Is 45 detection depth possible with this unit? - Page 3
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Thread: Is 45 detection depth possible with this unit?

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  1. #31

    Nov 2017
    14
    5 times
    All Types Of Treasure Hunting
    Quote Originally Posted by TheGreenBoy View Post
    I built several but this is the one i am using at regurar basis.
    Please recommend which pi detector is best
    msolomon likes this.

  2. #32

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    13,667
    10063 times
    Banner Finds (4)
    Quote Originally Posted by amar View Post
    Please recommend which pi detector is best
    What type & size objects are you looking for, and how deep do you expect them to be ?

  3. #33

    Nov 2017
    14
    5 times
    All Types Of Treasure Hunting
    Quote Originally Posted by Tom_in_CA View Post
    What type & size objects are you looking for, and how deep do you expect them to be ?
    Pi with magnetometer 10 feet deep 1.51.5 meter square coil..

  4. #34

    Nov 2017
    14
    5 times
    All Types Of Treasure Hunting
    Quote Originally Posted by amar View Post
    Pi with magnetometer 10 feet deep 1.51.5 meter square coil..
    22 feet target at 8 to 10 feet deep

  5. #35

    Apr 2017
    Fisher F75, Minelab Soveriegn XS 2 Nokta pinpointer
    1,015
    1434 times
    All Types Of Treasure Hunting
    Quote Originally Posted by TheGreenBoy View Post
    10+ yares of troublefree service...

    Attachment 1697465
    Attachment 1697464
    Did you buy this as a kit? It looks similar to the type used on meteormen. A while ago I was looking for a kit or schematic for one of these ( I live close to a strew field) Any more info?

    Thanks
    Chub

  6. #36
    si
    Nov 2017
    Countryside
    2x DBP2010, eeTH, M4, GCM
    122
    126 times
    All Types Of Treasure Hunting
    I have built this from the scratch - schematics only.
    Reporting 2x2' target at 10' is no problem with this detector - practicaly under any conditions.

    Click image for larger version. 

Name:	DSC_0091.JPG 
Views:	22 
Size:	4.47 MB 
ID:	1697520
    Last edited by TheGreenBoy; Mar 31, 2019 at 12:24 PM.

  7. #37

    Nov 2017
    14
    5 times
    All Types Of Treasure Hunting
    Quote Originally Posted by TheGreenBoy View Post
    I have built this from the scratch - schematics only.
    Reporting 2x2' target at 10' is no problem with this detector - practicaly under any conditions.

    Click image for larger version. 

Name:	DSC_0091.JPG 
Views:	22 
Size:	4.47 MB 
ID:	1697520
    Where to purchase this type of kit and what is cost

  8. #38
    si
    Nov 2017
    Countryside
    2x DBP2010, eeTH, M4, GCM
    122
    126 times
    All Types Of Treasure Hunting
    No kit, schematics only.
    XLV likes this.

  9. #39

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    13,667
    10063 times
    Banner Finds (4)
    Quote Originally Posted by amar View Post
    22 feet target at 8 to 10 feet deep
    Ok. And curious what information gives you such accurate size and depth. Like... as opposed to only a foot or two deep ? Some in particular reason why you suspect 8 to 10 ft ?

  10. #40
    XLV
    XLV is offline
    Need MAX discrimination

    Jul 2016
    South East Asia
    818
    397 times
    Inspector
    Some people aren't lazy like americans they dig 50 feet for nothing whats 10 feet to a army of church goers
    msolomon likes this.

  11. #41
    XLV
    XLV is offline
    Need MAX discrimination

    Jul 2016
    South East Asia
    818
    397 times
    Inspector
    I guess these companies sell devices to look down 20' just to fools in the USA ...how many WW2 SITES people have found countless bombs dropped by planes at 10 feet down , bunkers , ....oh don't forget the clay pots in greece , rome , egypt ,china , iraq and turkey and a few others 2000 years old or older ...lets see a 500 lb bomb well its 2x2 what u know ...a big pot with gold what u know ....In the philippines there once was 172 sites 2x2 or bigger a few people searched and probably wasted there money looking for 2x2 targets 10 feet or deeper ...i guess it funny these devices sell the most in the above countries that have long histories many wars ...unlike that fake news country with its hobby detectors
    Last edited by XLV; Apr 01, 2019 at 01:44 AM.

  12. #42

    Nov 2017
    14
    5 times
    All Types Of Treasure Hunting
    Quote Originally Posted by Tom_in_CA View Post
    Ok. And curious what information gives you such accurate size and depth. Like... as opposed to only a foot or two deep ? Some in particular reason why you suspect 8 to 10 ft ?
    Once a time ago my friend search metal in underground with Gemini 3 metal detector. Some indicate signal but my friend is not trained in treasure hunting so they dug 8 feet deep in night but not found any metal when they check side by side because they dig 2 feet far from target the large amount of soil drop in the earthen utensil about 22 feet wide and 3 feet long was seen when they try to pull pot but utensil was broken and about 200 kg silver coins drop in 8 feet and one of them right hand was fractured after they afraid and fill with soil and went their home. So I want to search again. So please give me right suggestions what's type of detector perfect for this purpose.
    Sorry for my language english is not perfect.
    XLV likes this.

  13. #43

    Nov 2017
    14
    5 times
    All Types Of Treasure Hunting
    Quote Originally Posted by amar View Post
    Once a time ago my friend search metal in underground with Gemini 3 metal detector. Some indicate signal but my friend is not trained in treasure hunting so they dug 8 feet deep in night but not found any metal when they check side by side because they dig 2 feet far from target the large amount of soil drop in the earthen utensil about 22 feet wide and 3 feet long was seen when they try to pull pot but utensil was broken and about 200 kg silver coins drop in 8 feet and one of them right hand was fractured after they afraid and fill with soil and went their home. So I want to search again. So please give me right suggestions what's type of detector perfect for this purpose.
    Sorry for my language english is not perfect.
    The target was found 3.5 feet deep but they dig 2 feet far from target.

  14. #44

    Feb 2019
    41
    26 times
    Cache Hunting
    Quote Originally Posted by amar View Post
    The target was found 3.5 feet deep but they dig 2 feet far from target.
    A common mistake with the Gemini 3 and also the White's TM 808 is thinking the detected object is being detected from the center of the machine between the two coils. But actually it is being received from directly below the front coil and for deeper targets slightly to the back of the front coil. Maybe that's why they missed it by 2 ft?

    Another possibility is how the field lines of these two-box detectors are transmitted and received. The back coil is acting as the transmitter while the front coil is receiving. The position of the object in the ground can theoretically throw the detection off when trying to pinpoint the exact target location. That's why its good to scan over the object from all different directions to triangulate its exact position in the ground.
    Last edited by msolomon; Apr 01, 2019 at 04:00 AM.
    XLV likes this.

  15. #45
    XLV
    XLV is offline
    Need MAX discrimination

    Jul 2016
    South East Asia
    818
    397 times
    Inspector
    If you use those relic devices you must also have a coin machine to keep checking the hole and the sides of the hole as a pin pointer .....those 2 boxes are not accurate

 

 
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