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Thread: DEMA 2007: Impressions from those staying at home...

  1. #31
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    Re: DEMA 2007: Impressions from those staying at home...

    Quote Originally Posted by AD_ward9  View Original Post
    Open Revolution units were on our stand (301 - 305, with Micropore), working, with CO2 sensors.

    We had two units there, one SSUBA and one SSUBA. The SSUBA system was a production unit. Two people on our stand were clients, explaining commercial diving with the system, and another was from the manufacturer explaining that they just made 16 and were pleased when those worked first time. The SSUBA unit was fully injection moulded in Kynar, not a prototype.

    We demonstrated the CO2 sensing with the PFD (HUD) and voice annunciation, and also the CO2 reporting to the top console.

    The CO2 sensing has been tested in manned underwater tests and in machine tests - the latter go to 1400msw on every unit (twice the physiological limit of a human). It works in air, trimix and heliox. It incorporates a He sensor.

    Alex
    So Alex, for everyone that was not there and all the people that obviously missed your display. Could you pleae attach some pictures?

    /Jonny

  2. #32
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    Re: DEMA 2007: Impressions from those staying at home...

    Quote Originally Posted by diverklondike  View Original Post
    Tibby,

    Couple comments...

    - Your purchase of a Meg with APECS 2.5 if definately not a bad one but there was a lot of great stuff at DEMA that will be further reported on as the RBW Staff gets back on the ground.

    - The Sentinel is an quite a piece of engineering. The CL's are completely protected in the case. Kevin has taken his experiance from the Boris and has really taken it to the next level with things like automatic calibration etc.. (The head senses when the scrubber has been removed and will automatically calibrate the unit based on air.) There are also various options for scrubbers and OTS Counter Lungs... The only two things that I was not excited about with the rig was the BOV (Size) and the "Thickness" of the rig. This is due to the large diameter of the scrubber.

    - The CIS is also a very interesting rig. From a technical perspective they have a very inovative approach to cell calibration and redundancy. There is a nice white paper on their website outlining the approach. Their overall focus is on "simplicity" and along with it they bring some rather inovative ideas. I agree that the unit is not as robust as some it may need to be but I would expect that will evolve.

    - KJ and GG have done a very nice job with the new HH CCR. There are scrubber options other than the 7.8 lbs version. Both larger and smaller. The configuration is very flexible when it comes to 02 injection allowing for anything from MCCR to full CCR or a combination. It's also nice seeing the focus on providing a BMCL option to those that want something other than an OTS option. As far as the electronics go, as previously posted, deco is avalible on both the primary and secondary today. I would expect that anyone considering the Meg will also give this unit a very hard look.

    - On the C02 front, I agree with you. I was hoping to see more movement here since last year.

    While I did spend two days on the show floor I am definately looking forward to all of the interviews that Stuart and the team will be posting shortly.

    Dive Safe...

    Mark
    Hi Mark,
    Thanks for your reply and clarifications. It appears I am speaking too soon about the new stuff (not enough info). I'll keep reading. The GG BMCL is definitely interesting. I do wonder though if it's worth the trade off form the convenience and WOB of OTS to the clutter-free comfort and streamline of BMCL. Either way, I'm not ready to try that yet, gotta' dive some more to find out.
    Cheers,
    Tibby

  3. #33
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    Re: DEMA 2007: Impressions from those staying at home...

    I did get to overhear about 50 percent of the Tom Rose CO2 detector presentation at the Rebreather World Party. However, I had other duties to attend to, limiting my chance to find out all of the information.

    It seems that he has produced a working prototype. The unit is about the size of 1.5 fists sitting next to each other. (For anyone who was around back in the days of the Edge dive computer, it is more or less the same size.) I wish I were able to provide more of the details.

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    Re:

    No worries, Howard, with Tom being active here thare's a fair chance he'll fill us in. ;)

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    Re: DEMA 2007: Impressions from those staying at home...

    Quote Originally Posted by ScubaDadMiami  View Original Post
    ...The unit is about the size of 1.5 fists...
    I would think it might be difficult to install something that size inside a loop...

  6. #36
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    Re:

    Well, not having seen it just my guess, it isn't installed inside the loop, or at least not entirely. My guess would be that it is added to the loop somewhere past the scrubber, a likely place would be along the inhalation hose as that would make universally adaptable. Kinda like the Oxy2.

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    Re: DEMA 2007: Impressions from those staying at home...

    Quote Originally Posted by JonnyB  View Original Post
    So Alex, for everyone that was not there and all the people that obviously missed your display. Could you pleae attach some pictures?

    /Jonny
    Yes, when I get back home in a week.

    Alex

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    Re: DEMA 2007: Impressions from those staying at home...

    Quote Originally Posted by PoseidonSv  View Original Post
    Deep Life Ltd: Specialists in life critical system design

    I dont understand if it is a rebreather or just a system for testing rebreathers?
    Try Deep Life Ltd: Specialists in life critical system design, or the Open Revolution form on this site (RBW). It is a family of rebreathers.

    Alex

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    Re: DEMA 2007: Impressions from those staying at home...

    [quote=ScubaDadMiami;148614]I did get to overhear about 50 percent of the Tom Rose CO2 detector presentation at the Rebreather World Party.


    I was in the main room next to the food table and never saw any presentation?????????????????????????????????? Where was this going on??????????????????????


    Thanks Paul

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    Re: DEMA 2007: Impressions from those staying at home...

    [quote=USSMEG;148752]
    Quote Originally Posted by ScubaDadMiami  View Original Post
    I did get to overhear about 50 percent of the Tom Rose CO2 detector presentation at the Rebreather World Party.


    I was in the main room next to the food table and never saw any presentation?????????????????????????????????? Where was this going on??????????????????????


    Thanks Paul
    Gosh, I'm sorry you missed it. Your focus must have been on the pretty girls, the excellent food, and the bar.

    Rebreather World and our fearless leader (thanks so much Stuart) had tables set up on the right hand side of the room along the window just after the registration table.

    I even had set up a trade show type of banner and a table with the Working Monitor and a retrofit configuration. I demonstrated the monitors ability to switch from a green blinking LED at .5 percent to a red/green blink above .5% and blinking red above 1.8 % continuously from 5:30 PM till after the awards ceremony...only stopping for about 5 minutes to break in line and grab a piece of roast beef.

    The crowd watching was usually 2 to three deep at the table all evening.

    I want to thank everyone who watched the demo for their interest and their suggestions....some of which are going to be implemented.

    I will be preparing some more information as soon as I decompress from DEMA....It was an exciting and heady show for me with the manufacturers strong level of interest in my little blinking toy.

    Thanks again for all the support from Rebreather World in throwing a great party and taking it to the next level.

    Tom "blinky" Rose

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