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  1. "Not so essential" was meant to infer that the majority of potential customers wouldn't be wanting it to operate completely submerged. I am unsure what the 'Terra' is supposed to be, I'm wary of making assumptions as to what niches it's targeting. I would suggest 'bad dirt' would be a PI strong point, so the lucrative nugget-hunting market would be an obvious direction to develop the AQ.
  2. My thoughts: As it's well known that wireless systems work poorly through water, particularly those at 2.4 GHz , the 'water absorption' frequency, it's perhaps no surprise the AQ is corded 'phone only. However it is more viable on a land-based machine, where having a waterproof machine is a good thing, but a submersible one is not so essential.
  3. I guess this machine will be bought by serious hunters, and such folks would want to charge two packs simultaneously, or failing that, be able to do a 2 or 3 hour charge on one, then do the other.
  4. I don't know if FT are getting feedback from this thread, but ... a question was asked on a UK forum about charging both battery packs simultaneously. Based on the above photo, it seems that one at a time is all that's possible , with the charger supplied. Do you, Rick, have any indication of charge time, eg. 5 hours; 16 hours ? The charger's label indicates 400 mA max current output, and it seems likely the pack contains 8 or 10 x AA cells, which would suggest 5 hours is the minimum charge time ( if 2000 mAh capacity cells ).
  5. I guess your illness means you weren't able to make a " Reboxing Video" ??? Hehe. Get well soon, Sir.
  6. The switches are small, cheap, fairly fragile things, it's almost inevitable that they will fail at some point. You can see them on this internal photo: eqx_PCB The sealed case means no access for repair. And removing/inserting the battery isn't exactly simple, so no get-around there. And I very much doubt that it's possible to do any clever software 'work-arounds', either, like swapping the on/off and the backlight button functions.
  7. Ring-shaped objects give a stronger signal than solid discs, and read 'higher up' the discrimination scale that most detectors have. And aluminium is a good electrical conductor. So I think it's worth experimenting with large aluminium washers, example 1" / 26mm size. A UK supplier for illustrative purposes: https://www.gwr-fasteners.co.uk/aluminium-washers-244-c.asp These should be quite distinctive and easily found with a detector, and they're reasonably cheap if you're going to be using lots of them.
  8. A simple thing worth trying is to perform a Factory Reset on the machine, then re-set your discrim etc. You may have some inadvertent notching set up, and it's simplest to reset, rather than figure out how to untangle the notch.
  9. That map of Europe looks a bit 'distorted' to me. I'm sure the UK isn't that big. Not to mention all of Scandinavia and the Baltic States are missing - Norway, Sweden, Finland, Latvia, Lithuania to name a few.
  10. A process known as Bioturbation is a very significant factor in coin sink. Essentially, earthworms disturb the soil around the item, until one dry/wet/cold/whatever day, the conditions allow it to drop 2 or 3 mm. Repeat this for 100 years and your target is 20cm ( 8 inches) down. If the ground is inhospitable to worms, the sink is much slower. Unfortunately for us, earthworms tend to live in the top 30cm ( 12" ) of soil, because that's where the plant matter they eat is located.
  11. If it's laying on the surface, or nearly, then the obvious thing to try is lowering the sensitivity right down, to 5 perhaps, then you'll only get signals from shallower stuff [ or big stuff deep ]. Try a few experiments with a 'similar' mans ring.
  12. Sounds terribly over-complicated to me, surely a couple of bent coat-hangers, maybe with a pocket calculator hot-melt glued on top, would find all these targets?
  13. Sorry to hear about the accident, it sounds serious , was fire involved? How damaged is the search-coil for the Equinox ? I would actually be interested in obtaining it if it was not destroyed, I'm wanting the electronics board out of it for a tinkering project. Thanks.
  14. My guess is it's made of 9ct gold ( or some similar low-ct like 10 or 14) , so you need to get it tested, under XRF. It may still be worth 40% of a genuine one. You can also perform a density test on it, which will give a pretty good guide to ct value. I've copied this post of mine from a Geotech1 thread: Here's how to measure the volume, and also the density, of un-hallmarked jewellery etc. See the attached photo: A ) Place a small container of water ( 20 - 50 cm3 ) on your scales, and 'Tare' the readout to zero. B ) If you're wanting the weight of the item, place it alongside the water container, and take the reading as indicated. C ) Using monofilament fishing line / polyester sewing thread / very fine wire, lower the item into the water, so that it is just submerged, and not touching the bottom or sides of the container. Make sure there's no air bubbles attached. Take the indicated weight reading. Reading C is the weight of the displaced water, which, because water has a density of 1.00 g/cm3 , it's also the volume of the water in cm3 . To calculate the density, divide the weight in reading B, by the weight in reading C. So in the example, the finger ring weight = 9.50 grams. The volume = 0.92 cm3. The density calculated as 9.50 / 0.92 = 10.33 g / cm3 which is typical for Sterling Silver ( tech data usually gives a figure of 10.36 ) As a guide to what density some precious metals are, some figures are: Metal Density --------------------- 9ct gold 10.9 to 12.7 14ct gold 12.9 to 14.6 18ct Yellow gold 15.2 to 15.9 18ct White gold 14.7 to 16.9 22ct gold 17.7 to 17.8 Pure 999/24ct gold 19.3 Sterling Silver 10.2 to 10.3 Pure silver 10.5 950 Platinum 20.1
  15. I think the damaged sixpence has 'mower rash' , rather than spade strike. I've found plenty of 'coinslaw' caused by mowers, so it's no surprise that you will come across it. And it's not a tractor, it's a steamroller / roadroller, made by Aveling Barford. Possibly Budgie or Lesney Matchbox, though I would expect it would say on it's underside. This type of thing: roadroller Edit: or is it a Fun Ho ? FunHo
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