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Thread: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

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    RBW Member HAL4 is an unknown quantity at this point HAL4's Avatar
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    -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Hello to everybody,

    this is only to inform that the 23th of July, during 2010 Exploration in Matka Vrelo (Macedonia) Gigi Casati reached -212m at about 600m from the entrance.
    Dive was 252min long. The temperature of the cave is 12/13°C.
    Luigi "Gigi" CASATI used a COPIS/MEG.

    More info in "NEWS" Area on: Gigi CASATI - Speleonauta - Official Web Site - Sito Ufficiale

    Thank You
    Bye
    Ale

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    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    big dive...congrats!

    looks like a short runtime...any info on the profile?

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    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Impressive diving, congratulation Gigi and Team.
    Saluti Oswald

  4. #4

    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    The cave is orizontal max dept -33mt until 300mt from the entrance.
    then dept -70mt distance 425mt
    then dept -212mt distance 606mt
    it is a impressive pit 30mt wide 20mt large

    thank for compliments

    ciao
    Gigi

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    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Quote Originally Posted by gigi casati  View Original Post
    The cave is orizontal max dept -33mt until 300mt from the entrance.
    then dept -70mt distance 425mt
    then dept -212mt distance 606mt
    it is a impressive pit 30mt wide 20mt large

    thank for compliments

    ciao
    Gigi
    Hi Gigi, can you explain how the unit is run as mCCR?

    injecting offboard oxygen, rich dil, needle valve... ?

    thanks
    paul
    www.rEvo-rebreathers.com
    ...."Yes you have to pre-breathe to activate the scrubber sorb, anyone who says different doesn't know what they are talking about!"...
    .... to get more accurate CO2 injection in the breathing machine we put 2 mass flow controllers in series ...
    .... The noise is a few tens of nano-volts, so DL were able to reduce the output voltage ...
    .... radial scrubbers give longer dwell time than axials...
    .... the earth is flat and ...

  6. #6

    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    About the Copis:
    first stage free
    diluent with very low oxygen
    flow lower than your's metabolic consuption

    ciao

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    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Quote Originally Posted by gigi casati  View Original Post
    About the Copis:
    first stage free
    diluent with very low oxygen
    flow lower than your's metabolic consuption

    ciao
    Hi Gigi, I don't get it

    you mean the first stage is free, so depth compensated?
    what is the flow set at surface?

    thanks
    paul
    www.rEvo-rebreathers.com
    ...."Yes you have to pre-breathe to activate the scrubber sorb, anyone who says different doesn't know what they are talking about!"...
    .... to get more accurate CO2 injection in the breathing machine we put 2 mass flow controllers in series ...
    .... The noise is a few tens of nano-volts, so DL were able to reduce the output voltage ...
    .... radial scrubbers give longer dwell time than axials...
    .... the earth is flat and ...

  8. #8

    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Hello guys

    Way to go Gigi

    ISC's recommendation for the intermediate pressure for the O2 feed from the first stage be around 7 to 8 ata. meaning that at 60 or 70 meters the constant flow of O2 from the leaky valve fed by the first stage will no longer be adding O2 into the loop therefore manual addition weather from onboard or off board are the way to go.

    is that what you did Gigi?

    Keep Finning

    Mousa
    Last edited by Mohamed Mousa; 12th August 2010 at 21:24.

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    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Quote Originally Posted by gigi casati  View Original Post
    About the Copis:
    first stage free
    diluent with very low oxygen
    flow lower than your's metabolic consuption

    ciao
    Congratulazioni Gigi!


  10. #10
    RBW Member grogi64 is an unknown quantity at this point grogi64's Avatar
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    Re: -212m by COPIS/MEG: Gigi Casati in Matka Vrelo (Macedonia)

    Congratulazioni e meravigliosa prestazione

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