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Instructor bent after running out of air at 40m

Discussion in 'Accidents & Incidents' started by Scared Silly, Jul 31, 2018.

  1. dmaziuk

    dmaziuk Regular of the Pub

    7,160
    3,281
    This guy, however, tells exactly what he did and exactly how it went sideways: no "pushing the limits a little" or "a discrepancy with our breathing rate and stuff". He bounced to triple-digits and ended up with 30-40 minutes of gas and 1hr+ of deco. He knew he was getting bent and on the way up he choose to share gas with the other two, one of whom was in blind panic and has drained their both' tanks completely. His story I'll take on face value any day.
     
    Last edited: Aug 9, 2018
    CT-Rich, Fibonacci, A.S.H. and 2 others like this.
  2. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

    # of Dives: 500 - 999
    Location: Napa, California
    5,294
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  3. EireDiver606

    EireDiver606 Public Safety Diver

    1,364
    503
    No, I mean if he was diving narked and timing you then the test isn’t a trues test. He needs to non - narkable to test you properly with trimix or nitrox.

    I understand you though.
     
    Lorenzoid likes this.
  4. CT-Rich

    CT-Rich ScubaBoard Supporter ScubaBoard Supporter

    3,377
    3,547
    The only thing the instructor needs to do to administer the test is to start and stop the timer. Pretty much any drunken idiot can start and stop a watch. And considering that the test was done at 70 feet, an experienced diver will probably not be significantly impacted to administer the test.
     
    Steve_C likes this.
  5. A.S.H.

    A.S.H. Solo Diver

    # of Dives: 100 - 199
    Location: Deep East Texas
    76
    24
    I don't know CT-Rich there are some serious absolute morons out there.
     
    BenjaminF and Bob DBF like this.
  6. CT-Rich

    CT-Rich ScubaBoard Supporter ScubaBoard Supporter

    3,377
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    This is a pretty easy way to demonstrate why you don’t trust your judgement at depth. Focus on a couple of mission critical tasks; depth, time, turn pressure. These two yahoos got into trouble doing risky, pooch screwing activities.
     
    Bob DBF and A.S.H. like this.
  7. A.S.H.

    A.S.H. Solo Diver

    # of Dives: 100 - 199
    Location: Deep East Texas
    76
    24
    I agree
     
  8. Kay Dee

    Kay Dee Contributor

    # of Dives: I'm a Fish!
    Location: East of Woodstock, West of Vietnam
    383
    285
    Hear, Hear and here, here (and, don't forget to do that while focusing on focusing if your a 'shooter', in the photographic sense)! :poke:
     
    Last edited: Aug 10, 2018
  9. Greenjuice

    Greenjuice Contributor

    134
    64
    A friend's dad used to dive with the US military NATO base in Turkey in the 60s and 70s. This was his capillary depth gauge. Also made in Italy.
    It's also meant to help work out the stop times based on bottom times, but I can't figure out how.

    upload_2018-8-10_18-31-45.png
    [​IMG]
     
  10. АлександрД

    АлександрД Contributor

    # of Dives: 100 - 199
    Location: Moscow, Russia
    999
    1,837
    there was great MECHANICAL bend-a-matic :)
    Scubapro SOS Dekometer demontiert
    cadecbef29e42e1144da2dd7226bf604.jpg
    It use very simple phisical simulation of one tissue
    It has membrane and the soft bag with gas (helium i think). and two chambers, separated by this membrane.
    And arrow just show difference of the pressure between two chambers. It is the same as gas saturation for one tissue compartment.
     
    Last edited: Aug 10, 2018

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