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Willy

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Posts posted by Willy

    Testing The New AQ

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    Le Jag never implied that there was a target ID (VDI) on the Impulse AQ.

    All the video sessions have shown the IRON REJECTION in one of the two disc modes; no more, no less.

    Indeed, in TONE mode, a gold target gives a HIGH PITCH sound and ferrous target gives a LOW PITCH sound.

    In MUTE mode, the ferrous targets give NO SOUND and non-ferrous targets give HIGH PITCH sound.
    The only non-ferrous targets shown have always been GOLD JEWELRY , no coin of any type.

    It is also what is specified on the 'flyer '

    Fisher Impulse AQ Limited - First Impression

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    8 hours ago, Steve Herschbach said:

     

    . The coil is much lighter than I thought it would be looking at it. It has that heavy epoxy look in pictures, but it is lighter and smaller in real life than I was anticipating. I'll have no problem with this in the water - I've run a CTX 3030 with 17" coil for full days at neck depths. This will be a piece of cake by comparison, especially as regards water resistance.

     

    The coil is filled with epoxy mixed with glass bubbles. Density 0.8

    Official Fisher Impulse AQ Ltd Facebook & Website Links

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    3 hours ago, Steve Herschbach said:

    Cryptic new post on the Impulse Facebook page:

    "Hello
    You may have heard about some models sold recently.
    These models are 'almost final', approaching 99% of the final model. We will study a little bit more if something needs to be changed. It's more about solidity, rather than design. And when I say solidity, I mean screws, rubber...
    Design and electronics are not supposed to change. 😄"

    OK, so maybe hardware changes, but electronics done... but then a laughing emoji. I think the intent is to say that the electronics are done but the laugh kind of undermines the message. Very odd.

    I wonder who has written this strange message❓❓❓

    Anyway, there are not so many readers of that page, so, who cares!!

     

    Homemade Battery For Impulse AQ Ltd

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    29 minutes ago, PPP said:

    Hi Guys!

    Can someone please tell me how the display unit is attached to control unit? I assume its through the shaft and maybe the battery is linked between those units??

    What you call the display unit is also the control unit containing all active electronics.

    There is nothing more in the battery pod than the battery pack and connections.

    There is a multi-wire cable coming from the enclosure through the handle and the upper shaft and connected to the connector at the end of the shaft (filled at the back with epoxy)

    Fisher Impulse AQ Videos

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    7 hours ago, Steve Herschbach said:

    Most people are probably looking for videos and depth comparisons.

    Alexandre will redo ASAP the old video's he did on a French beach years ago, this time using a production version of the iMPULSE AQ LTD.(Yes, he has finally got a real one back from FTP😉)

    They were made in French and at best, in approximate English and commented in good English by Rick who published them on this forum and others. Look below. I am sure you know most of them.

    You will see how much the Impulse AQ LTD has progressed since the time these video's were made and published.

    These video should be considered just as examples of what the system is able to do, not polished marketing demo made by professionals.

    There could be a few depth and disc comparisons  depending on availability of  competitor beach units

    We expect many more coming from the early adopters. They will probably made with more professional expertise and material.

    MANTA in 2013:

     

    Impulse AQ prototype (still named AQUAMANTA) in end 2016

    https://www.youtube.com/watch?v=ubQ8sMSADSE&t=0s

    Impulse AQ in early 2020

     

     

    Fisher Impulse AQ Ltd Waterproof To 1 Meter

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    Quote

     So these connectors probably have a large safety factor built in that Fisher and even more so Minelab/White's are taking advantage of.

    Lack of conservatism and over-optimism on depth specs have generated in the past many returns due to leakage on waterproof units.

    Lesson learned at FTP!!

    The initial design of Impulse AQ was to completely fill the enclosure and battery pack with SELF-HEALING NON-CONDUCTIVE GEL, thus, giving 100% guarantee against any leakage.

    This design  has been rejected because of the extra weight due to the gel. Now, the covers of the enclosure and battery pack as well as the back of all external connectors are sealed with hard EPOXY.--> Same 100% leakage-free guarantee.

    Weak points are the M8 connectors spec'd as IP68 but are not waterproof when UN-MATED.
    This is a common problem in all these connectors. However, the potential water ingress is only limited to the external pins of the connectors thanks to the epoxy filling.

    It remains that salted water is very conductive, thus can generate short-circuits on power circuits.

    All types of industrial battery are now supplied with an integrated protection circuit against inverse polarity, over-charging and over-current, they just detect that and automatically disconnect. The unit will not power up or will shut down.

    The risk of connector flooding is still there but with minimized consequences on the health of the unit.

    The operator manual of the Impulse AQ  LTD will STRONGLY advise users to be very careful when mating the power and headphone connectors.

    The final solution will suppress the external power circuit cable and connectors on the Impulse AQ.

    Homemade Battery For Impulse AQ Ltd

    in First Texas - Bounty Hunter, Fisher & Teknetics

    Posted

    Hi folks,

    I am an old Belgian Engineer who is  related to the Impulse Series projects being part of what is named the EUROTEAM as Senior Consultant. However, not at all on the  payroll of FTP

    I am delighted to find a forum with such  reasonable contributors (with a few exceptions😢) and such a good administrator!!

    I volunteer to help answering some of the many questions occurring on this topic and on all the topics of this very forum related to the Impulse Series.

    That does not imply that I am a detectorist in any way, I just have a good experience with archaeological work using scoop, brush and sweat but also, accessorily,  metal detectors.

     

    When you put your hands on this unit, you should not attempt any opening of the enclosure nor the battery pod, they are completely sealed with hard EPOXY. This guarantees their watertightn'ess. If anyone would insist doing it, there are very good chances that some non repearable damage will occur.

    Nothing mysterious about those M8 connectors. Not proprietary at all. Alexandre can surely publish the internal connections if asked politely😉.

    You just need to replicate the connections of the power cable if you want to replace it for any good or bad reason

    Make sure the polarities are correct otherwise,  BAAAMMM!!!!

    It is even possible to extend the length of the  power cable in order to mount the battery packs at the hip.

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