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is a pi machine worth the trouble....

S

seeker41

Active member
ive been considering a pi machine to deal with sanded in conditions and wonder if its worth the trouble? a few specific questions......
1. will i be digging so many junk targets that it will slow me down and allow all my excal and cz20 competitors to beat me to all the good finds?
2. are pi machines really that much deeper than an excal or cz20 with a large coil?
3. are pi machines in general slow or fast sweep machines?
4. pi machines claim to have some form of disc, do they really have a form of disc and how does it work?
5. are pi machines more or less capable of finding gold micro jewelry and fine chains?
6. what are the strengths and weaknesses of each of the following machines....
garrett infinium, whites tdi, whites tdi sl, detectorpro headhunter, tessoro sandshark.
 
Answers:

Q 1.........Maybe, but on the other hand you may find the good small targets that the others read as iron.

Q 2........In salty beach sand and black sand most PIs will out perform the Excal and other vlf machines although the Excal is very close second.

Q 3........Slow sweep.

Q 4........Yes......... Different metals and minerals have differing eddy current sustaining ability and this characteristic is used by the detector electronics to enable a limited degree of discrimination.

Q 5........Not realy. Most detectors have trouble detecting fine gold chains. Very high frequency VLFs are much more sensitive to these items than the 2 khz to 15 khz machines.

Q 6.........Garrett Infinium Strengths:.......1 Waterproof. 2 Ground Balances, 3. will operate very well in all types of ground mineral conditions and especially high iron mineralisation. 4. Excellent on salt beaches but requires a bit of adjustment to get it right and once set gets exceptional depth on all types of targets where other detectors may fail.

Whites TDI series.....Ditto as for infinium but not waterproof and looses depth as discrimination is increaced. This machine is slightly more sensitive to small gold than the Infinium.

Detectorpro Headhunter........Donot know about this detector but have heard heard negative reports re the waterproofness of the headphones .

Tesoro Sand Shark......... Nice general purpose PI, Waterproof, Set up for salt beach hunting, Will operate in goldfields where the iron minerals and hot rocks are not too thick on the ground. This is an excellent standard PI.

PS:
The Chinese version of the Sand Shark is a 2.4khz VLF (not a PI) and it is a piece of junk. Do not confuse it with the USA Tesoro Sand Shark which is centuries ahead of the Chinese machines.


Just my opinion, Not Gospel.
 
I have a Detector Pro Headhunter PI with the 11 inch coil (white model).
On Central Florida beaches I have found small targets like aluminum tabs at 19 inches in wet sand.
I have had it for a little over 2 months and I use it every day and I found I can sweep it pretty fast now and recognize tones.
All the electronics and batteries (2 -9 volts in series, 18 volt operating power) are in the headphones so the shaft and swingweight is LIGHT.
The headphones are very comfortable.
I just detect in wet and dry sand. I don't wade or dive.
Even if I did wade the machine goes so deep I don't think I could successfully scoop or dig the target.

I haven't tried the other detectors but deep and most important LIGHT is what I want.
I also use Lithium-Ion rechargeable batteries and you can't take the chance getting these wet. They can explode.
 
thanks for your replies!!!!
 
I have 2 more questions:
Which would be better for highly mineralized/iron rich beaches like we have in New Jersey? Garretts Infinium or Tesoro's Sand Shark?
 
ROBOCOP: Aluminum tabs at 19" is impossible with any machine anywhere.....please post realistic depths responsibly so that newcomers aren't disappointed by false expectations.

Tony.

PS....Posted in good faith.
 
mortarman said:
I have 2 more questions:
Which would be better for highly mineralized/iron rich beaches like we have in New Jersey? Garretts Infinium or Tesoro's Sand Shark?
Click to expand...

In high iron mineralisation I would go with the Infinium because it was designed to run well in iron mineralised gold fields and salt conditions..
 
Tony said:
ROBOCOP: Aluminum tabs at 19" is impossible with any machine anywhere.....please post realistic depths responsibly so that newcomers aren't disappointed by false expectations.

Tony.

PS....Posted in good faith.
Click to expand...

I am not so sure about that. I know my Infinium will find them at 16 inches in dry sand so it is likely possible at 19 inches. Also the Whites Dual Field is capable of exceptional depth in wet beach sand as are the Minelab GPX series detectors in dry salt sand
 
I am very sure about it.....please post a video at 16".
I am happy to be wrong. Have tried GPX and impossible.
 
My Finny will even air test a beaver tail pull tab at 16 inches.(Just) as a quiet waver in the threshold.
The problem with video's demoing depth capability is that if the results are testing the beliefs of some viewers then they tend to think the vid was fake, myself included.
I have seen video's showing detectors finding targets at depths that even I Ithink is impossible.
 
I've dug an aluminum tab in wet sand at a depth of my fingertip to my elbow with my Detector Pro HHPI.
That's 19 inches. I don't care if you don't believe me.
 
ROBOCOP said:
I've dug an aluminum tab in wet sand at a depth of my fingertip to my elbow with my Detector Pro HHPI.
That's 19 inches. I don't care if you don't believe me.
Click to expand...

That's excellent depth on a pull tab with a Detector Pro HHPI.
It would be nice to see this at one of the Blisstool demo session, it surely would introduce a bit of competition.

ivanll
 
ROBOCOP said:
I've dug an aluminum tab in wet sand at a depth of my fingertip to my elbow with my Detector Pro HHPI.
That's 19 inches. I don't care if you don't believe me.
Click to expand...

.....Hilarious......from the land of make believe.

It is not about me believing you but newcomers believing you.
Go and bury a pulltab at 19" inches and see if you can hit it.......chances are it was at 9" and kept sinking into the hole or you were chasing a false signal down deep and there just happened to be a pulltab down there as well.

My Goldquest SS (also a 10
 
http://www.treasurelore.com/florida/detector_info.htm

Scroll to PI section.

Eric Foster discusses the Detector Pro Head Hunter PI in relation to the Goldquest SS and the Deepstar.

The HHPI runs on 2- 9 volt batteries hooked up in SERIES, so you're running at about 18 volts not 12 volts like most other detectors.

The HHPI is the latest technology 2010 and newer.

Goldquest and Deepstar are about 2005/2007 tech.

Don't ask who Eric Foster is.

Why would he discuss the HHPI compared to these other machines?

Maybe he likes it.
 
24V, 18V, 12V, 9V has no bearing on the depth that a detector can detect.
Volts is "electrical pressure"......different circuits require different amounts of "pressure" to operate.

Yes, I have known Eric for about 7 years.

Eric discusses all machines....probably every PI that has been designed and developed.

The Goldquest SS is a 10
 
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