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  1. Capt Tom McCarthy

    Apeks HP Seat failure: rumor or fact?

    Just wanted to chime in on this… I’ll never buy Apeks again after how they handled this. I think I had 6 or 7 full HP runaways on them (both CCR and OC use). I posted a thread on a FB group about them and got a crazy number of public responses about people saying the same. Privately it was even...
  2. Capt Tom McCarthy

    I'm a rec instructor. I want to be a tec instructor. No tec experience. I'm gonna need your help.

    You've clearly struck a nerve with experienced instructors and divers with this line of questioning. This is because we've all seen this mentality permeate technical diving, and many of us have lost friends over the years to it. Simply answering it, without correcting the mentality behind it, is...
  3. Capt Tom McCarthy

    The Third Dive: The Death of Rob Stewart

    Serious question, was it a conscious choice to leave out the fact that the instructor is currently suspended from teaching? I don't know the circumstances surrounding it but regardless of whether the agency is right or wrong wouldn't this be incredibly pertinent to address? You glossed over the...
  4. Capt Tom McCarthy

    The Third Dive: The Death of Rob Stewart

    Is there an additional part to this documentary that is still to be aired? There's a lot that was in the trailer that was left out.
  5. Capt Tom McCarthy

    The Third Dive: The Death of Rob Stewart

    Are the depositions available anywhere?
  6. Capt Tom McCarthy

    SF2 or REvo rebreathers

    I think they're both really great units. It's why I chose to dive them and eventually teach them. I find that the people who hate on rEvo usually have a personal problem with them or an instructor. In many cases they have legitimate points for their anger and I wont try to belittle their...
  7. Capt Tom McCarthy

    SF2 or REvo rebreathers

    The controller sends a begin dive and end dive message to the SOLO board. If the controller is cut from the system before the end dive message is received, the internal board will maintain a setpoint of 0.7, assuming you still have a functional 9v inside the head. This only works underwater and...
  8. Capt Tom McCarthy

    (nearly) Hard earned lesson

    My guess? Your OPV was too open or stuck open. You were possibly venting gas out of it throughout the dive without realizing it (even normal lung volume can crack a loose OPV and it has happened to me). When you did your dil flush you were shooting gas mostly out the weak OPV and it didn't get a...
  9. Capt Tom McCarthy

    Filmmaker Rob Stewart dies off Alligator Reef

    I laughed too hard at these. It's refreshing to see someone happily admit when they were wrong without making a big thing out of it! We're all here to keep learning at the end of the day.
  10. Capt Tom McCarthy

    Filmmaker Rob Stewart dies off Alligator Reef

    Yeaaaaa, I'm damn well sure that I never taught you that in your crossover course but to be fair a crossover doesn't really get that deep into dive theory and focuses more on building the unit. It's pretty much assumed that your student knows the gyst of "Carbon Monoxide = Very Bad" Like St...
  11. Capt Tom McCarthy

    Filmmaker Rob Stewart dies off Alligator Reef

    I disagree with this. I've never been so fatigued that I just let my loop fall out of my mouth nor have I heard of this ever. Hypoxia is more likely, considering the mix used coupled with distraction and a hard surface swim.
  12. Capt Tom McCarthy

    Who should use a CCR?

    I wrote a blog entry about this a while back... When are you ready for a rebreather? In my own situation, I would continue to use a rebreather if someone told me I could never do a dive deeper than 130', or if I could never go farther than 2000' into a cave. For me, I believe that the following...
  13. Capt Tom McCarthy

    Filmmaker Rob Stewart dies off Alligator Reef

    Yea, Occam's Razor has flaws when it comes to real world application. Many diving related accidents are more often like a Rube Goldberg machine in how they lead up to an actual incident. Some of these leave evidence. Some of these leave nothing. Some of these reset or vanish as soon as they happen.
  14. Capt Tom McCarthy

    Brad Horn on the rEvo

    Normally I stay out of this stuff, but when I see 'BRAD HORN ON ANYTHING' as a major thread title on the biggest dive forum, I swallow the vomit and pull up the chair.
  15. Capt Tom McCarthy

    Brad Horn on the rEvo

    "DVD's and FTP's are $250 per day plus $30 delivery and you can order select days or the whole trial."
  16. Capt Tom McCarthy

    Brad Horn on the rEvo

    Mr. Horn, a few questions for you. 1. Do you manufacture rebreathers for profit? 2. Would you consider rEvo Rebreathers to be a competitor to you in this market? 3. Do you present hypothetical situations with regards to diving accidents? 4. How many rEvo rebreather deaths are you aware of...
  17. Capt Tom McCarthy

    Brad Horn on the rEvo

    Too bad the delete function wasn't working today.
  18. Capt Tom McCarthy

    Diving incident at Eagles Nest Sink

    Probably, but you're still talking about being almost 300' deep, in a silt out, while on Open Circuit, in a restriction that just demoralized you to the point where you actually removed your rebreather. I think at that point you're just trying to get out.
  19. Capt Tom McCarthy

    Diving incident at Eagles Nest Sink

    The statement said that the QC6 offboard connection was found still connected to the final bailout cylinder which was used. Both onboard and offboard 95 were drained. You would have a breathable loop for small period of time, for sure, assuming that you don't have to descend, clear a mask or...
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