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  1. rjack321

    Buying new vs used - pros & cons?

    The Narked@90 blinky version of the Shearwater HUD is available. Although I would use the Fathom. Kiss does not specify what monitoring you use or if you use a HUD at all
  2. rjack321

    CCR trained… still diving OC?

    I have 2 CCRs I still single tank OC dive occasionally and I have a set our doubles in the garage which are more convenient for recreational dives sometimes. Most of my OC diving is with <25 divers who I sometimes give local are tours or boat trips to in order to share some local knowledge and...
  3. rjack321

    Buying new vs used - pros & cons?

    Given your location, instructor choices, and buddy pool I think you'll just have to work with the options available. I still don't like the spirit, especially in cold water. Instead of looking at the weight of the unit in isolation I would consider the total weight of units and BOs for the...
  4. rjack321

    Buying new vs used - pros & cons?

    You can do what you want but almost nobody puts dual handsets on a spirit or sidewinder. So this is kind of weird. A handset and a nerd is possible, but 2 petrels, no. Replacing the splitters is totally unnecessary unless they have failed - despite them being the massive weak link in the...
  5. rjack321

    How important to change Prism2 solenoid at 5 year mark

    As CCR maintenance goes, this has got to be the dumbest idea from a manufacturer I have ever heard.
  6. rjack321

    Christian island

    weird how the Fitz is shown on there (which is not divable) but the Gunilda is not
  7. rjack321

    DIR- GUE Min Gas... LP108 vs HP130

    Total time 1min on the bottom 30ft per min for 60ft 4 mins to the surface = 7mins Average depth = 40ft (halfway point of the time calc) = 2.3 ATA 0.75 each = 1.5 total SAC 7 * 2.3 * 1.5 = 24.15cf Tanks are functionally the same water capacity, working pressure is irrelevant Tank factor is...
  8. rjack321

    Piston or diaphragm 1st stage ?

    Bingo Sealed is really a misnomer. Water is often getting into sealed regs. And in my experience the HP seats fail more often on diaphragms than pistons
  9. rjack321

    Divemasters Should Ask 'Is Your Oxygen ON?'

    Good God, you spend more time complaining about this dirt simple question from the boat crew than an entire lifetime of reaching back, confirming its on, and saying "yup its on thanks"
  10. rjack321

    Personal Limits to Solo Diving

    I can count the number of people in North America who are qualified, with the skills, equipment, fitness, and interest in the (solo) dives I am doing on one hand. That limited number doesn't count scheduling around their work/vacation, financial constraints, weather, or availability of dry caver...
  11. rjack321

    Can a ventilator dependent diver go to depth?

    True, but this seemed covid focused at the start at least.
  12. rjack321

    Can a ventilator dependent diver go to depth?

    Huh? Sorry did not watch a 1 hour video... Ventilated, intubated people are sedated and basically unconscious. What would be the point of submerging them? If they aren't sedated to the point of seeing a fish, they tend to rip out their endotracheal tube.
  13. rjack321

    Personal Limits to Solo Diving

    My most aggressive and "riskiest" dives have turned out to be solo. I wanted a buddy sure, for the type of diving I sometimes do they are not available. The universe of people with dry caving skills, interest in 4C water, SM CCR, trimix, with vacation time, money, and availability is often...
  14. rjack321

    Divemasters Should Ask 'Is Your Oxygen ON?'

    If they are so resistant to answering "Is your O2 on?" can you imagine how grumpy they get taking <1 minutes to do this? Life Saving Procedures with Jill Heinerth - The Scuba News To be perfectly honest I don't want to be on boats with people who are going to balk and kick and scream about...
  15. rjack321

    Divemasters Should Ask 'Is Your Oxygen ON?'

    I just got back from a week long CCR liveaboard. The skipper or the DM was pretty much on deck and watching us with our prebreathes on every dive. They didnt ask this exact question but I know they were watching me go, mav, mav, gauge, gauge, handset, hud, suit, wing. Why do I know? Partway...
  16. rjack321

    What sidemount tanks should I get next?

    what gas is in the tanks? what size cylinder? With LP50s you might not even have to swing them forward at all. That is not a small hole and holding the tanks like that isnt even required. Not to mention that someone laid line through that opening (and a chain?!?) and they sure as heck...
  17. rjack321

    Is the Sidewinder a real SM unit?

    I will be the first to say that nobodies first CCR should be a sidemount unit. And the sidewinder with SM dil/bo is a sidemount unit. It can be configured different ways and even made into a spirit sure. The spirit has basically all of the same flaws as the sidewinder in a taller BM package lol
  18. rjack321

    What sidemount tanks should I get next?

    All the Fabers will tip valve down as the gas is used up below ~2000psi (nitrox or air). All of the Fabers will be valve down and butt up with trimix in them (even full). You will need to look at older Worthington or PSTs which "may" avoid this tendency. Your BC will dictate how the tank trim...
  19. rjack321

    What sidemount tanks should I get next?

    85s, 95s, and 108s all get floaty tails - at least the Fabers. older PST 95s are crazy heavy and won't Is tank trim the issue here or capacity?
  20. rjack321

    Exploration Diving

    I'm sure there are liveaboards which are hired for actual exploration projects. If the website says "Join one of our six exploration weeks in the Galapagos in 2023!" that's not exploring diddly to me even if some of the sites are new or comparatively unknown.
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