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Tony

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Posts posted by Tony

    White’s TDI Beach Hunter....... Update After 15 Months

    in White's Metal Detectors

    Posted

    I’ve recently had a few emails regarding my TDIBH so I thought I’d hammer out a response. I’m going to try and summarise with some dot points;

    • I have close to 500 hours on this machine and run the 14.8v (nominal voltage) Lithium battery pack. Details in my earlier posts.
    • The detector has found me quite a lot of big and deep gold.
    • I don’t use it much in the water as conditions down here are generally quite rough. The 12” coil is physically too big in waves and white water. Also, digging 18” targets when you are being swept around by waves and swell is almost impossible even with 30 pounds of lead.
    • The detector is now mainly used on the lower beach and low tide areas.
    • I have had no issues running the 14.8v pack. I charge overnight and let the voltage settle down before using the next day as this avoids the off the charger voltage of 16.8v.
    • My run time is about 6 hours before I swap out for a fresh pack.
    • I have had no condensation issues within the detector. I do have a large silica gel pack in the battery compartment.
    • The detector is quieter than other PI’s with the low delays when used in the shallow water and saturated hard pan. The SAT is very good in keeping things quiet even at low delay settings. Maybe it is the new Flux Capacitor that White’s now use 😉
    • I have several layers of yellow Plasti Dip on my coil to keep it well protected on the coarse shells and exposed reef areas.
    •  My ultimate power setting is minimum Delay and maximum Gain, threshold a fraction below audible with volume up high. Frequency is usually at the 12 o’clock position. I have only ever needed to change this once.
    • My deepest ever finds have come from this machine.
    • GB is always OFF unless I hit a rare patch of black sands.
    • You need a BIG and STURDY scoop..............Tony

    Why Is Everyone Wanting To Jackup The Voltage On Some White’s

    in White's Metal Detectors

    Posted

    I recently unearthed a large 18K gold ring with a substantial / quality diamond embedded into it. My TDIBH with the 14.8v battery pack just managed a tiny break in the super smooth threshold to let me know something’s there..........the ring was lodged in the limestone layer of an old beach at an exact depth of 19”. The stock 12v battery pack will get this ring at about 16”. The ring is appraised at $7500 and would probably fetch about $4000 if sold.........enough to buy 3 TDIBH’s should my unit blow up on me. I estimate that I have over 500 hours run time on my detector with the 14.8v pack 👌

    Who Has The MX Sport Maybe The MX 7

    in White's Metal Detectors

    Posted

    I don’t normally revive old threads but I thought I’d chime in with my recently purchased MX7.

    Pros: Consistent Target ID, especially with the 6” concentric coil. Lovely crisp audio that White’s does so well. For me, really well balanced. Great menu layout and sharp display. Solid build with no creaks or wobbles. Strong performance in different ground types. 

     Cons: Nothing so far.

    The MX7 is a killer unit on our Australian $1 and $2 coins with a TID of 69 and 65 respectively. Most screw caps were 70/71 (which are our nemesis down here).

    Yes I could have purchased the Equinox (which I have tried) but the MX7 just felt like it suited me better. I will report back if I discover anything I don’t like.

    How does White’s make detectors sound so good! For me, this is one of the most important aspects to any detector purchase.

     Tony 

    TDI Beachhunter Field Test Video

    in White's Metal Detectors

    Posted

    TDI Beach Hunter is next level performance.....I would estimate the TDI has a 20% depth increase (using the 14.8v battery pack) over the Garrett (which I did own some years ago). There is still much to like about the Garrett, especially the battery compartment and swap-able coils and headphones. If you are after outright depth performance then the TDI is a clear winner.

    Incidentally, I found the depth advantage using the larger coil on the Garrett was only slightly ahead of the 8" Garrett coil (which I much preferred in the shallow water and surf).

    Tony

    Simple 14.8v Battery Pack For TDI Beach Hunter

    in White's Metal Detectors

    Posted

    On 10/13/2018 at 3:17 PM, Dmnz said:

    Hi all.  I thought I would post this here.  Had a few hours off work today and thought more about this 16.8v project. 

     

    ----

    (Having experienced the CTX3030 LIION battery bay leaking (on that machine I only use the AA NIMH 1.2v tray when detecting in fairly deep water).  NIMH has less current in the event of a salt water leak). I have not had this machine submerged yet, so unsure if to trust the housing!

    -----;

    I wanted to be able to use the stock NIMH pack in the TDI BH and also the LI ION 16.8v pack for the beach when extra depth is needed!

    In the end I decided to undo the previous method with the screws on the battery terminal.  I wanted a "stock" 16.8v battery tray!

    Given the NIMH tray is only about 13USD on Amazon I decided to sacrifice the NIMH tray that came with the detector!

    A) remove lid

    B) remove all metal connectors

    C) Dremel the chassis empty.  You need to take away some of the thickness of the bottom of the tray, otherwise you won't be able to get the LI ION cells into the detector.  You will need a thinner lid also!

    Be careful not to damage the exterior of the tray.  

    D) as this was a trial, I used some old 18650 cells, a 4s balance lead, and a deans plug.  (Final version will have. Built in balance board, and charge connector so the lid won't need to be opened for charging)

    D1).  Three cells side by side.  One on a 45 degree angle.  Fits fine!

    E) wired in series for 16.8v.   hot glued into original battery chassis.

    The result - a LI ION pack that I can "change out"with the standard pack! 

    Trial completed.  The next one will be more tidy!!

     

    ****After 3 hours of detecting, still above 14v****

     

     

     

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    Good job Dale.....this is the way to go if you wish to use the standard battery trays and your DIY extra voltage packs. I like to run max power all the time (in the water and on the beach).....I got a second 16.8v pack and will swap out after 6 hours but by then I am pretty much done !

    Simple 14.8v Battery Pack For TDI Beach Hunter

    in White's Metal Detectors

    Posted

    Hello Mark,

    I have done "in ground" tests with the TDIBH and my results show a 15% performance jump when comparing the stock battery pack to the 14.4V (Nominal but comes off the charger at about 16.8V) pack. The pack I use is a 3.35Ah and I get a comfortable 7-8 hours before needing to recharge (the inbuilt BMS will automatically shutdown the detector if the voltage gets too low). When water hunting in 5 to 6 feet of water, I really struggle to dig the deep targets over 15" even with 30 pounds of lead !

    Tony

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