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Posted: 4/3/2016 1:20:00 PM EDT
[#1]
Staying in too long, and not pulling out like you're supposed to has ruined the lives of many men.
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Posted: 4/3/2016 1:20:35 PM EDT
[#2]
Why do people still use air tanks? Don't they have rebreathers and things now that take the oxygen from the water?
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Posted: 4/3/2016 1:24:05 PM EDT
[#3]
Quote HistoryQuoted:
The #1 nope tied with being on-fire. THIS! |
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Posted: 4/3/2016 1:32:34 PM EDT
[#4]
Quote HistoryQuoted:
Why do people still use air tanks? Don't they have rebreathers and things now that take the oxygen from the water? Rebreathers are error prone and have some significant disadvantages. Many divers carry normal tanks with them as a bailout option, which is a significant problem with diving deep. I know Wikipedia isn't the best source for a lot of things, but their overview of rebreathers is pretty good. There are a lot of cavers who use rebreathers, but I think most still use tanks. I'm not aware of any technology that removes oxygen from water. |
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Posted: 4/3/2016 1:34:25 PM EDT
[#5]
Quoted:
Why do people still use air tanks? Don't they have rebreathers and things now that take the oxygen from the water? Rebreathers have their own set of technical challenges, and they still require a bailout method (breathable compressed gas). Some agencies err on the side of caution, requiring enough emergency gas to return from the most distant point of penetration. An anesthesia machine is a rebreather system when we go closed or semi-closed circuit, so the science and application of it is interesting to me. I also know how easy it is to kill someone on a surface rebreathing system while controlling the system for them. Controlling your own system at depth in an emergency, possibly with the neurological impairment from various gas problems, is not to be taken lightly. Gas monitor fails and you go hypoxic without knowing it? Good night. Hyperoxic mixture? Same. CO2 hit, from scrubber failure or something else? Miserable and good night. I had a CO2 hit at only 20 feet while dehydrated, overweighted, in 1-5' visibility, and trying to follow a buddy whose idea of buddying was "kick fins hard so buddy can see you swim away." We had done the lost buddy drill twice, and it was pretty clear that this was essentially a solo quarry dive for each of us. I recognized the CO2 symptoms including the tunnel vision, hyperventilation, and raging headache. Members of the group soon silted the viz to zero on a guideline we were following for practice. I couldn't see my hand until touching the mask, and "up" was slowly lighter than "down." No viz, no buddy, on guideline, but no overhead. I figured it was a good time to practice stop/breathe/think/act, thinking through how I'd need to work through it in a true emergency. Dave Shaw's CO2-relate death listed on page 1 was on rebreather. IIRC, within the last decade, we had someone die here in Idaho from hypoxia on a rebreather in a practice pool. |
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Posted: 4/3/2016 1:35:05 PM EDT
[#6]
I got open water certified 10 years or more ago. I did it because the girl I was dating loved diving and I thought it would be fun to do it together. Well she broke my heart and destroyed my soul a few weeks before the class and with the non-refundable fee already paid I decided to take it anyway. I learned that I prefer to be above the water more than under it, I used up a tank of air twice as fast as everyone else, and that wetsuits fucking suck. I think I may have ruptured or injured my ear drum as well. I haven't gone scuba diving since then.
Cave diving? Fuck that shit. |
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Posted: 4/3/2016 1:43:02 PM EDT
[#7]
Cave diving is similar to Russian Roulette.
Spinning the wheel...is always exciting. |
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Posted: 4/3/2016 1:47:33 PM EDT
[#8]
I find the idea of diving in caves to be completely and utterly terrifying.
I can't conceive of a reason compelling enough to make me even attempt it - and I have a pretty vivid imagination. No. Thank. You. Quoted:
The #1 nope tied with being on-fire. As a retired firefighter... I would rather be alone, on the floor above, doing a search of a Collyer's Mansion, in a truss-construction building, with my Vibralert going off, than dive in a cave. |
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Posted: 4/3/2016 1:48:11 PM EDT
[#9]
Quote HistoryQuoted: Why do people still use air tanks? Don't they have rebreathers and things now that take the oxygen from the water? Expense. It adds a lot of complexity and requires more proficiency than tanks. Tanks are simple and reliable. Consider that most divers don't dive all that often, like myself. If I cleaned my stuff before I put it away a few months ago there is an excellent chance my gauges and Scuba Pro Mk25/600 is going to work just fine. |
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Posted: 4/3/2016 1:50:11 PM EDT
[#10]
Quote HistoryQuoted: I'm not aware of any technology that removes oxygen from water. I was thinking of something like this:  |
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Posted: 4/3/2016 1:50:11 PM EDT
[#11]
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How the hell does that giant section support itself with no bottom and basically no top connection. Am I looking at it wrong? That picture is a cross-section. Think of it like a skywalk between two buildings. So much nope in cave diving. Just thinking about it in the safety of my own home here is raising my blood pressure. |
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Posted: 4/3/2016 1:52:16 PM EDT
[#12]
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Really. This isn't some dumb ass who brought his kid with him or deserves a Darwin award or was committing a crime. It's a 43 year old explorer with a family. That guilt that you must have somewhere deep down at piling on and posting something you can't possibly think is funny... I'd listen to it. Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. Really. This isn't some dumb ass who brought his kid with him or deserves a Darwin award or was committing a crime. It's a 43 year old explorer with a family. That guilt that you must have somewhere deep down at piling on and posting something you can't possibly think is funny... I'd listen to it. You are quite correct. He's a dumbass for considering thrill seeking to be more important than his family. That's okay, his family can have a garage sale and sell off all his cave diving junk. |
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Posted: 4/3/2016 1:52:21 PM EDT
[#13]
Nope nope nope
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Posted: 4/3/2016 1:53:01 PM EDT
[#14]
Quote HistoryQuote HistoryQuoted: Quoted: I'm not aware of any technology that removes oxygen from water. I was thinking of something like this:  https://youtu.be/IyrQc1Z4g3YGood chance it is a scam. https://gearjunkie.com/triton-artificial-gills-breathe-underwater |
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Posted: 4/3/2016 1:54:27 PM EDT
[#15]
Quote HistoryAs above. They refunded $900k to supporters. https://gearjunkie.com/refunded-triton-artificial-gills-campaign-update https://www.reddit.com/r/news/comments/4czcli/artificial_gills_scam_comes_clean_triton/ |
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Posted: 4/3/2016 1:57:25 PM EDT
[#16]
Quote HistoryQuote HistoryQuoted: Quoted: Quoted: I'm not aware of any technology that removes oxygen from water. I was thinking of something like this: https://youtu.be/IyrQc1Z4g3YGood chance it is a scam. https://gearjunkie.com/triton-artificial-gills-breathe-underwater That was just the first one I came across. For some reason, I thought this was a common technology. Perhaps in the Berenstein universe. (I would swear I read about these type of rebreathers.) |
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Posted: 4/3/2016 1:57:38 PM EDT
[#17]
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Not sure how your partner has air, finds him, and dude is already dead. Quote HistoryQuoted:
By the time Young finally found Thompson, he was already dead. Not sure how your partner has air, finds him, and dude is already dead. He had more air then the dead guy. |
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Posted: 4/3/2016 1:57:51 PM EDT
[#18]
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Staying in too long, and not pulling out like you're supposed to has ruined the lives of many men. Well played. 
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Posted: 4/3/2016 2:03:02 PM EDT
[#19]
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How the hell does that giant section support itself with no bottom and basically no top connection. Am I looking at it wrong? Quote HistoryQuoted:
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overhead enclosure diving is incredibly dangerous. At 194 ft as well? Fuck that. RIP Cavern diving is extremely dangerous....you need certification...tons of experience...and triple redundant safety along with backup divers ready to rescue....with a well practiced plan in place. Sounds like a place where permanent safety cables leading in an out are not in place? http://www.tamug.edu/cavebiology/Bahamas/caves/images/GuardianMap.jpg Whole lotta NOPE in that picture. Gotta love all those squeeze points... And the question marks are just so comforting. How the hell does that giant section support itself with no bottom and basically no top connection. Am I looking at it wrong? Lol I was just asking myself the exact same question. |
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Posted: 4/3/2016 2:04:16 PM EDT
[#20]
Quote HistoryQuoted:
That was just the first one I came across. For some reason, I thought this was a common technology. Perhaps in the Berenstein universe. (I would swear I read about these type of rebreathers.) The technology isn't there yet. Artificial gills require a very large surface area, and CO2 still is generally the limiting factor. It's easy to get oxygen into the body, but CO2 diffuses out more slowly. Liquid breathing of perfluorocarbon (cf. The Abyss)is another possibility, but the work of "breathing" the liquid enough to remove the CO2 at anything above a motionless state would require mechanical ventilation. |
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Posted: 4/3/2016 2:08:35 PM EDT
[#21]
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Your butthurt and avatart are very funny. You seem bends out of shape. Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. So, do you think making jokes about someone's death is good sport or appropriate? |
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Posted: 4/3/2016 2:15:13 PM EDT
[#22]
Quote HistoryQuoted:
So, do you think making jokes about someone's death is good sport or appropriate? Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. So, do you think making jokes about someone's death is good sport or appropriate? 
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Posted: 4/3/2016 2:16:34 PM EDT
[#23]
Quote HistoryQuoted:
Nitrox I bet Quote HistoryQuoted:
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194 ft? Wonder if Nitrogen Narcosis got to him. Either way fuck that shit. I say that as a certified public safety diver who has done plenty of blackwater dives. Nitrox I bet You would bet wrong and it would cost you your life as well. Nitrox only works to a certain depth. If he is going to be anywhere near these depths, he needs trimix. And he needs to have bottles set-up at depth for his deco stops. He was combining several types of diving into 1 and he did not plan his dive. |
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Posted: 4/3/2016 2:21:47 PM EDT
[#24]
Quote HistoryQuoted:
So, do you think making jokes about someone's death is good sport or appropriate? Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. So, do you think making jokes about someone's death is good sport or appropriate? Some people are just way to compressed. |
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Posted: 4/3/2016 2:30:45 PM EDT
[#25]
Quote HistoryQuoted:
Not sure how your partner has air, finds him, and dude is already dead. Quote HistoryQuoted:
By the time Young finally found Thompson, he was already dead. Not sure how your partner has air, finds him, and dude is already dead. said he was in there overnight, so I would think his partner went back to the surface and found him on another dive back down. those tanks do not last that long. |
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Posted: 4/3/2016 2:41:37 PM EDT
[#26]
Quote HistoryQuoted:
I doubt his gas mix would have allowed for that. Probably on trimix or something. No need for narcosis to kill you at that depth, in that environment. Plenty of other ways. Quote HistoryQuoted:
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194 ft? Wonder if Nitrogen Narcosis got to him. Either way fuck that shit. I say that as a certified public safety diver who has done plenty of blackwater dives. I doubt his gas mix would have allowed for that. Probably on trimix or something. No need for narcosis to kill you at that depth, in that environment. Plenty of other ways. True. Don't have much experience with anything past 80 ft so I didn't really think about that. I've been scared enough in a 20 ft of blackwater. Like I said, fuck that shit. |
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Posted: 4/3/2016 2:43:32 PM EDT
[#27]
i like the sky. you're not going to catch me in a cave at all if i can help it.
diving in a cave? forget it. |
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Posted: 4/3/2016 2:45:06 PM EDT
[#28]
"A man has GOT to know his limitations."
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Posted: 4/3/2016 2:46:15 PM EDT
[#29]
Quote HistoryQuoted: The technology isn't there yet. Artificial gills require a very large surface area, and CO2 still is generally the limiting factor. It's easy to get oxygen into the body, but CO2 diffuses out more slowly. Liquid breathing of perfluorocarbon (cf. The Abyss)is another possibility, but the work of "breathing" the liquid enough to remove the CO2 at anything above a motionless state would require mechanical ventilation. Quote HistoryQuoted: Quoted: That was just the first one I came across. For some reason, I thought this was a common technology. Perhaps in the Berenstein universe. (I would swear I read about these type of rebreathers.) The technology isn't there yet. Artificial gills require a very large surface area, and CO2 still is generally the limiting factor. It's easy to get oxygen into the body, but CO2 diffuses out more slowly. Liquid breathing of perfluorocarbon (cf. The Abyss)is another possibility, but the work of "breathing" the liquid enough to remove the CO2 at anything above a motionless state would require mechanical ventilation. I probably read about rebreathers and misunderstood their purpose. Thanks for the information. |
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Posted: 4/3/2016 2:53:50 PM EDT
[#30]
A man has got to know his limitations. Tragic but there is a reason it is considered dangerous.
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Posted: 4/3/2016 3:28:09 PM EDT
[#31]
Quote HistoryQuoted:
said he was in there overnight, so I would think his partner went back to the surface and found him on another dive back down. those tanks do not last that long. Quote HistoryQuoted:
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By the time Young finally found Thompson, he was already dead. Not sure how your partner has air, finds him, and dude is already dead. said he was in there overnight, so I would think his partner went back to the surface and found him on another dive back down. those tanks do not last that long. Didn't see that, makes sense now. 
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Posted: 4/3/2016 3:34:38 PM EDT
[#32]
Cave divers are fucking nuts.
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Posted: 4/3/2016 3:41:49 PM EDT
[#33]
He was on a rebreather. They were mapping and tying lines in a uncharted cave system. Lead and Shane got separated in zero visibility when a tie off came loose. Lead made it out blind. Shane did not and was found by recovery team the next day.
The rest I have read I cannot 100% confirm so I won't post. I'm sure the cave diving forums will have a complete report in a few weeks. For those that have the urge to try cave diving please go through the proper training and get certified. Even going into a cave 20 to 30 feet can lead to a out of control situation and death. There is a reason these signs are at every major cave system entrance. This being said cave diving is worth the time if you have the urge to experience the wonders of underwater caves. 
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Posted: 4/3/2016 3:42:48 PM EDT
[#34]
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Some people are just way to compressed. Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. So, do you think making jokes about someone's death is good sport or appropriate? Some people are just way to compressed. Oh, two. |
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Posted: 4/3/2016 3:51:32 PM EDT
[#35]
Cave diving, Parachutes, Free climbing
Things you love but may not love you or things that kill experts. |
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Posted: 4/3/2016 3:57:41 PM EDT
[#36]
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Panic Eta: this thread reminds me of the one awhile back about caving and cave diving. Gives me the creeps just thinking about it. Quote HistoryQuoted:
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By the time Young finally found Thompson, he was already dead. Not sure how your partner has air, finds him, and dude is already dead. Panic Eta: this thread reminds me of the one awhile back about caving and cave diving. Gives me the creeps just thinking about it. Yeah that guy that died upside down in a cave whole spelunking, fuck that. I believe water started to collect in the hole his head was stuck in as well, drowning him upside down. |
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Posted: 4/3/2016 4:01:04 PM EDT
[#37]
Quote HistoryQuoted:
Nitrox I bet Quote HistoryQuoted:
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194 ft? Wonder if Nitrogen Narcosis got to him. Either way fuck that shit. I say that as a certified public safety diver who has done plenty of blackwater dives. Nitrox I bet Nitrox at 194? No |
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Posted: 4/3/2016 4:01:11 PM EDT
[#38]
Quote HistoryQuoted:
Nitrox I bet Quote HistoryQuoted:
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194 ft? Wonder if Nitrogen Narcosis got to him. Either way fuck that shit. I say that as a certified public safety diver who has done plenty of blackwater dives. Nitrox I bet Too deep for Nitrox. Likely Trimix. |
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Posted: 4/3/2016 4:02:50 PM EDT
[#39]
Quote HistoryQuoted:
Not sure how your partner has air, finds him, and dude is already dead. Quote HistoryQuoted:
By the time Young finally found Thompson, he was already dead. Not sure how your partner has air, finds him, and dude is already dead. Panic causing co2 poisoning, gas loss, etc. Divers very often die with gas in the tanks. |
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Posted: 4/3/2016 4:06:11 PM EDT
[#40]
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Why do people still use air tanks? Don't they have rebreathers and things now that take the oxygen from the water? Retreathers aren't as reliable. |
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Posted: 4/3/2016 4:07:52 PM EDT
[#41]
Quote HistoryQuoted:
I find the idea of diving in caves to be completely and utterly terrifying. I can't conceive of a reason compelling enough to make me even attempt it - and I have a pretty vivid imagination. No. Thank. You. As a retired firefighter... I would rather be alone, on the floor above, doing a search of a Collyer's Mansion, in a truss-construction building, with my Vibralert going off, than dive in a cave. Quote HistoryQuoted:
I find the idea of diving in caves to be completely and utterly terrifying. I can't conceive of a reason compelling enough to make me even attempt it - and I have a pretty vivid imagination. No. Thank. You. Quoted:
The #1 nope tied with being on-fire. As a retired firefighter... I would rather be alone, on the floor above, doing a search of a Collyer's Mansion, in a truss-construction building, with my Vibralert going off, than dive in a cave. Don't threaten me with a good time.
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Posted: 4/3/2016 4:08:22 PM EDT
[#42]
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I was thinking of something like this: Is bs, and couldn't work more than a few feet deep if it was real. https://youtu.be/IyrQc1Z4g3Y
Quote HistoryQuoted:
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I'm not aware of any technology that removes oxygen from water. I was thinking of something like this: Is bs, and couldn't work more than a few feet deep if it was real. https://youtu.be/IyrQc1Z4g3Y
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Posted: 4/3/2016 4:11:49 PM EDT
[#43]
Fuck his partner!
Him and his dive buddy got to do what they dreamed of, but the rest of us shouldn't get to do the same because of his assumption that its too dangerous. Fuck him. |
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Posted: 4/3/2016 4:14:08 PM EDT
[#44]
I've always been fearful of cave diving. That's why I don't do it.
I treat cave diving like I do abandoned mines... STAY OUT AND STAY ALIVE! |
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Posted: 4/3/2016 4:15:07 PM EDT
[#45]
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So, do you think making jokes about someone's death is good sport or appropriate? Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. So, do you think making jokes about someone's death is good sport or appropriate? The point is when someone dies engaging in an "extreme sport" the board is lit up with people condemning and making fun of the guy or girl. In this instance a guy dies engaging in extreme cave diving and a similar level of condemnation and making fun of the person is profoundly lacking. Compare this thread to the recent base jumping thread and the contradictions are glaring. |
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Posted: 4/3/2016 4:24:00 PM EDT
[#46]
Diving in no visibility waters is no joke by itself. Add all that other BS and NOPE!!!
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Posted: 4/3/2016 4:31:45 PM EDT
[#47]
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He died doing what he loved. breathing water? |
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Posted: 4/3/2016 5:02:13 PM EDT
[#48]
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Really. This isn't some dumb ass who brought his kid with him or deserves a Darwin award or was committing a crime. It's a 43 year old explorer with a family. That guilt that you must have somewhere deep down at piling on and posting something you can't possibly think is funny... I'd listen to it. Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. Really. This isn't some dumb ass who brought his kid with him or deserves a Darwin award or was committing a crime. It's a 43 year old explorer with a family. That guilt that you must have somewhere deep down at piling on and posting something you can't possibly think is funny... I'd listen to it. I'll be ok, bro. Make sure you clean the sand out. |
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Posted: 4/3/2016 5:03:38 PM EDT
[#49]
Quote HistoryQuoted:
So, do you think making jokes about someone's death is good sport or appropriate? Quote HistoryQuoted:
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Wonder if he got that sinking feeling at some point Obviously, you are not a diver. You obviously are not funny either. Your butthurt and avatart are very funny. You seem bends out of shape. So, do you think making jokes about someone's death is good sport or appropriate? Go be offended somewhere else. I hope you can make it your safe space before the feels overtake you. |
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Posted: 4/3/2016 5:06:13 PM EDT
[#50]
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