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

[AU_Solitude]

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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[AU_Solitude]

Bump anyone?

 

[roadrunner]

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

 

[AU_Solitude]

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

 

[Rob in KS]

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.

 

[roadrunner]

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

 

[OZDigger]

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.

 

[roadrunner]

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

 

[AU_Solitude]

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.

 

[roadrunner]

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

 

[roadrunner]

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.

 

[Lanny in AB]

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.

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

All the best,

Lanny

 

[AU_Solitude]

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

All the best,

Lanny

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.

 

[roadrunner]

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.

 

[Rob in KS]

Here is a post from the beach section

http://www.treasurenet.com/forums/beach-shallow-water/408665-built-surf-pi-kit-took.html

 

[harrypotter71]

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.

 

[harrypotter71]

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

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.

 

[roadrunner]

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.