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Everything posted by Tony
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Does anyone know what the TX pulse width is on the AQ ? I know from previous experience and from some PI machines that I have used (and currently use) that longer TX pulse widths are important to energise the bigger gold rings (which can also be the higher karat ones as well). Typically, greater then 300 uS is needed in order to “light these targets up”. Furthermore, quicker pulse delays are not essential in seeing these bigger targets as the decay drop-off isn’t so pronounced when compared to the smaller profile rings. Tony.
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New Coiltek 22d Goldstalker 22” Round DD Coil
Tony replied to Steve Herschbach's topic in Minelab Metal Detectors
Thought I’d respond to an oldish thread…… The Coiltek Goldstalker 22” DD is bundle wound which helps keep it at a relatively light 1100 grams. Compare this to the smaller but heavier Minelab Commander 18” DD which is around the 1350 grams….ouch. I have recently started some lower beach detecting with my SD2100 and 18” Kevlar Mono coil…..the results have been staggering with some seriously deep old gold rings and “other” stuff. The big monos can suffer from EMI so I am looking at a getting a big DD coil. Anyone care to guess if the big Goldstalker can sniff out the deep stuff and block EMI…….I’m guessing it might be an okay combination. I’d love to get the 18” mono performance without the EMI problems . Thanks Tony PS…Tried the Detech Ultimate DD but being spiral wound made the SD a bit too chatty. -
The orange battery case is a third party 3D printed case that holds 3 x 18650 Lithium cells. No need to spend $$ on AA batteries and the run time on Lithium cells is just massive 👍 I will let you know if ever I decide to sell her…….it would be a sad day for me. I have to thank “Karelian” who kindly sold it to me…..he has one as well in as good a condition. Regards Tony
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Definitely one of White’s finest machines……I got mine from an awesome chap on this forum 👍 It is still in mint condition but because most of my detecting is beach/water and prospecting, the XL Pro doesn’t get used much. She comes with four mint coils as well (managed to buy a second Royal 800 coil locally). Tony
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I’m fairly sure that some 4x6 Shooter coils had a history of overloading across different Whites detectors but don’t really know much else. I think the “V” rated coils didn’t have this problem?
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Hello Dave, Here’s the link for the 3D printed battery pack https://www.ebay.com/sch/sn0wboarder/m.html?item=284510484925&rt=nc&_trksid=p2047675.l2562 Stick with the 11.1v (nominal voltage for 3 x 18650 cells). I don’t recommend the 14.8v setup as the extra heat on parts of the PCB is really high and you are only gaining somewhere between 10% and 15% depth increase. The TDI BeachHunter is an awesome “beach” detector but submerging it will eventually cause a leak as the O-Ring and screws are a bad design. You’ll crack the plastic tabs on the case if the screws are even slightly over tightened. Other than those avoidable problems, she’s a beast of a beach detector.
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The AQ is in the Intensive Care Unit on life support……the kindest thing would be to switch it off.
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44C weather over here in Perth tomorrow…….I don’t care what’s under the tree but what’s in the fridge and freezer 🥵
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Not Champagne but probably Koolaid 😎
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According to his website……..Gary charges……….wait for it…… $900 for a 3 hour lesson 🤩 This equates to $5 per minute, so you owe Gary’s client $25 😀 But Gary provides the “sunscreen and refreshments” I'm hoping that means a $500 bottle of Moët? I wonder if I could undercut Gary 😇
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You’re right Steve…..the word “sad” summarises the situation exactly. But this thread is a good, healthy and robust one……who knows, it may spark Fisher into action. I’m sure there’s some lively discussions within the Fisher board 👍 That old saying “build it and they will come” is only valid if it’s built properly. My positive spin is…….Fisher will revamp this model starting with the mechanicals and then refine the code (this is a digital platform?). Most of the work has already been done……they could still hit a home run. Simplify it, toughen it up……..saltwater is an unforgiving environment and will expose any design flaw or weakness. Put this thing in a clear, thick walled polycarbonate case with proven hardware controls that can be easily maintained………sound familiar ? Fisher……here’s a clue.
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Great post Skully…..and as I have mentioned before, delays of 20uS still see the higher karat gold rings very well (especially the bigger ones). The day I stopped trying to always run low delays in the wrong conditions was a turning point for me…..and I started hearing the deep gold because the smallest of threshold variations were targets and not the salt and black sands.
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Yes, the TDI Beachhunter will leak on you…..consider it for all conditions except submersion. My view on this model is it has a good brain but bad body……bit like my first girlfriend. 😜 I used a rubber discus that I zip tied to the coil…made for a good coil weight. In the end, the coil size in the water and it’s tendency to like to drink (bit like my second girlfriend) was just too much so I moved it on and got more than I paid for it 👍 Running the 14.4v Lithium battery improved overall depth by about 15%…..my records show it as the deepest seeking beach detector that I have used. Extra voltage does generate more heat on the board so bear that in mind. Tony
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I have never owned the Impulse AQ but I’m curious to know if some of these moving salt/mineral issues are solved by running longer pulse delays. Pulse users are not “detuning” their machines by running at 20uS in these sorts of conditions. I have recently acquired a mint (and fully upgraded) Garrett XL500 pulse which has a minimum pulse delay of 20uS. In churning white salt water, I get just a very slight salt signal only but still hear small gold at good depth……this is the perfect balance in my opinion. I’m not a Fisher engineer but I just never could understand how this detector (Impulse AQ) could quietly operate at quick delays in these conditions…….it goes against the very principles of pulse induction. Tony
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With any underwater headset, it’s worth prying off the earcups and checking that the rubber epoxy has fully sealed the wires where they go into the actual piezo speaker otherwise problems are just around the corner. If the phones are too loud then I used to wear one of those sun hats with the side flaps and that would block enough audio to be fairly comfortable. I have had bad luck with two pairs of Amphibians and had to replace the entire curly cord on one new set as water was wicking in from somewhere 😡
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The Garrett blue phones have plenty of volume built in. They are a bit too loud on land but when the earcups fill with water then the audio is suppressed somewhat. Current Amphibian II phones dispensed with the volume control knobs as they were a point of failure. I would pick the Garrett phones over the Amphibians…..they are much cheaper and better constructed (I have opened up both of these phones and the Garrett was better constructed as far as the piezo epoxy and wiring goes). Amphibians are “Made in China”……they hid that label underneath the headband when you slide it out for adjustment. I would guess the Garrett’s might still be made in the USA. Hope this helps, Tony
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Agreed…..I did respond with “gusto”. Gee, we’re a passionate lot when it comes to metal detecting. The nature of forums and posting lends itself to sometimes not showing the whole story and “assumptions” easily creep in. Much easier to discuss around a campfire. Having said that, I accept that my first response may have been slightly off topic so I will keep that in mind for future reference. BUT…..stay tuned for my “new” Garrett XL500 PI project….posting soon (ooops, now I’m really off topic). Love this forum and appreciate the HUGE amount of work needed to run it 👍
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My ship was well out to sea…..😄 441 posts it will be. I’ll stick to reading from now on 👍
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Thanks Aureous……good information and relates nicely to my earlier remarks 😉
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Gee, sorry for posting in good faith…….something I’ve done since I first joined this forum. Hard to post without somehow upsetting someone these days. Steve, you don’t need to go on the offensive so easily and read too much into some replies…….have a re-read of your first two sentences to my reply. I’m not attacking Garrett but somehow you made that assertion. Sorry but I’m scratching my head as to why you responded to me the way you did…….not impressed at all.
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My “problem” is that the gold is deep and “nuggety” and way bigger than 3 to 5 grams……a nice problem to have. The side by side tests were on undug nuggets in a small patch in hot ground. The ATX does have its place…….just no where near where I typically hunt. Using the ATX in really hot ground, I just could not differentiate small gold targets from ground noise….we are talking Western Australian heavy ironstone country. The earlier SD and GP machines excel in this ground.