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  1. DAJ

    Cold Water regulator standards

    Again, they only provide evidence on what they have to chose from, this study represents a fraction of what is commercially available. They only selected a very small number of regulators for the testing. This is from their selection process. ”Four commercially available regulator models and...
  2. DAJ

    Cold Water regulator standards

    When the military comes up with their “list of approved“ anything, that list is contingent on what price the military can get these items for and the service contracts that are associated with them. Having also retired from the military, it was very uncommon to have better general equipment than...
  3. DAJ

    Experienced Divers: What are the most common "oh, crap!" situations?

    A few of my most memorable: Called out to a local dam for an issue with the gate. This was an old dam with the large wheel at the top center of the dam that would be turned and that would raise the gate. The report to us is that the gate must have broken off the pipe and fell down preventing...
  4. DAJ

    Question Yet another BP/W purchasing question

    When is this site going to give us the option of deleting a post….
  5. DAJ

    Question Panicking once in the sea

    It might sound odd; however, I have met a number of divers over the years that could not swim. While many of us had to pass a swim test, in only a swim suit, there are large numbers out there that did not do a swim test as part of their course. While having the ability to swim may help with...
  6. DAJ

    Halcyon Legend Wing

    I guess it might be an improvement for some, depends on your needs. I would not route a SPG hose through my BC as I just run it straight down and clip it off. I also don’t run my dry suit inflation off of my main cylinders, I run a small cylinder with argon mounted to the left side of the back...
  7. DAJ

    Very scared after second pool lesson of Padi open water course.

    JMHO, and as I am what some consider “old school”, I don’t sugarcoat a response in order to make light of the situation. Step away from the pursuit of getting your OW cert and seriously reflect on why you are doing this. While it is common for some to have apprehensions in the diving process...
  8. DAJ

    What do you love besides diving?

    No idea. I just select the pic icon, click the box and select the photo from my ipad. Then I select use and it adds it to the thread.
  9. DAJ

    What do you love besides diving?

    Here is an older pic that shows them better. The top two are AIAX rifles. One in 6.5 and the other in .338. I have since changed out the optics and the 6.5 has a Tangent Theta and the .338 is running a ZCO. The one on the bottom is an EDM Arms 50.
  10. DAJ

    What do you love besides diving?

    Extreme long range, generally 1,000 to 1,800 yards.
  11. DAJ

    What do you love besides diving?

    ELR shooting and reloading, taking the Gold Wing, truck, or vette out for a drive. Although, the majority of my free time these days is spent recovering from the latest medical procedure.
  12. DAJ

    dual outlet valve on single tank

    It works well . You can push the transmitter forward or back while pressurized but it does not flop around. I found just having the transmitter sticking out the side of the first stage was too rigid and may interfere with the right valve reaching back to close it. I also did not want a short...
  13. DAJ

    dual outlet valve on single tank

    I use it for all of my single cylinder dives. I also sling a 40 with single cylinder dives.
  14. DAJ

    Question Would you explore a strange lake?

    OP, Contact your local dive recovery unit and see what information they have on this location. They may have made previous training dives in this location or an actual recovery. They may even advise you that the area prohibits diving based on concerns that you have already identified. That would...
  15. DAJ

    Is cave diving safer than Open Water

    Like I stated, just my humble opinion. I tend to think about possibilities when the question is better served with a clearer response over generalizations. Not debating where most of the deaths occur during cave diving. The point being, a cave dive, just as in any other type of diving, can vary...
  16. DAJ

    Is cave diving safer than Open Water

    JMHO, but the only way to answer the question would be…maybe. Not every cave dive is some major expedition in extreme conditions to map some new system just like every open water dive is not conducted in crystal clear water at 40 feet. The only way to approach the question is to compare a...
  17. DAJ

    Fourth element difference between Arctic and Arctic expedition

    At 16, it’s not likely to fit you in a few years anyway so no matter what you buy now, chances are you will getting another one in a few years.
  18. DAJ

    Fourth element difference between Arctic and Arctic expedition

    If you stick with it, you will have a number of undergarments so purchasing another later is normal. I use four different ones and the temp of the water and the dive plan constitutes which garment I use for that dive.
  19. DAJ

    Fourth element difference between Arctic and Arctic expedition

    Many undergarments these days are made with three-way stretch so they move with you and they don’t need to be so bulky. Fit comes down to personal preference. I prefer a snugger fit. Your body type is another concern. Some manufacturers stick with a certain type and if you fall outside of their...
  20. DAJ

    Fourth element difference between Arctic and Arctic expedition

    By the looks of it, the expedition has different areas of material so it basically provides more material (warmth) in specific areas where you normally feel the cold more often. I don’t own one but it appears as the expedition would be a warmer garment than the basic arctic style. I use DUI and...
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