northwest F1A4 coil
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Some software and hardware updates now available for the QED.More  QED firmware updates (inc Auto GB  option) just announced here. New  QED hardware updates/options and pictures will be posted  first here  as they become available.

Another satisfied QED user! QED user report for 9 days detecting! User loves it, found it easy to use,found gold with it and he prefers it to his 5000! Also a report on a QED used at the beach for coin shooting.QED users reporting in with their multi ounce gold finds with the QED!
From  another QED user today:"Been out and about today testing and comparing against other machines etc in ground that has been horrible in the past.Bround balancing Ive found very simple and easy.'m using the Nokia booster but need a little more sound/threshold.Otherwise no complaints from me, very impressed."
and :"My QED with the 8” commander on it, out performed my SDC Got bits that don't register on my scales SDC has since been sold"
"My QED is terrific. Lightweight, very sensitive and screams at me when it hits any target. The Detect shaft and the 11" ultra sensing coil is a top quality fitout. I attached an external speaker which added under 200gms of weight in total and still remains very well balanced so i never feel fatigued after many hours of swinging."

Stinky  Pete :http://www.detech-metaldetectorsaustralia.com.au/ is the  Australian distributor for the QED.
This is the only forum where you can talk directly with the designer/ manufacturer of the QED and  also some very experienced QED users.
Jrbeatty and Reg Wilson  and  Yellowfin  (or Doug here for that matter!)have NO vested  or pecuniary interests(or secret deals or cash for comment or any other undisclosed benefits )in the QED other than using it to find gold which it is doing very successfully! The ONLY people deriving  an income from the QED(other than finding good gold) are the approved retailer and Bugwhiskers! The ONLY investor in the QED is Bugwhiskers!
I have never met Jrbeatty or Reg Wilson at Howards house or ANY other location!

australian electronic gold prospecting forum.com  |  Detector Technology and Electronics and new detectors  |  Detector Coils  |  Topic: F1A4 coil 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: F1A4 coil  (Read 1030 times)
Alex
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« on: Wednesday December 23 2015 16:33:13 AEDT PM »

hi guys i'm new to this forum  i recently bought a F1A4 metal detector as a starter, i read on one site that the standard coils search pattern is cylindrical pattern different to other monos, how is this done?
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Doug
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« Reply #1 on: Wednesday December 23 2015 19:27:16 AEDT PM »

  
hi guys i'm new to this forum  i recently bought a F1A4 metal detector as a starter, i read on one site that the standard coils search pattern is cylindrical pattern different to other monos, how is this done?
I have not heard this!What site did you read  it on?
doug smile
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All posts on this forum are the personal views of the author and should  not necessarily be  interpreted as those of Admin The QED contains NO patented or protected IP!!! No fake users on this site! This forum does not depend on  guest posting liars to survive!1/2 wit powerless to login and post! LO
Alex
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« Reply #2 on: Wednesday December 23 2015 19:44:26 AEDT PM »

  
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Doug
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« Reply #3 on: Wednesday December 23 2015 20:53:48 AEDT PM »

  
  

As far is i can see the field pattern from the mono will be the same as any other mono's wound in the same way.
doug smile
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All posts on this forum are the personal views of the author and should  not necessarily be  interpreted as those of Admin The QED contains NO patented or protected IP!!! No fake users on this site! This forum does not depend on  guest posting liars to survive!1/2 wit powerless to login and post! LO
Alex
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« Reply #4 on: Wednesday December 23 2015 21:27:48 AEDT PM »

thanks Doug ill try and more info
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authere
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« Reply #5 on: Thursday December 24 2015 10:49:47 AEDT AM »

Hi Alex,

Turn your machine on and turn it upside down with the bottom of the coil facing upwards, now wave a target over the coil and pass at different heights .

Each pass should give you a different width for a conical detection shape and each pass giving the same width will be a cylindrical detection shape

But if you wave a large object say a coke can over the coil you would get a different detection shape in that it becomes an arc from the centre of the coil

So, the target size required for your experiment would need to be around one gram in size or just use a five cent piece

Cheers, Ron
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Alex
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« Reply #6 on: Friday December 25 2015 18:52:35 AEDT PM »

thanks Ron ;ill give that a go and get back 
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greylourie
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« Reply #7 on: Friday December 25 2015 21:24:09 AEDT PM »

Download the pdf here:   

Page 93 has test results that show clearly a plot for the stock coil, like Doug says, similar in detection footprint to other mono coils. Conical, not cylindrical.
Page 114 has a plot for the UXO version (timing/coil combo), which is also conical. Some might try to parlay that particular image into a cylindrical shape but it clearly is not.
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Alex
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« Reply #8 on: Friday December 25 2015 22:53:23 AEDT PM »

thanks for that Greylourie explains it well regards alex
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australian electronic gold prospecting forum.com  |  Detector Technology and Electronics and new detectors  |  Detector Coils  |  Topic: F1A4 coil « previous next »
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