How to build Silverdogs Surf Pi 1.2 detector

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Louis Kriedemann

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  • the greatest fun under the earth
  • Detector: surf pi, Fisher CZ20, fisher f75 and Barracuda pi
  • Location: Vredenburg
I waited 3 weeks for mine
send Andy a mail and ask him what is happening

Paul van Heerden

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  • Posts: 3104
  • Detector: Garrett ATPro, Cscope CS4PI
  • Location: Pietermaritzburg
Yup. I also had to wait about 3 weeks. After about two weeks I mailed Andy, and he said that it is on its way. If you need some help when you get it, that are several guys here, especially luuk that can help you out
Paul

Tony Curnick

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  • Detector: Garrett AT Pro ,Minelab305,CTX 3030,Sea hunter MK 2
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Mine arrived in 5 days, It took an hour to put together and 3 seconds to blow it up!!!
Where is that five Shilling???

Paul van Heerden

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  • Detecting Noob
  • Posts: 3104
  • Detector: Garrett ATPro, Cscope CS4PI
  • Location: Pietermaritzburg
Mine arrived in 5 days, It took an hour to put together and 3 seconds to blow it up!!!
And how did you do that?
Paul

jasoncpt

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  • Posts: 73
  • Detector: Garrett AT Pro, Silverdog Surf PI, Minelab Excalibur ii
  • Location: Western Cape
Cool thanks , I'll mail him again.... Can't wait to get started , might need your help luuk when it's time for testing and tuning.

Tony Curnick

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  • Posts: 2058
  • Detector: Garrett AT Pro ,Minelab305,CTX 3030,Sea hunter MK 2
  • Location: Benoni
Howdy Landuse....Ok it actually took about two hours to solder the board.And in two hours you can drink a lot of beer!!!.And after a lot of beer the positive an negative terminals look the same!!!!
Where is that five Shilling???

Paul van Heerden

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  • Detecting Noob
  • Posts: 3104
  • Detector: Garrett ATPro, Cscope CS4PI
  • Location: Pietermaritzburg
Howdy Landuse....Ok it actually took about two hours to solder the board.And in two hours you can drink a lot of beer!!!.And after a lot of beer the positive an negative terminals look the same!!!!

I also had mine swapped around, but I think I got lucky and didn't fry mine
Paul

jasoncpt

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  • Posts: 73
  • Detector: Garrett AT Pro, Silverdog Surf PI, Minelab Excalibur ii
  • Location: Western Cape
My kits have been sent over a week ago so they are on their way, I was able to get 0.3 copper wire .... Would that do ? Not too sure what is the best way to go about building a coil and what type of coil ?

Paul van Heerden

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  • Detecting Noob
  • Posts: 3104
  • Detector: Garrett ATPro, Cscope CS4PI
  • Location: Pietermaritzburg
My kits have been sent over a week ago so they are on their way, I was able to get 0.3 copper wire .... Would that do ? Not too sure what is the best way to go about building a coil and what type of coil ?

A plain mono coil is all that is needed for your pi detector. There are coil calculators out there to determine the number of windings for different thicknesses of wire to get the required inductance. Message me your email address and I will send one to you that luuk gave me
Paul

Louis Kriedemann

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  • Posts: 583
  • the greatest fun under the earth
  • Detector: surf pi, Fisher CZ20, fisher f75 and Barracuda pi
  • Location: Vredenburg
Jason, the .3 wire is too thin for a mono coil. the resistance on the wire will be far too high
you need to get some .45 or .50
get in touch with Chrichri....he will be coming up to my place one of these days to build coils for his pi's
maybe you can come with him

jasoncpt

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  • Posts: 73
  • Detector: Garrett AT Pro, Silverdog Surf PI, Minelab Excalibur ii
  • Location: Western Cape
That's luuk ....

Well guys I got my kit it the mail , I'm stuck on the last few caps .... Not too sure on how to read the numbers and match to parts list .... I have also added pictures of the whole board if you spot anything that looks wrong please give me a heads up .

Thanks in advance 😊

http://treasurehunters.co.za/forums/index.php?pretty;action=gallery&su=user;cat=6;u=399

jasoncpt

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  • Posts: 73
  • Detector: Garrett AT Pro, Silverdog Surf PI, Minelab Excalibur ii
  • Location: Western Cape
Meant to say thanks luuk

Louis Kriedemann

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  • Posts: 583
  • the greatest fun under the earth
  • Detector: surf pi, Fisher CZ20, fisher f75 and Barracuda pi
  • Location: Vredenburg
the caps marked 0.1 are 100nF caps and go in C3 C4 C8 C16 C18
the caps marked 100- are 1nF caps and go in C9 C10 C11 and C12

jasoncpt

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  • Posts: 73
  • Detector: Garrett AT Pro, Silverdog Surf PI, Minelab Excalibur ii
  • Location: Western Cape
Thank you luuk , iv put everything together , will try get .4 wire this weekend for the coil and will be doing tests as adviced here

Louis Kriedemann

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  • Posts: 583
  • the greatest fun under the earth
  • Detector: surf pi, Fisher CZ20, fisher f75 and Barracuda pi
  • Location: Vredenburg
Jason, see if you can get .45 or .5 wire.  It will have a lower resistance.

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Re: How to build Silverdogs Surf Pi 1.2 detector
« Reply #119 on: July 09, 2014, 07:40 AM »