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Is Open Circuit Trimix dying a slow death?

Discussion in 'Technical Diving Specialties' started by CAPTAIN SINBAD, Oct 16, 2019.

  1. ScubaWithTurk

    ScubaWithTurk Bubble Blowing Buddha

    # of Dives: 200 - 499
    Location: Al Ain, Abu Dhabi, UAE

    No, I would still take OC Tech Trimix. The skills that are gained in that course along with the decision making is worth its weight in gold. Am I against students going straight to, say a Tech 40 CCR course from recreational diving? No I am not. It would be a longer course than a standard Tech 40 OC course but if you never plan to dive a twinset, why not go down the path you want to be on from the start. This is where I believe the instructor and not the agency comes into play but that is a discussion for another day.
    TTPaws and CAPTAIN SINBAD like this.
  2. rjack321

    rjack321 Captain

    # of Dives: 1,000 - 2,499
    Location: Port Orchard, WA
    They definitely let you hide weaknesses. Except for weak buoyancy skills, they show those off proudly
    Bierstadt, BenjaminF and PfcAJ like this.
  3. lermontov

    lermontov Manta Ray

    # of Dives: 500 - 999
    Location: christchurch
    dont die wondering - you may wish you'd bought one years ago - like I did
    Stoo and TTPaws like this.
  4. Hoyden

    Hoyden Instructor, Scuba

    # of Dives: 2,500 - 4,999
    Location: Rockville, MD
    I did the math when I was lobbying my SO. I paid for my RB and my training in 18 months of diving. I was doing a lot of tech diving then and a gas bill for one day boat trip could be north of $150 so it added up quickly. I did buy a used rebreather so I was only in for $5000 plus supplies and training.I did not include the travel for training since we went to places that I would have gone anyway.
    Jay likes this.
  5. wedivebc

    wedivebc CCR Instructor ScubaBoard Supporter

    At the risk of being flamed, what are these all important OC skills that are beyond the reach of us CCR divers?
  6. Degenerate

    Degenerate DIR Practitioner

    That's really too bad.
    I'm working hard on my OC trimix experience to take the leap towards rebreathers sometime in the future but unfortunately I don't have the chronic mental disorder needed for it.
    My SO does have it but she unfortunately does not dive, do you think it is contagious so that maybe I can catch it from her before I move on to a rebreather?

    Are you ******* serious?
  7. wetb4igetinthewater

    wetb4igetinthewater Instructor, Scuba

    # of Dives: 500 - 999
    Location: Seattle
    Yes. CCR is a huge investment. For dives to 45, 50 meters max, I'm okay with the bill for trimix. While I am trying to get on a rebreather, there are some practicalities in my life preventing me (newborn daughter).
    BenjaminF likes this.
  8. Valyngar

    Valyngar Nassau Grouper

    To some of us rebreather saves hours filling and drving around with tanks time. Easy just to whip a little from larger tanks to 3l tanks. Rebreather has already saved me about 10 hours in 2 months.
    KenGordon likes this.
  9. rjack321

    rjack321 Captain

    # of Dives: 1,000 - 2,499
    Location: Port Orchard, WA
    Gas planning? I mean there are CCR instructors diving a single lp45 (air?) on 180ft wrecks. Then razzing other CCR divers who bring 2x 80s of BO for that kind of dive.

    The only CCR divers who I see bemoaning doing deep or extended (cave) bailouts are those who dont have much OC experience.

    how many of these dives are you doing a year?
    tmassey likes this.
  10. wetb4igetinthewater

    wetb4igetinthewater Instructor, Scuba

    # of Dives: 500 - 999
    Location: Seattle
    My need for rebreather training stems from a possible project in the Mediterranean filming ancient shipwrecks. Once I open a dive op in Greece, I have some rough locations for ancient wrecks discovered by an old sponge diver that are unreported. When found, I will take video/images, build a photogrammetric model (I unfortunately missed Kees's class due to the birth of my daughter, but plan on it in the future) and then report to the Ephorate of Underwater Antiquities. I would support continued surveying/excavation, as those kind of resources don't exist with a bankrupt government.

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