User Panel
|
I saw a guy prang his carbon fiber glider from about 350 agl. Stalled, dropped one wing and went in nose down. Seat separated and he broke both ankles and smashed his lower jaw. The front of the glider looked like a smashed egg with little pieces scattered around. Shattered.
An aluminum airplane would have crumpled like a beer can absorbing energy. A CF pressure hull doesn't seem like a good idea. The applications involved are apples and oranges but it seems iffy. |
|
Quoted: Debris field being evaluated A debris field was discovered within the search area by an ROV near the Titanic. Experts within the unified command are evaluating the information," the Coast Guard wrote on Twitter. View Quote View Quote Pretty sure they found the Titanic debris field in 1985. |
|
|
|
Yo dog, we heard you liked a debris field, so we built a debris field so you can be debris in a debris field in the debris field.
|
|
I'm going to start a new rock group and call it: 'Debris Field'.
We'll play under pressure. |
|
Quoted: Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? View Quote You sound like a 50+ yr old white guy. We can't have any of that. |
|
|
|
|
|
Quoted: Why do we need to start a new thread every time there's any news? View Quote I have a thread for you here fam https://www.ar15.com/forums/General/Thread-to-complain-about-the-pointlessness-of-other-threads/5-2653584/ |
|
|
|
|
Since they found the debris it would be nice to know if the porthole window on the end cap that was rated to only 1300 meters failed or was it the carbon fiber hull. My guess is the hull failed. I dont think carbon fiber is all that great of a material to use to withstand repeated trips to that pressure. I know even if i had that kind of money, i would never be caught going to those depths in a vehicle like that.
|
|
Quoted: 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Quoted: RIP The number of comments here making light of, or downright celebrating this loss of life is disgusting. Those people had the balls to follow their dreams, and push boundaries not many other people do. I wouldn’t call them heroes, but they damn sure had the qualities that we need in men today. Hopefully some will learn from this, and push forward on the project. So, you don't allow for the possibility that people can be flat out stupid taking chances with their own lives? I don't think I would have trusted my fate to a homemade submarine with a waiver that mentions death several times on the first page. The sub was proven. They also had access to all of the controversial information. It was risky for sure, but I wouldn’t call it stupid. Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice |
|
Quoted: You sound like a 50+ yr old white guy. We can't have any of that. View Quote View All Quotes View All Quotes Quoted: Quoted: Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? You sound like a 50+ yr old white guy. We can't have any of that. with an engineering education |
|
Quoted: Quoted: Quoted: Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? You sound like a 50+ yr old white guy. We can't have any of that. with an engineering education |
|
Quoted: What are the odds the memory cards in whatever cameras were recording survived? https://www.youtube.com/watch?v=QLf_yD-lpF0 View Quote |
|
Quoted: that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: RIP The number of comments here making light of, or downright celebrating this loss of life is disgusting. Those people had the balls to follow their dreams, and push boundaries not many other people do. I wouldn’t call them heroes, but they damn sure had the qualities that we need in men today. Hopefully some will learn from this, and push forward on the project. So, you don't allow for the possibility that people can be flat out stupid taking chances with their own lives? I don't think I would have trusted my fate to a homemade submarine with a waiver that mentions death several times on the first page. The sub was proven. They also had access to all of the controversial information. It was risky for sure, but I wouldn’t call it stupid. Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice It was proof enough for those that knowingly went down. |
|
|
Quoted: I know it's not a cake walk. But we've achieved far greater extremes than that. A couple miles of cable isn't really the end of the world. View Quote The drag on the cable would probably keep the sub from reaching the bottom. You would need 5-10 miles of cable to deal with the current drag. |
|
Quoted: Quoted: Quoted: Quoted: Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? You sound like a 50+ yr old white guy. We can't have any of that. with an engineering education I am ok with that. |
|
Quoted: It was proof enough for those that knowingly went down. View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: RIP The number of comments here making light of, or downright celebrating this loss of life is disgusting. Those people had the balls to follow their dreams, and push boundaries not many other people do. I wouldn’t call them heroes, but they damn sure had the qualities that we need in men today. Hopefully some will learn from this, and push forward on the project. So, you don't allow for the possibility that people can be flat out stupid taking chances with their own lives? I don't think I would have trusted my fate to a homemade submarine with a waiver that mentions death several times on the first page. The sub was proven. They also had access to all of the controversial information. It was risky for sure, but I wouldn’t call it stupid. Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice It was proof enough for those that knowingly went down. how did that work out for them? The vessel imploded on the 5th dive? Is that the measure of success? maybe airlines should adopt that level of success with their transport vehicles. |
|
Quoted: I heard the sub had been to the titanic 13 times. View Quote View All Quotes View All Quotes Quoted: Quoted: that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice success! They used it to failure and got their maximum moneys worth out of it. they had 5 subs, now 4. They made 13 dives to the Titanic, I don't know how many this particular sub did. maybe they should keep using the other 4 and find out what the mean time to failure is. |
|
Quoted: I'm OK with what you are describing not being how things work. I think it's awesome that civilized humans move mountains to save someone that might be saveable. No different with the Thailand cave rescue. It's humanity at it's absolute best. View Quote View All Quotes View All Quotes Quoted: Quoted: Fine, if someone wants to "push boundaries", they can do it on their own dime with the full understanding that if anything should go wrong there is no obligation by anyone, any agency, any government to put together a search and rescue mission paid for by taxpayers. Something goes wrong, you have a mishap, get into a jam? TFB... you knew the risks, you're on your own. I'm OK with what you are describing not being how things work. I think it's awesome that civilized humans move mountains to save someone that might be saveable. No different with the Thailand cave rescue. It's humanity at it's absolute best. 100% agree. |
|
This guy got lucky. He could’ve been in that sub for its last ride.
Titanic Sub Tourism Expedition - Exclusive Footage (My Personal Experience) |
|
Quoted: This guy got lucky. He could’ve been in that sub for its last ride. https://www.youtube.com/watch?v=O-8U08yJlb8 View Quote Man that thing looked jury rigged inside. Just a few computer monitors and his game controller. |
|
Quoted: how did that work out for them? The vessel imploded on the 5th dive? Is that the measure of success? maybe airlines should adopt that level of success with their transport vehicles. View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: RIP The number of comments here making light of, or downright celebrating this loss of life is disgusting. Those people had the balls to follow their dreams, and push boundaries not many other people do. I wouldn’t call them heroes, but they damn sure had the qualities that we need in men today. Hopefully some will learn from this, and push forward on the project. So, you don't allow for the possibility that people can be flat out stupid taking chances with their own lives? I don't think I would have trusted my fate to a homemade submarine with a waiver that mentions death several times on the first page. The sub was proven. They also had access to all of the controversial information. It was risky for sure, but I wouldn’t call it stupid. Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice It was proof enough for those that knowingly went down. how did that work out for them? The vessel imploded on the 5th dive? Is that the measure of success? maybe airlines should adopt that level of success with their transport vehicles. They knew the risks, and accepted them. Why does that bother everyone? Most people die in nursing homes covered in shit, these guys didn’t. I’d rather die doing something cool. |
|
as far as safety stuff goes the bare minimum standard is 3X work rating. I am not exactly sure how you calculate orders of magnitude for pressure but the thing should have been rated for a hell of a lot more than it took to grenade it. I didnt know they had 5 subs. why go so cheap and build 5 when you could build 2 that wouldn't kill you?
|
|
Quoted: as far as safety stuff goes the bare minimum standard is 3X work rating. I am not exactly sure how you calculate orders of magnitude for pressure but the thing should have been rated for a hell of a lot more than it took to grenade it. I didnt know they had 5 subs. why go so cheap and build 5 when you could build 2 that wouldn't kill you? View Quote Out of the five only one was built to go down to the Titanic. |
|
Quoted: I am surprised they admitted they have the capability to detect and triangulate something as small as that. View Quote You just need to know the distance between at least 2 listening devices, the timestamp the sound at each was detected, and then some sin and cosin math shit and bam, you've got more or less an exact location. "Time distance of arrival" according to wiki. Input the data into this crazy formula and you can figure out the location of the source of the sound. |
|
|
|
Quoted: They knew the risks, and accepted them. Why does that bother everyone? Most people die in nursing homes covered in shit, these guys didn’t. I’d rather die doing something cool. View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: RIP The number of comments here making light of, or downright celebrating this loss of life is disgusting. Those people had the balls to follow their dreams, and push boundaries not many other people do. I wouldn’t call them heroes, but they damn sure had the qualities that we need in men today. Hopefully some will learn from this, and push forward on the project. So, you don't allow for the possibility that people can be flat out stupid taking chances with their own lives? I don't think I would have trusted my fate to a homemade submarine with a waiver that mentions death several times on the first page. The sub was proven. They also had access to all of the controversial information. It was risky for sure, but I wouldn’t call it stupid. Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice It was proof enough for those that knowingly went down. how did that work out for them? The vessel imploded on the 5th dive? Is that the measure of success? maybe airlines should adopt that level of success with their transport vehicles. They knew the risks, and accepted them. Why does that bother everyone? Most people die in nursing homes covered in shit, these guys didn’t. I’d rather die doing something cool. Because they did no engineering testing on a novel approach with novel materials at 6000 psi. The pressure vessel was glued together FFS. They did no cycles testing, no xraying for changes in the craft after each or any dives. It was reckless and the CEO was not the only person to die or be affected by the criminal negligence. |
|
Quoted: You just need to know the distance between at least 2 listening devices, the timestamp the sound at each was detected, and then some sin and cosin math shit and bam, you've got more or less an exact location. "Time distance of arrival" according to wiki. Input the data into this crazy formula and you can figure out the location of the source of the sound. View Quote View All Quotes View All Quotes Quoted: Quoted: I am surprised they admitted they have the capability to detect and triangulate something as small as that. You just need to know the distance between at least 2 listening devices, the timestamp the sound at each was detected, and then some sin and cosin math shit and bam, you've got more or less an exact location. "Time distance of arrival" according to wiki. Input the data into this crazy formula and you can figure out the location of the source of the sound. yes, but that was a small vessel that produced a probably very short impulse when it imploded. I am surprised they admitted to the sensitivity and ability of the system. And they didn't know it was going to happen ahead of time. There was no need I can think of why they would even comment on it. yet they did. |
|
Im wondering what depth they imploded?
Carbon fiber?? That shit can delam and/or develope stress fractures anywhere. Cant believe they didnt inspect that thing after every dive. They have a new wiki page now https://en.m.wikipedia.org/wiki/2023_Titan_submersible_incident Numerous industry experts had raised concerns about the safety of the vessel. OceanGate executives, including its CEO Stockton Rush (one of the fatalities in the implosion), had not sought certification for Titan, arguing that excessive safety protocols hindered innovation. View Quote |
|
Quoted: I mean it's certainly possible. 1" cable has a minimum break strength of over 100k lbs. That's 5x the weight of the sub, but keep in mind that displacement is attributed to the sub buoyancy (everything weighs less in water). Granted you'd need a big ship certainly. But high risk operations like this...you'd think that would be a thing. I guess at the end of the day it's an easy corner to cut. View Quote The cable not only has to support the sub, but also the weight of the cable when fully deployed. |
|
Quoted: The math doesn't add up on incineration. Maybe mild burning but I'm not even sure skin can burn that fast. I can slip my hand through 2,000 degree flames briefly and barely feel warmth. In the millisecond or so it took for the implosion to happen I don't even think 10,000 degrees is enough to cause burns before the cold water hit. View Quote The air isn't the only thing compressing and heating. The bodies are compressing and heating as well, plus the heat generated by all the protien and fat imitating diesel fuel. |
|
Quoted: How much does 2.5 miles of 1" cable weigh? View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: You'd think they'd just start hooking up a recovery line to these things. Shit gets lost at sea...maybe put a giant line on it with a reel on the ship. Or an emergency flotation system. Something. This seems so incredibly archaic in 2023. You would probably need 5 miles of line and who knows how strong to lift a 20,000 lbs submersible. You can even properly use 100lb fishing line 300-400’ deep because of the pressure of the water and current. With the amount of line out a few miles the pressure would enormous.. … It doesn’t seem possible. Doesn’t really matter though when the thing implodes I mean it's certainly possible. 1" cable has a minimum break strength of over 100k lbs. That's 5x the weight of the sub, but keep in mind that displacement is attributed to the sub buoyancy (everything weighs less in water). Granted you'd need a big ship certainly. But high risk operations like this...you'd think that would be a thing. I guess at the end of the day it's an easy corner to cut. How much does 2.5 miles of 1" cable weigh? 1.68 - 1.75 pounds/foot X 12500 feet = 21,000 - 23,125 pounds. |
|
Quoted: Im wondering what depth they imploded? Carbon fiber?? That shit can delam and/or develope stress fractures anywhere. Cant believe they didnt inspect that thing after every dive. They have a new wiki page now https://en.m.wikipedia.org/wiki/2023_Titan_submersible_incident Unbelieveable. Anything that flies, dives or goes fast has safety protocols/test/inspection for a fucking reason and he just proved it at the expense of others. View Quote I'm guessing the American Bureau of Shipping didn't sign off on that thing. |
|
Quoted: Ideal Gas law (you left out the ideal part) says the air temperature increased if the air was within a closed system, no energy was absorbed by surroundings, there was nothing except air inside the space, etc. But that'snot the reality so Odeal gas law isn'tdirectly applicable. Did the air temperature increase? Most definitely, the math done by another poster (I quoted it below bc I'm too lazy to do the math) says it could reach a bit north of 2,000 degress assuming it was perfectly compressed before the air mixed with the water and it was cooled. Even if we assume that's what happened that doesn't equal incineration. Build a nice big camp fire, get it hot, then very quickly wave your hand through the flames. You won't even singe the hair on your hand (assuming you're a man and have some hair on your hands). The math says the implosion of a sub at that depth takes approximately a millisecond. Your hand is in the flames as you wave it through the fire for a minimum of 25 milliseconds (actual time depends on how quickly you wave it through). Nobody was incinerated, they were crushed. Depending on how the hull failed they may have been crushed flat by debris, possibly "shredded" by debris or turbulent water and the other bodies being slammed together, or they could have been somewhat equally compressed simply by application of equal pressure all around. Reality is that it was probably a mix of all those with quite a bit of the blender effect with a good dose of being crushed between pieces of debris. View Quote It would take a millisecond for a 20 meter wide sub at 1,250 feet. This sub was less than 2 meters wide, and at 10 times the depth. Implosion took very much less than a milisecond, probably hundreths of a milisecond. |
|
|
Quoted: at 375 atmospheres and temps north of 2000C? Maybe. View Quote View All Quotes View All Quotes Quoted: Quoted: I fully believe the rise in temperature. But my question is, does that temperature last long enough for complete incineration? at 375 atmospheres and temps north of 2000C? Maybe. Saw one video on Youtube that claimed 10,000*. |
|
Quoted: how did that work out for them? The vessel imploded on the 5th dive? Is that the measure of success? maybe airlines should adopt that level of success with their transport vehicles. View Quote View All Quotes View All Quotes Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: Quoted: RIP The number of comments here making light of, or downright celebrating this loss of life is disgusting. Those people had the balls to follow their dreams, and push boundaries not many other people do. I wouldn’t call them heroes, but they damn sure had the qualities that we need in men today. Hopefully some will learn from this, and push forward on the project. So, you don't allow for the possibility that people can be flat out stupid taking chances with their own lives? I don't think I would have trusted my fate to a homemade submarine with a waiver that mentions death several times on the first page. The sub was proven. They also had access to all of the controversial information. It was risky for sure, but I wouldn’t call it stupid. Proven? You mean exact replicas were cycle tested to 6000 psi repeatedly and subjected to non-destructive inspection ( xrayed ) looking for premature fractures, failure points and deformations after each 10 hour drive to 12,500 , inspected for corrosion and wear points and then repeatedly cycled in and out of the pressure environment to determine cycles till failure? That type of proven or that they just used it a few times before and hoped for the best. Do they even have an inspection protocol after each dive? 4 trips without an issue. Proof that the construction was solid. Longevity is another issue. Obviously. that doesnt prove anything except incompetance the construction was obviously not solid it was flawed by material choice It was proof enough for those that knowingly went down. how did that work out for them? The vessel imploded on the 5th dive? Is that the measure of success? maybe airlines should adopt that level of success with their transport vehicles. Can you imagine if cars were deemed perfectly well engineered as long as they could do your work commute at least four times before violently and catastrophically failing? But I guess we all know the risks of driving. |
|
Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. One new winner* is announced every week!
You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers.
AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types.
From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm.
Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more.
Copyright © 1996-2024 AR15.COM LLC. All Rights Reserved.
Any use of this content without express written consent is prohibited.
AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own.