Ivconic Tries to Be a Smart A.rse

[gurdal]

Hello, master ivconic.
If I had even 20% of your experience in developing detectors, I might have been able to help you.
I must admit that I learned a lot from you.
The circuit I want most is a deep-seeking, motion-free IB metal detector circuit.
Thank you very much for considering such a project. I wish you success in your work.
Gürdal

[ivconic]

My "... experience in developing detectors..." is no better than yours.
What I have too much is experience with various models, technologies and years on the real sites.
However, in the last couple of years, developing my magnetometers, I collaterally learned a lot about DSP and today I may (emphasis on "may") be able to finally design a good VLF-I/B.
But before we jump into something so uncertain; let's first analyze well how much smarter people worked, long before us.
Why did I find that the GTI2500 is actually so good and didn't realize it before?
I forgot to mention that I have an "imaging" coil with my GTI2500.
The word "imaging" itself doesn't mean much, if anything; it's pretty pointless.
But what is hidden behind that data?
Morphology of that "imaging" coil! Bingo! It is a concentric-coplanar coil that has 1 TX coil and 2 RX coils! Bingo!
The VDI cursor at the top of the screen is truly unmistakable... JUST FOR THAT REASON!
A quick parallel/analogy with one of the most advanced models today; Manticore!
What distinguishes this model and its top performance?
Special coil that also has 2x RX coils too!
Of course, according to the explanations from the ML kitchen, it is for completely different reasons.
Are these enough clues?
The reason why I, as a hobbyist, will never succeed in making a good enough non motion VLF-I/B detector lies precisely in that "detail"!
Without sounding pretentious, I think today I am finally able to design a very advanced VLF-I/B detector.
But I am totally unable to make such a coil! Let's face the truth, let's not lie to ourselves, it's the harsh truth.
Only the "big" ones can do such an undertaking. And we "small" can only hope that the "big" will hear us and finally satisfy our wishes.

[Skippy]

Your unfired round has fallen from an aeroplane, probably WWII vintage, the casing may have a manufacture date-code, in addition to place of manufacture.
I have similarly found one, in woodland, pointy-end down ( and hence firing pin area on the top, waiting for my digger ... ). Luckily, I pinpointed it well, and dug around it cleanly, the only surprise being the size of it when I pulled it out the soil.
It's worth checking the painted colour on the bullet tip. They are frequently black = armour-piercing; or silver = armour-piercing incendiary. The first has a hard steel core [check with a magnet], inside a brass outer, the second is the same, but with a gram or so of high-explosives added.
AP's are safe, but probably illegal to own; API's are dangerous, and definitely illegal to own. I suggest disposing of it in a responsible way.

[Olly]

Looks like a round from a Browning 0.50 heavy machine gun to me.

[Qiaozhi]

Hindsight is a wonderful thing. But most importantly you learned a valuable lesson.
Time to rest and let the wounds heal.
I'll eventually get to the missing smileys.

[ivconic]

Your unfired round has fallen from an aeroplane, probably WWII vintage, the casing may have a manufacture date-code, in addition to place of manufacture.
I have similarly found one, in woodland, pointy-end down ( and hence firing pin area on the top, waiting for my digger ... ). Luckily, I pinpointed it well, and dug around it cleanly, the only surprise being the size of it when I pulled it out the soil.
It's worth checking the painted colour on the bullet tip. They are frequently black = armour-piercing; or silver = armour-piercing incendiary. The first has a hard steel core [check with a magnet], inside a brass outer, the second is the same, but with a gram or so of high-explosives added.
AP's are safe, but probably illegal to own; API's are dangerous, and definitely illegal to own. I suggest disposing of it in a responsible way.

That is very good information, I have to admit I had no idea about it.
It is very likely that the bullet fell from an aircraft and very likely dates from II World War.
The first cursory wipe of the top of the grain showed a "silver" color! Ouch!
I will check the details, it is certain that it will end up somewhere hidden in nature under a pile of rocks, I have no better idea.
This time I won't make hasty decisions and now it's too late to report to the authorities...
Enough problems since yesterday!
Yesterday was a "crazy" day.
While I was in my torment; my wife's cousin died, suddenly, a young woman, today I spent the whole day on the road, we went to another place for the funeral, stood all day in the sun, now we came back, all broken and tired.
What to say?
There are days like that... there are periods like that.
George is right; it's time for peace and rest. Time for a handbrake!
...
Update: I didn't want to wait for tomorrow, the bullet was put away forever in a very safe place where it would never be a problem again.

[ivconic]

Looks like a round from a Browning 0.50 heavy machine gun to me.

That drew me to look online at the entire history of that weapon.
I have just become very well informed and from now on such nonsense will not happen again.
But as I watched the materials on Youtube; it's fascinating to what degree of evil human inventiveness can go!
What would happen if all that intelligence and knowledge were used for positive, good and humane goals?!
That evil is already about 100 years old! And it's still in use! (they did not find a more effective means!)
We're getting a little off topic.. but yes, it's that machine gun that mighty Rambo takes down from the helicopter and carries in his hands and kills 49876 enemies with one burst in one scene!
Coincidentally, the other day I saw a short clip, Sylvester Stallone, now a very old man, gives a short statement that in the meantime he realized how great evil war was, he experienced enlightenment and now he thinks differently!
Yes, ok, that's right, in the meantime he earned hundreds of millions of dollars on those stupid things, thereby unknowingly popularizing those situations.
Who knows how many generations grew up on that madness.
Maybe that's why we live in this world today?
I was in the war, but I was a paramedic. Not to kill but to save.
It is enough to scratch a finger on your hand and realize the reality.
What can be said about the people who suffer today en masse much more intense suffering?
I didn't want to touch on other topics.
But it is obvious that this kind of "finding" is an unavoidable part of our hobby.
It is good to exchange knowledge and experiences first hand.
Today we know much more than yesterday.
If this topic will help any newbie and spare him the trauma; then this topic has fulfilled its function.
Good people, colleagues, thanks for the information!
Although I am 60 years old, I have learned a lot from yesterday to today.
I think that a forum like this should have a section that deals with these topics.
Because we hobbyists are on the "front line" and at high risk of accidents.
That is why people should be informed as much as possible.

[surf-tech]

Well said, Mr. ivconic!
Times change, but one thing that hasn’t lost its value is everything you’ve contributed over the past 20 years. Your legacy on this forum is truly unmatched, and you have helped and taught so many people along the way.
Thank you for all these years of sharing your knowledge, experience, and passion with us, both within the hobby and beyond it. Your efforts have made a real difference, and that’s something no bad day in the field can ever take away

[EL NINO]

...Ivconik...take it this way, that on that day you had a Luck from Hell../or we say /..that you were only injured by a match from a cartridge...it could have turned out much worse... I am a believer - Catholic.. and I believe that you definitely have some protection up there and someone from "The HEAVEN" is holding a protective hand over you, and that you still have a few more aces for such and similar adventures...
At least you have a lesson now...how not to do it again....I certainly wish you a speedy recovery from this injury.. .friend,..

I typed the ammunition for 12.7mm American or Russian cartridge, or even 13mm German anti-tank cartridge..