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Metal Detectors
General Metal Detector Discussion
Metal detector testing
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<blockquote data-quote="davent" data-source="post: 288523" data-attributes="member: 6002"><p>I reckon it matters in a lot of different ways. Sometimes an air test might give you LESS depth than you would get in undisturbed ground, depends on shape of the nugget, the way its sitting,I.e. flat, on its edge etc, wether the soil is dry or damp, if the nug is in damp clay under dry top soil....lots of variables. </p><p></p><p>I tend to think air tests rip you off a little. Recently did an air test on a .2 gram nug with my 4500 and 14x9 evo v a z7000, and there wasn't much difference, yet in the field the z gets a lot more than me in the same ground. And occasionally, I pull a small nug at a stupid depth, dug one a few days ago, .8 of a gram that screamed like a shopping trolley and was 1/2 a pick handle deep. I had been over that spot at least 4 times and I know a z and an SDC had missed it too.</p><p></p><p>Why? Different conditions? Just missed it?</p></blockquote><p></p>
[QUOTE="davent, post: 288523, member: 6002"] I reckon it matters in a lot of different ways. Sometimes an air test might give you LESS depth than you would get in undisturbed ground, depends on shape of the nugget, the way its sitting,I.e. flat, on its edge etc, wether the soil is dry or damp, if the nug is in damp clay under dry top soil....lots of variables. I tend to think air tests rip you off a little. Recently did an air test on a .2 gram nug with my 4500 and 14x9 evo v a z7000, and there wasn't much difference, yet in the field the z gets a lot more than me in the same ground. And occasionally, I pull a small nug at a stupid depth, dug one a few days ago, .8 of a gram that screamed like a shopping trolley and was 1/2 a pick handle deep. I had been over that spot at least 4 times and I know a z and an SDC had missed it too. Why? Different conditions? Just missed it? [/QUOTE]
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Metal Detectors
General Metal Detector Discussion
Metal detector testing
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