvious mistake?? I give him the benefit of the doubt that it was not blatant BS.

As Doug said, digging past a tiny nugget is easily done, and can fool anyone when it drops down into the bottom of your deeper hole.

Cheers Alluvium.


* New Chart.JPG (44.07 KB, 517x192 - viewed 203 times.)
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« Reply #28 on: Friday February 12 2016 11:29:09 AEDT AM »

While such outrageous claims (0.8g @ 17") may be good for sales, spare a thought for those who own the same model and coil that cannot duplicate the "feat". I hope the ML repair department isn't inundated by the return of detectors deemed by their owners to be "below  par".
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« Reply #29 on: Friday February 12 2016 15:20:57 AEDT PM »

Alluvium, those are some intriguing results you have there.

Therefore I assume the ML "reference" coil that moodz makes mention of would most likely be the 11" mono or maybe the 11"DD although since we are talking flat wound then I would say the ML 11" mono.

Looking at your table of results for both the 12" & 17"x13" flat wound coils compared to the 11" coil then for moodz's flat wound to pick up small bits at twice the range it must be some impressive coil. Saying he would like to pull apart one of these new flat wound coils to see what all the fuss is about makes no sense if he is telling the truth about the results his coil can achieve, especially on the small bits. . Be good to see a table of results with his coil. No wonder I am curious on what size his flat wound coil is?

In regards to digging past a nugget I have done that on several occasions with my 12" Evo.

Gary..
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« Reply #30 on: Friday February 12 2016 15:33:37 AEDT PM »

  
Looking at your table of results for both the 12" & 17"x13" flat wound coils compared to the 11" coil then for moodz's flat wound to pick up small bits at twice the range it must be some impressive coil. Saying he would like to pull apart one of these new flat wound coils to see what all the fuss is about makes no sense if he is telling the truth about the results his coil can achieve, especially on the small bits. . Be good to see a table of results with his coil. No wonder I am curious on what size his flat wound coil is?
Gary..

Maybe with the Moodz its not the coil that is responsible for the  claimed increase in detection range  but the signal acquisition and signal processing method used in his detector?
doug smile
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« Reply #31 on: Saturday February 13 2016 04:01:51 AEDT AM »

  
  
I can pick up a 5 cent piece at 18" using a 8" minelab coil so it wouldn't be impossible if the 0.8 nugget was hammered flat

Dave your 18" on a 5c coin with an 8" mono is impressive as I need an 18" mono to get the same.


Yes, I'm impressed also,but mind you this is air testing. Very pleased with the new modded detector so far. If you need video evidence you'll have to wait till I take it out bush as It does't go that deep around town.
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« Reply #32 on: Saturday February 13 2016 08:48:01 AEDT AM »

  
  

...flat wound coil ? My own flat wound picks up small bits at twice the range of the ML "reference" coil ... does not extend to big targets at more than 1.5 coil diameters away though.


Moodz,

 I am curious at the size of your own flat wound coil and the size of the ML "reference" coil that you speak of.

Gary..

..its an 18 inch mono ... i will post a photo when i get back from the bush ..( somewhere near Gundagai at the moment :-)   )
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« Reply #33 on: Saturday February 13 2016 12:18:52 AEDT PM »

  

Yes, I'm impressed also,but mind you this is air testing. Very pleased with the new modded detector so far. If you need video evidence you'll have to wait till I take it out bush as It does't go that deep around town.


Dave, I did expect your result to be from an air test as many of my tests are also.

You have raised my interest since you mention your detector is newly modified which leads me to ask you, what model detector?

Also was it set to a special timing to achieve your result?

Gary..

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« Reply #34 on: Saturday February 13 2016 12:44:35 AEDT PM »

  

..its an 18 inch mono ... i will post a photo when i get back from the bush ..( somewhere near Gundagai at the moment :-)   )


Okay thanks for your reply.

I take it then that there is a certain size nugget, and from it upwards, that your FW 18" mono can produce twice the range than the std ML11" mono?

I suppose to answer that question you would have to generalize as nuggets can vary going by Alluvium's test table as those results on the 0.7 gram and 1.8 gram with both FW coils were the same at 9 inches.

Gary..
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« Reply #35 on: Saturday February 13 2016 15:01:38 AEDT PM »

  
  

Yes, I'm impressed also,but mind you this is air testing. Very pleased with the new modded detector so far. If you need video evidence you'll have to wait till I take it out bush as It does't go that deep around town.


Dave, I did expect your result to be from an air test as many of my tests are also.

You have raised my interest since you mention your detector is newly modified which leads me to ask you, what model detector?

Also was it set to a special timing to achieve your result?

Gary..

I can say it's a f1a4L3 made by a member who posts on this site on occasion. I don't know if I should mention names as he always complains of being busy so I don't want to burden him with extra work lol. I can't remember the settings I used I just played around with it till it maxed out.
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bugwhiskers
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« Reply #36 on: Saturday February 13 2016 18:56:33 AEDT PM »

Ahhhh a detector from the SD2200 era but one built to MIL specs and actually came with a test target.
The theory must be a soldier can't work with a faulty detector and potentially get a leg blown off...or worse. But it's OK for a prospector paying top dollar to miss out on targets if his detector is below par.

Gary, did you ever test a 5 cent piece with your SD2200?

Maybe it's time you flashed your cumulative test results over the years again.  excited
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« Reply #37 on: Saturday February 13 2016 22:58:21 AEDT PM »

  

I can say it's a f1a4L3 made by a member who posts on this site on occasion. I don't know if I should mention names as he always complains of being busy so I don't want to burden him with extra work lol. I can't remember the settings I used I just played around with it till it maxed out.


Thanks Dave for your reply.

I think I know who you speak of here and he is a wiz on the SD's and by your results also on the FIA4's
 
Actually when I owned an SD2000 I had it highly modified by someone else who was performing modifications for the SD's.
I too played around with many different settings on offer with its modifications, however when the settings were maxed out it was near impossible to detect successfully the more the ground became mineralised even with the DD coils that were the preferred coil back then.

After it I purchased a SD2200 and used it for a short time which I enjoyed being able to operate a mono coil using its auto GB system. Boy some air test results with it were an eye opener especially on larger targets.

Sold it and updated to a GP3000 which I liked also, again able to operate a mono successfully using its Auto GB system. However air testing showed it was no better than the SD2200.

Finally I updated to a GPX5000 and again air tests showed little difference to the 2200 and 3000. Although being able to adjust Gain along with several other settings can add some extra punch if the ground allows. Its Smooth timings, in particular Fine Gold has produce more gold for me then the other three machines, be it small gold the majority.

Gary..

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« Reply #38 on: Sunday February 14 2016 00:46:27 AEDT AM »

  

Gary, did you ever test a 5 cent piece with your SD2200?

Maybe it's time you flashed your cumulative test results over the years again.  excited


Hello bugwhishers,

No I did not do any tests with the 5c coin using the 2200 as the majority of my testing was with Gold nuggets, molded Lead pieces of varying sizes , two large pure Copper pieces and the infamous Aluminum Block.

Actually our 75% Copper 25% Nickel coins can produce impressive air test results.

Now since you ask for some of my cumulative test results from over the years then here are some.

Gary..  



* Garys Air Tests 2000,2200,3000,5000.jpg (219.41 KB, 918x497 - viewed 147 times.)

* Garys Air Test on Coins with 2000.jpg (92.01 KB, 566x363 - viewed 146 times.)

* Garys Air Tests on Coins with 3000.jpg (37.64 KB, 457x158 - viewed 150 times.)
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« Reply #39 on: Sunday February 14 2016 02:29:22 AEDT AM »

Thanks to post this very interesting test results, Garry.
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