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Metal Detectors
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Aftermarket Coils for the GPX 6000 - Nugget Finder
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<blockquote data-quote="XLOOX" data-source="post: 677722" data-attributes="member: 16174"><p>Dunno Chets coin but most 1 oz gold coins are ~33mm dia ( ZA Krugerrand, AU Roo, US Eagle).</p><p></p><p>AUD 50C is 32mm AF & 75% Cu so reasonably comparable target. </p><p></p><p>Chet got 17in (425mm) for 11"ML coil & 14in (350mm) for 14"DD ML coil in air for 1oz coin</p><p></p><p>I got +550mm ( 11" ML coil) & ~450mm for 14" DD ML coil under slate for 50c so substantially better distance but directionally same ie 11" coil is substantially better than 14".</p><p></p><p>I was running max sensitivity settings ( Normal ground, Auto+ & Threshold on) on speaker.</p><p></p><p><a href="https://www.prospectingaustralia.com/threads/algoforce-e1500-new-pi-detector-from-ex-minelab-engineer.42049/page-2#post-676747" target="_blank">https://www.prospectingaustralia.com/threads/algoforce-e1500-new-pi-detector-from-ex-minelab-engineer.42049/page-2#post-676747</a></p><p></p><p>I would be very interested to see what a tuned 18" mono coil could do on the 6000, even if it drops some tiddlers.</p></blockquote><p></p>
[QUOTE="XLOOX, post: 677722, member: 16174"] Dunno Chets coin but most 1 oz gold coins are ~33mm dia ( ZA Krugerrand, AU Roo, US Eagle). AUD 50C is 32mm AF & 75% Cu so reasonably comparable target. Chet got 17in (425mm) for 11"ML coil & 14in (350mm) for 14"DD ML coil in air for 1oz coin I got +550mm ( 11" ML coil) & ~450mm for 14" DD ML coil under slate for 50c so substantially better distance but directionally same ie 11" coil is substantially better than 14". I was running max sensitivity settings ( Normal ground, Auto+ & Threshold on) on speaker. [URL]https://www.prospectingaustralia.com/threads/algoforce-e1500-new-pi-detector-from-ex-minelab-engineer.42049/page-2#post-676747[/URL] I would be very interested to see what a tuned 18" mono coil could do on the 6000, even if it drops some tiddlers. [/QUOTE]
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Metal Detectors
Detector Accessories
Aftermarket Coils for the GPX 6000 - Nugget Finder
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