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Offline Eugene52Topic starter
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« Reply #20 on: June 04, 2009, 12:07:27 am »
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Hello wyoprospector. It will be a while before I make circuit boards again . Our great economy has me doing other things right now !!! Here is the latest version Delta Pulse P.I. schematic that has been corrected  . This Delta pulse is good for gold rings but not good for small gold nuggets. There is a Gold scan P.I. schematic on this forum which would be better for small nuggets .When you decide which one to build , then use a solderless breadboard , then make or purchase a custom PCB "Circuit Board" .............Regards..........Eugene

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Offline wyoprospector
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« Reply #21 on: June 04, 2009, 05:36:02 pm »
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thanks Eugene52
  I will check it out thanks for the responce and help

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Offline Eugene52Topic starter
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« Reply #22 on: June 04, 2009, 07:59:28 pm »
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Hello again wyoprospector . Here is the gold-scan schematic and pcb layout in the pdf folder. Then the second image is transistor Q1 , Q2 corrections . It is a decent machine that is more sensitive to gold nuggetts . And finally the 3rd schematic I posted here is the one I want to build , when I have time late this summer . The person that e-mailed me the schematic says "it works great" . So you have two choices right here from the great Thunting.com forum !!................Regards.........Eugene

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« Last Edit: July 20, 2009, 06:43:47 pm by Eugene52 »
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Offline wyoprospector
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« Reply #23 on: June 04, 2009, 08:45:20 pm »
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Eugene
 thanks i will check these out i have looked at the goldscan 4. do you have a component list for the other detector?
  Regards
  Matthew

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« Reply #24 on: June 18, 2009, 07:47:08 pm »
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Hey Eugene,
I would be interested in a kit or working xr71 unit also.

VPR

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« Reply #25 on: July 20, 2009, 03:04:14 am »
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Hello , i need pdf and full information  delta puls metal detector.

please help me

Regards.

iman boroumand.

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Offline Eugene52Topic starter
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« Reply #26 on: July 20, 2009, 08:02:50 am »
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Quote:Posted by amir
Hello , i need pdf and full information  delta puls metal detector.

please help me

Regards.

iman boroumand.


Hello Amir . Welcome to Thunting.com . Here is everything you need for the Delta Pulse except for the parts list , which I can add later . The Delta Pulse and XR71 are almost identical except for a few transistors and resistors and the PPM frequency .

Regards..........Eugene

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Offline electrosoft
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« Reply #27 on: July 20, 2009, 05:29:33 pm »
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Quote:Posted by Eugene52
Hello again wyoprospector . Here is the gold-scan schematic and pcb layout in the pdf folder. Then the second image is transistor Q1 , Q2 corrections . It is a decent machine that is more sensitive to gold nuggetts . And finally the 3rd schematic I posted here is the one I want to build , when I have time late this summer . The person that e-mailed me the schematic says "it works great" . So you have two choices right here from the great Thunting.com forum !!................Regards.........Eugene


hi Eugene52
I need complet layout and part list for gold-scan correction
thanks br!

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Offline Eugene52Topic starter
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« Reply #28 on: July 20, 2009, 06:25:24 pm »
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Quote:Posted by electrosoft
hi Eugene52
I need complet layout and part list for gold-scan correction
thanks br!


Hello electrosoft and everyone .  I started a new post for Goldscan Pulse IV . I will look for your lay-out and correction files , when I find them I will post them over on the new topic so it does not interfere with the delta pulse / XR71 topic .......Regards.......Eugene

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« Reply #29 on: July 31, 2009, 11:43:07 pm »
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hello eugene52, (my idol) i need some effective data of delta pulse/xr71 search coil from 20cm to 45cm. and also the data of 1x1meter square coil for my plan to field test the dp in various search coils and to post in this forum the result.

hello to all readers, this is the result of the delta pulse/xr71 schematic and pcb gave to me by eugene52 and yielded more than very good result.  thank you very much eugene52..

search coil data:23 turns #24swg with 40cm dia.
flwng results:
note: steel ammo box 7x8x12 inch full loaded with copper cartridge of cal 5.56mm ammos.
7x8x12 steel ammo box at 5ft covered with soil,rocks=detected
7x8x12 steel ammo box burried at 5ft in L type to simulate undisturbed soil=detected
i also tested the capability of dp in 5ft water and still detected the steel box.

Q, why ammo box?
A, this is my smallest target.


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