DIY Detectors - Crazy-Star I - Anyone build before?

AU_Solitude

AU_Solitude

Sr. Member
Feb 24, 2014
280
380
Vacaville CA
Detector(s) used
SDC2300, GBII, Geo Picks & Hammers
Primary Interest:
Prospecting
Hello,

I have been looking at detectors and am really intrigued with the idea of putting my own together; I don't know if anyone is familiar with these kits from Bulgaria - the crazy star I, II, and Sniffer?

Pricing is cheap and the youtube video's seem impressive for discrimination with a PI detector.

Thoughts? ???
 

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Is it just the guts? What do you do for a coil?

Where is a link or address?
Have you seen this one. I have been looking at the Hammerhead PI.

DIY Metal Detector
 

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they are here; I am hesitant to purchase as I cannot find a single review of any of these on the web. Geo Tech forums has a few guys that talk about purchasing them but they never updated after receiving - so who knows. I was also thinking about the hammerhead.

Website Moved
 

I built a hammerhead about 6 years ago. I bought the bare circuit board. It's not for the faint of heart. I'm an experienced electronic tech. It took me a while to build it and the first one didn't work very well. I bought a couple more boards, I did a better job and they work great. Now it's back in the shop for a tune up. I would HIGHLY recommend that you have a scope.

One has a 10" coil and the other has a 3 foot coil on wheels.
 

I asked the guy in the UK that sells the boards if he would make one up for me but he said to check with geotech.
I have no scope, but can solder.
I was going to ask at geoteck if someone would build me a board.
If I can find someone with a scope here in Phoenix, and a great electronic guy to work with, I would do it.
Here is the guy in the UK.
Maybe Rob or you could take a look and see if anything is worth it.
He has something for a surf pi also.

Home build MD



 

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Sven at PROJECTS PI produces the Mirage PI. This is a modified Hammerhead available from PCB to completed unit. Sven is quite helpfull and worth contacting.
 

Welcome to the Tnet forum Oz and thanks for the link.
 

Alright guys thanks for the input; I think I am going to try the bulgarian kit with worst case scenario I am out $180. Thanks for the link OZ very interesting.
 

@ Woody.
Which one ya going to try?
The Crazy Star 2.
 

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Go over to Ebay and put in Pi metal detector in the search bar and see what you get.
The kits are there for $49 and up.
 

Woody86 said:
Alright guys thanks for the input; I think I am going to try the bulgarian kit with worst case scenario I am out $180. Thanks for the link OZ very interesting.
Click to expand...

Drop back in some time with pics and let us know how it worked out for you.

All the best,

Lanny
 

Lanny in AB said:
Drop back in some time with pics and let us know how it worked out for you.

All the best,

Lanny
Click to expand...

Sure will - the idea is to turn this thing into a nugget finding machine - if the discrimination works as well as I have heard it is possible. Going to couple it with either a Minelab or Garrett pulse induction coil as from what I have found in my research, people who build their own coils tend to have a lot of issues. I'll probably build a 3' coil myself for fun (not nuggets) and then purchase the factory made PI coil at 6 or 7" so I can hit on some lil nugs' (hopefully). Going to sabotage a few other detectors in the process. It will be interesting and I'll take a lot of pics and make a thread for it eventually.

Roadrunner; I am actually going to just buy the Crazy-Star 1 after looking and throw in a potentiometer for sound myself.
 

Cool. The ones at ebay I told you about where for the surfmaster.
I could not get a straight answer from the seller if they would work on the ground.
But with a manual ground balance I would think they would.
I am going to ask a few people on here in a pm though.
I will be watching for updates or get back here when I dop something.
The kit is only $49.
And for $79 you get a coil also.
 

Roadrunner, this is my project at crazy star 2 "hybrid"

Is it a very good machine.
Setting,
Power 1 to 10
Delay 1 to 40 ... 1=high sens thiny for gold nuggets, 40= for depp and big objets.
Ground 1 to 10



Coils 38 cm, 1x1mts.

https://www.dropbox.com/sc/zhs1gk183806yqz/AxeZEVm3EQ

Best Regads.
Harrypotter71

Sorry for my english is to poor.
 

I see a volume knob and threshhold knob.
Do you have a delay knob?
Send me a pm on the cost and what it contains.
Do you have a video of it working and actually finding items at a certain depth.
 

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