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aluminium

jack_aust

New member
Aluminium . I hate aluminium , melted aluminium cans in all shapes and sizes . i mainly hunt old and not so old camps sites and dealing with them by digging them is just too time consuming. Any advise would be appreciated .
 
if what you are looking for has the same conductivity as the alum trash. If you are mainly looking for coins then you can ignore trash items that have a diff. reading than coins you expect to find. If you think a particular site has the possibility of yielding valuables then the common practice is to dig as many signals as possible. One thing for sure, the more you dig, the more you will find, both good stuff and trash. You will have to determine how much time you are willing to invest at a particular site. If the site has only the promise on modern coinage and other modern items, you could use more disc. By careful listening to signals, you may be able to ignore some alum. Alum. generally has to be larger than good targets of the same conductivity so by listening to length of the signal can give you a good idea of the size of the target but it's not an exact science. Also larger alum targets can be detected at higher distances so if you lift the coil up off the ground at a distance greater than what a good target could be detected then you know that the target is large and by watching the depth meter while scanning say if you lift the coil 8" off the ground and the depth meter is close to the top of the scale then you know also the target is large. Of course, most of this doesn't apply to pulltabs. Hope this helps and others here may be able to give you some good ideas. HH
Steve(MS)
 
Personally am a silver coin hunter and get quite selective..what works for me larger objects just cover much more area when pinpointing...Some especially relic hunters dig every repeatable signal especially if in an older area and dig lots of goodies in various sizes so would not work for them..Unfortunately even in my case some aluminum just fools the heck out of me as its perhaps the top or a piece of a can and being too selective may miss a nice find. Gosh a lot of junk in ground even in old isolated areas.....
 
I have always considered target identification to be in two parts. The first is electronic identification based on the induction of eddy current. The ID is based on a predetermined time constant for specific targets. The size and shape of the target is an important factor so the ID is for coin sized targets. You will notice Conductivity and SIZE is measured if using Conductive sounds. I find it fairly easy to go to pinpoint and measure the size of a target such as aluminum cans and know that the 0/30 or 00/31 reading is a can or other large piece of aluminum. The smaller coin sized pieces are another story. Anyway it is size and digital reading in conjunction with target size and sound that can really cut down on digging all that aluminum. To cut out the iron, nails, nuts, bolts, screws, we can use Ferrous sounds.

You might give this a try at it is nice to not have to dig all that aluminum and iron. However, have a great hunt.
 
well heres a pic of last weeks hunt , you can see what i have to deal with . turns out i cant pass a good signal anyway . dig em all i say . about 15 hours = the pic . fishin was good
 
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