Implosion Titan Oceangate How it Happened | Submersible Submarine Parts
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- เผยแพร่เมื่อ 29 มิ.ย. 2023
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What is Implosion?
Implosion is a process of destruction by collapsing inwards the object itself.
Where explosion expands, implosion contracts.
In the case of the Titan Submergible. the Implosion was caused due to very high hydrostatic pressure of the surrounding water, which happen within a fraction of a millisecond, as shown in the animation.
At the depth the Titanic rests, there is around 5600 pounds per square inch of pressure.
That's almost 400 times the pressure we experience on the surface.
As the submersible is deep in the ocean, it experiences the force on its surface due to the water pressure.
When this force becomes larger than the force hull can withstand, the vessel implodes violently.
But why did this Implosion happen to the Titan Submersible.
(Existing technology is based on) Current hull materials used are steel, titanium, and aluminium. These are what kept other submarines from being Crushed.
But the Titan has had an experimental design. It used mostly carbon fibres, which have the advantage of being lighter than titanium or steel.
The properties of carbon fibres for deep sea applications are, however, not that well understood. It can crack and break suddenly.
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3:03 you call it a Submarine
Ouch
The Titan was destroyed. It would probably be more appropriate to use the past tense when discussing it.
Atrocious grammar Holy smokes
I am a Naval Architect with submersible design training. You show the implosion as in crushing a can. It was way more violent. The atmosphere in the vessel was suddenly compressed by the pressure. It greatly heated. Think diesel engine times 20+. At high pressures and temperatures, air (O2 and N2) become reactive, and "burn" (combine into NOx, explode). Pressures get even higher, and a gas bubble forms. The pressure and temperature of the water cools and collapses the bubble. So the collapse is three events: sudden high pressure, an explosion, and collapsing of the gas bubble. Extreme mechanical violence lasting fractions of milliseconds.
Thanks Ken Smith for your technical feedback 👍
.we love learning from Real Engineers.
Absolutely. Thank You! ❤️
You know, this is so tragic…but OceanGate if still a viable company, should be sued by the families. Just on principle alone. So so sad.😢
Ken Smith, above, knew what would happen…and stated it succinctly and with few words. They had to know.
That's the weird thing about these kind of compression/decompression incidents. They're horrifyingly violent, so rapid and forceful that they seem to break the laws of physics. And yet, they're so infinitesimally fast, that there's no chance the victims even had time to register what was happening. They were dead before the signal from their eyes and ears could reach their brain.
Stockton Rush was a gambler who took unnecessary risks. Everyone in the deep submersible community with collective decades of experience designing and operating these craft told him it was unsafe. He metaphorically flipped them all the middle finger and went ahead with the project. The level of hubris, arrogance, recklessness on display was breathtaking. Here is a basic physics observation that explains why this tub was a disaster. It is well understood that a sphere is the most efficient shape to distribute large amounts of pressure equally across it's surface. As an engineer I was trained in college that equations and mathematical models are not perfect. There are lots of unknowns that we just don't understand in complex equations so we just invent a fudge factor into the equations. This "fudge factor" is where we lump all our ignorance about the system under study. Tell me do you want to risk your life riding a submersible designed using this approach?
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Perfectly penned
and I enjoy reading the use of adult words being used as such.
“The level of hubris, arrogance, recklessness on display was breath taking. “
Yes it’s mind boggling to understand the reckless disregard for human life and to think he could design a sub without the advice of those that have been testing and building them for decades “TESTING” what a novel idea!
Who would have think that one with money would cheat the whole system and not hire the best people WITH EXPERIENCE!
Well… sadly it took the lives of people that didn’t deserve to die, no one does.
But usually the idiots sort themselves out eventually.
💯
Fudge Factor perfectly described the plot of Jurassic Park, too. They didn't have the entire DNA code to replicate dinosaurs, so, they used amphibian. Same result. Bad news.
He was a sociopath and luckily he only killed 4 other people instead of hundreds or thousands
Imagine being that kid who knew exactly what was going to happen... Being in that tiny space for 8 hrs then dying.
His epiphany was real and he knew and no one listened!
Epiphany? Check a dictionary.
If this kid was a 19-year-old prostitute girlie you'd call her a woman/adult :)
It imploded within few minutes after diving.
@@aww8383kr, these people love their make believe stories. I would never understand how people thought that the submarine was lost and running out of air instead of the obvious.
@@Lemorande Maybe English not the first language!
I’ve been dying to see an animation of this, happy someone finally did it!
lol 🤌 choice of words
@@KetsaKunta 🤓
I think you should have gone into more detail on the carbon fiber hull. Most people already know how the submersible works. However many comments don’t understand why carbon fiber is inferior to titanium in deep sea diving. You could explain how composites work and how the CEO knew it had a limited lifespan. That way everybody understands why this disaster happened.
Ok that was really Goog feedback-Thanks for educating us
It is ok though. These videos are supposed to be quick rundowns. Last video there was no mention at all but now they acknowledged it as being the main part of the thing.
And again, these videos are just quick summaries. There are other channels with in-depth analysis.
@@Aitelly why's this answer so AI-ish
The carbon fiber just seems like a bad idea
@@sefii05suspect it probably is. But this is youtube...it's all for clicks.
Even if I was the richest person in the world, seeing the Titanic wouldn't be something on my bucket list.
interesting that you honestly and clearly think anyone would be interested in you and your hypothetical scenario. You are not a thousadnaire let alone "the richest person in the world" nor will you ever be. You are not someone who anyone cares even a little about so why should anyone spend time pondering something about you? Crazy
The worst part is they they would not even see the titanic with their own eyes because it is too dark, they would watch on a HD screen... don't they know youtube?
You mean you wouldn't want to spend 6 figures to see a rusty boat??
@@joantonio6331 💯
@@kevinbarnes8762 They just wanted to to do it because they can and have the money too. To bad it cost them their lives..
Proof that you don't need to have wisdom to be a millionaire
Didn't realize I live in a world where everyone is a submarine expert.🙆♂️
Armchair submariner matey. 💺Now admit it. Yer fond o' me lobster 🦞.
I just got my PhD in Submarineology reading these comments.
Got to love the TH-cam comment sections. It is a source of entertainment to me.
Stockton Rush was clearly insane. This thing was glued together, there are videos showing its construction. No one in the right mind would do that and expect it to stay together at 13,000 ft below sea level. The four passengers gambled their lives and lost. RIP
Three gambled their lives. The kid was forced to go by his father. He could have declined but felt he could not say no.
To be fair, it withstood previous trips, they even had previous models in use before this current one
Tbf, composites are strong because of the matrix "glue" structure. Perforations like bolts weaken the overall strength and pressure resistance.
I think the connection was the failure as well.
It wasn't fit to go in a pond, never mind the ocean. Rush was an utter prat.
From Human to Ketchup in a milisecond. RIP dudes.
At least it was quick.just seeing the silver lining that's all
They released the weights when they were down there to push themselves up. Which implies that they knew something was off
@@manis8569 oh wow then I’m sure was very scary for them
I’m pretty sure the brain takes 125 milliseconds to process pain
And the eye 120 to see something
:edit it’s 13 for the eyes
How frightening and creepy. They must have heard it loudly buckling and crackling first
Another factor could be they were desending too fast. They made 3 successful dives before hand and decided on this last voyage to descend at a much faster Rate then what they has originally planned. I got this from the transcripts that were leaked. So the hull probably couldn't stabilize in time and boom.
It's very similar to actual submarines when they dive down or up quickly for evasive maneuvers you can hear the hull creak and groan since it puts much more stress on it
Yes agreed Thanks for the insightful comments
That transcript leak is a hoax, you're aware of that by now, right?
It was an accident, waiting to happen. He was warned, about the insidious ( gradual) degradation that occurs in composites, made of fibers. It was WRONG the way to build his vessel, period!! Enough, with all the rationalization already. When was the LAST time a PROPERLY built submersible, imploded? And experts have gone to WAY greater depths!
those transcripts are fake
@@pear-zq1uj Ok now whom to believe?
If Stockton Rush hadn't been on that sub and was still alive, he probably would have been brought up on criminal charges for his negligence.
His next of kin should be charged then, for letting him go through with a quadruple homicide.
@@N_manMETA11 that is not reasonable. If my uncle is a douche bag I should not be charged with anything he did if I am his closest living relative. This is just a shitty situation that these folk CHOSE to put themselves into based on trusting some dude who is NOT an engineer.
@@N_manMETA11 this is such a ridiculous thing to say
The Titanic director explained that carbon fiber composite - the make of the Titan - is used very very successfully for internal pressure, for vessels like say, a scuba tank. But for something that sees external pressure, all of the advantages of carbon composites go away and all the disadvantages come into play, he said. “It was the wrong material for submersible hulls. You can have a number of successful dives and fail later. It is quite insidious,” Cameron said in the interview.
That's why it's great for aircraft and terrible for subs
Yes from what I understand every dive down made the hull weaker and weaker. And eventually it was gonna implode.
Also the carbon fiber used in the hull was bought on the cheap from Boeing because it had passed its expiration date.
It is insidious, because it weakens GRADUALLY, the fibers AND the glue. Just by exposing it to water. Imagine doing THAT at EXTREME pressures.
Kind of like pushing a rope. Seems stupid to me.
Several people told Stockton Rush that carbon fiber might not be the best material to use to construct a submersible but he knew it all apparently. Instead or wrapping several layes of carbon fibers at angles, the whole center section was one in one direction. Again, I guess he knew better than anyone else. When it imploded, which was inevitable, it basically self destructed and the people inside vaporized in a couple of milliseconds. I guess he really didn't know shit after all.
Really!
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Rich doesn't exactly mean smart. Unfortunately there are a ton of dumb people with literally stupid amounts of money. *Added to 1,000 ways to die*
I'm no engineer and even I could see how it would fail.
Exactly! And it was more than a few. The oceanography submersible committee gathered 31 signatures stressing the dangers to life and risking tanting any future exploratory missions. (Which both have happened now) having a big head, putting money over people has huge ramifications. Obviously. It's extremely sad, I feel for all of their friends and families involved.
Lmfao what? Even I know that things like Carbon fiber CO2 tanks are woven at angles. Why would carbon fiber even be desirable in a submarine? Lightweight? It's a sub.
I was a submariner in the U.S. Navy. My buddy brought this situation to my attention the Tuesday night after it went missing. As soon as I started looking into it, I knew immediately they were dead.
I'm reminded of the tailor who thought he could parachute off the Eifel Tower by wearing a big flappy coat. Love it.
Reports state the implosion happened within a fraction of a second. That's not to say the crew didn't hear the terrifying sound of the carbon fibre hull cracking prior to it (as was reportedly heard by other crews on other missions).
One ballast was missing from the sub when found so they knew something was wrong and were attempting to re-surface.
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@@WezleyB transcript is fake
@@WezleyB where did you hear the transcript?
@@WezleyB yes that's right, someone used Cameron's statement as a basis for writing a fictional transcript. it's just someone's imagination of what might have happened.
@@WezleyB they lost comms before any distress signal was raised afaik, I highly doubt the veracity of any transcript. Also the ballast could have been separated from the hull during the implosion
I did study mechanical aeronautics engineering. It is too early to point to the first component that failed, but for the sake of the discussion, I'm looking at a few different possibilities
1. The carbon/epoxy material is usually used to stand 'traction' forces - the carbon fibers are very resistant when pulling on them, which is how they work in aviation where the cabin pressure is higher than the exterior pression. On a submersible, the pressure relation is exactly the opposite : the exterior water pressure is much higher than the interior air pressure, so the carbon fibers are put in compression rather than tension. It's actually the epoxy resin that must stand the compression - and resin is not a great material for this purpose. Some compression was also supported by the titanium rings. There is another issue: the diving results in cycles on compression. This causes what is called material fatigue which in the long term will create microscopic cracks which will continue to increase in number and size. This may not be visible to the naked eye - in aeronautics there are various instruments that 'scan' the material for these cracks at a specified maintenance interval. I wonder if the submersible had such inspection program.
2. The acrylic 'dome' viewport appears to have been certified for only 1300 m depth (three times less than the actual diving depth of around 4000 m). Now, such component will always be designed to handle more pressure, by a certain factor of safety. Given the deep sea conditions (currents, etc) I imagine this factor was rather high - maybe a 2 or 3 or even 4. Which brings the actual resistance to close of 4000 m. However, once near the limit of resistance, it's a grey zone - it may resist for a while but this may depend on the number of cycles (dives) and may be very prone to failure at the slightest impact. On the debris recovered, this dome is absent from the supporting titanium ring which shows that if it's not the dome that collapsed first, then it didn't stand the shock of implosion, so the dome was already very close to the limit of physical resistance.
3. I did watch one of the videos filmed inside the submersible by a tourist. I was surprised to realize that the passengers and their belongings are not secured during a dive - which dive can happen at quite a steep angle. A moving object - such as a camera or some other heavier equipment, could easily slide and hit the viewport dome, causing a microcrack that can reduce the strength of the dome even more. There is also a diver working outside the sub during the surface preparation, this diver can also impact the viewport dome with his air tank.
4. The access hatch was secured with about 20 bolts tightened by hand. Tightening and releasing can cause fatigue cracks on these bolts. What is more, hopefully they used a torque wrench that was properly calibrated and verified before every use. In some videos, it appears a person is tightening these bolts quite in a rush.. this is a scenario that leaves place to mistakes.
Finally, there appears to have been another serious risk : a fire inside the sub would have easily been catastrophic from a survival point of view. I'm not sure if there was a fire extinguisher but there doesn't appear to be oxygen masks for smoke. There were many electronic devices with li-ion batteries, which can be prone to sudden fire. Plus, even if the submersible would re-surface in emergency, the passengers could not exit the hatch which was bolted on from outside.
They did not scan the hull of the submarine, the CEO insisted that existing methods for detecting imperfections in carbon fiber aren't capable of doing so on a hull as thick as the titans. It was this same line of thinking that encouraged the CEO into the belief that the hull would produce detectable faults through their improvised RTM alert system using acoustic emission sensors along the hull body long before the hull would have been compromised to the point of failure.
Also did you mean to say that carbon fiber is usually used to stand tensile forces?
If so, I would agree that carbon fiber composites are extremely resistant to tensile forces, however, there is a distinct difference between an internal pressure pushing out uniformly, versus an external pressure compressing (pushing in) on these fibers uniformly.
Carbon fibers and carbon fiber composites (Depending on their variance, like turbostratic or graphitic, weave pattern, binding agents etc) all have anywhere from 30-50% less compressive force strength than their tensile strength.
Combine this with the repeated reflexive forces exerted on the hull and consider some of the major causes for failure in carbon fiber composite structures, and it's pretty easy to see how definitively doomed this structure was after more than the first few dives, even if it was seemingly free of flaws during post manufacture inspection.
(Some major causes of failure are *fiber kinking*, *delamination*, *matrix cracking*, and fiber/*matrix splitting*)
Also, you reference the absence of the acrylic port as potential evidence of it being the major failure point, but I would also point out the seemingly perfect absence of the retaining plate and its bolts. I believe it was removed to allow for easier onloading/offloading from the ship, and was likely not the initial point of failure. If this was an explosive force I might consider that it had blown off/out and ripped the ring free, but because this is an implosion we are talking about, you would likely see atleast the titanium retaining ring or bolts still in place and/or possibly deformed.
I do agree that the torque of the bolts is a potential problem area, but when compared to the blatant risks associated with the hull, that this was far less likely.
If the failure occurred at either the forward or aft titanium bulkheads, I would presume it to more likely have occurred along the joints between the titanium and the carbon fiber (where it was *glued together*) again, likely due to reflexive/compressive tensions placed on the two materials at different rates during descent (due to their composition/conductivity/density).
Like taking a wax string and wrapping it around a glass bottle, burning it, and then dipping the end in ice water, it will fracture and separate along this heated area due to the rapid change in expansion/contraction between the portion of the bottle that wasn't heated (unchanged) the heated point (the joint, expanded zone) and the dipped point (contracted/compressed zone).
The same thing is effectively happening except from sheer weight/pressure instead of thermal expansion, and in this case the joint would be the agent used to join the titanium rings (that the bulkheads could bolt onto) to the carbon fiber hull body.
That bonding agent would be experiencing frequent changes in both tractive force (the weight of the bulkheads pulling the titanium rings away from the hull, or pushing toward the hull at depth), tensile force (the expansion of the ring around/away from the hull body during ascent/descent), compressive force (pushing into or compressing onto the hull body during ascent/descent).
That's why I personally believe the fault originated most likely toward the forward or aft joints with the breakdown of this bonding agent being the catalyst or cause for the rapid failure of the hull body itself.
the truth is in plain view if you look at the pieces recovered.I dont believe the Main pressure vessel was the initial failure point. Hate to ruin the party for yall though..
@blackhd92 if the "truth is in plain view" from the obscured observation of the remnants recovered from the ocean floor then why don't you educate us then instead of acting like a pompous internet warrior?
If the main pressure vessel (literally the thing keeping the external pressure from crushing them during the dive) didn't fail, then why was it a debris field and not a drifting tube with 5 dead people inside of it upon discovery?
Your comment doesn't make sense.
If by MPV you actually meant the carbon fiber hull, I would say it is exceptionally unlikely that the proven material components (the titanium endcaps) were the failure points, because they are vastly more capable of enduring the pressure differential and aren't visibly crushed or malformed in any of the pictures I've seen yet.
If you mean the acrylic port (which is a component of the main pressure vessel by the way), then sure, an argument could be made for that... but i would ask why they would deliberately remove the titanium locking ring that kept it secured to the end cap, if the goal was the preservation of materials for the purposes of investigating points of failure.
If however, they recovered the forward end cap and found the port was completely intact, it stands to reason that they might carefully remove it to allow for ease of transport, because that endcap weighs quite a bit to say the least.
If it was a battery failure, it wouldn't have caused a failure of the MPV, if it was a failure of the scrubber unit or loss of oxygen, it wouldn't have caused a failure of the MPV (unless a subsequent explosion or fire occurred and weakened the carbon fiber thus causing a failure of the MPV)
There is no scenario short of a full blown conspiracy wherein you can tell me that based purely on the photos of debris being offloaded that you somehow immediately know more than experts in the industry, as well as engineers and material/physical scientists, who have all had similar speculation on the cause of this catastrophic failure.
Please spare me the excuse of how the aeronautics industry has bonded carbon fiber to titanium as a justification for how you just happen to "know" that it couldn't have been the cause of failure on this submersible.
Keep in mind, those bonds are occurring at high altitudes, with negative external pressures and positive internal pressures, something that carbon fiber is distinctly adapted to, and the pressures/forces it has to withstand are absolutely insignificant compared to the positive external pressure being exerted on a submersible operating at even a portion of the depth this submersible was operating in. Not to mention the fact that carbon fiber has a compressive strength rating (on average) of less than half of its strength rating for tensile force (lower external / high internal pressures).
Your responses to many of the comments on this video make you sound like a pompous pseudointellectual or a crackpot.
@@JayZone73 my question is why didn’t they scan, but used audio to test laminate?
@@JayZone73 Could have been that the hull failed and the pressure of the air attempting to escape blew out the porthole
I found this video to be very informative about how the titan was built and the animation was very good. I was curious about its design and you explained that well. This is a lesson and reminder that there's a good reason to listen to the advice and warnings of other experts in the same field. No one man knows best and we need other people to review important things like this. Stockton strikes me as a man who truly believed in his design and felt confident enough to be personally aboard it. I personally don't like the idea of using a modified game controller because game controllers aren't the sturdiest. They tend to wear down, become unresponsive to a button press, and joysticks can have the tendency to drift (like joycons). Its not a big deal on land when im playing a game but deep in the ocean where it would be hard to get help quickly it may not be as dependable. You shouldn't gamble when it comes to human lives. 😔
From which country u r dear 💞
Yeah except the video depicts the carbon fiber hull crumpled like a Coke can on the ocean floor when in reality it was pulverized and is now a fine powder if anything. These people aren't scientists and it shows. This video is entertainment and nothing else.
Well Said
The best video of the incident that I have seen thus far. Good job.
Thanks Richard
After watching Cameron’s submersible, it’s clear how dangerous this one was.
They did rigorous testing on his one, they had failsafes on top of failsafes. Meanwhile this dude's whole attitude towards safety was* ''Don't harsh my mellow brah, innovating is a judgement free zone''
@@KneeCapHill Hull, UK
@@KneeCapHill this submersible worked, just wasn't meant to last
Yes, the design was unsafe for this type of endeavor.
And Cameron had more troubles the more he stayed there
I swear these implosion videos are guaranteed to get 1 million hits for sure.
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This was crazy.
I have a fear or heights and flying but never knew I had a fear of under water until this happened. Never thought about going down there and definitely wouldn't have gone in that thing. Maybe I would try when im 90 years old because I don't have much life anyways but that thing looked creepy.
Rip to the victims.
Even if you have money, save your money yall. Not worth it.
All these videos coming out of this tragic events. 99% of these will be for the views and $$. This one is greatly educational and gives us all who as humans hoped they never suffered. Great video thanks.
What this video fails to mention is the razor thin engineering margin of the Titan. Its crush depth is 4,000m and the Titanic wreck is 3,800m (95% of the Titan crush depth) That is a just a 5% margin. Ideally, you want to build something well clear of the margin
Yes 20% margin per engineers
It's actually 11000m but never been tested
This is really sad. Then it turns out the Rush guy lied and died while at it. It is a lesson to all creators and inventors to be especially more patient and scientific with their inventions and to listen more keenly to peer reviews and observe the scientific journeys of those who've gone before. As it turns out, cost for making a quality hull and livable diving space would have been easily met, what with the high charges they levied on participants. At $250,0000 per person, they ought to have had a more serious submarine capable of even 11km deep dive, made of super solid hardest materials found on earth.
In the heavy civil engineering/construction field, our margins are typically 20% min. and if I remember correctly, 50% margin is typical for work involving the railroad. 5% is insane, especially when considering the experimental design.
@@jmcinnis540
i could be wrong, but i think the 20% is also based on top of some already very conservative assumptions. don't think it's even literally just 20% more than the theoretical maximum load...
If you watch the video with Cameron going to the bottom of the Marianas Trench, he said that the sub actually compresses 3 inches.
Carbon fibre doesn’t compress, It Has to stay rigid Therefore subjected to stress and fatigue
Thanks for the great Infos.
Yes - and also since the end cap with window was Titanium the point where it connects to the hull would be contracting and expanding at different rates since they behave differently under pressure. The titanium is shrinking and the hull can’t.
@shaunnal2560 the water temperature is close to freezing so I wonder if this expands the carbon fibreglass. Google says it has a negative thermal expansion coefficient.
@@ThirstyKarenI have 0 confidence in the glue bond to the titanium flange for endcap
Who the fluck uses glue in anyway shape or form on a vehicle going to these debts? Oh apart from ocean gate 😢😢.
"The CEO of OceanGate was supposed to explain that the training would be useless, because in the event of a failure "they will be dead anyway." And I suppose he explained it like this: "There is always a threat, but even when you get on a plane or a car, there is a danger to life." I don't believe he made it clear and blunt to them, because it would have discouraged them, unless he didn't realize it himself.
One thing that nobody states is that not even a navy sub goes that deep during dive or even in enemy territory. To put in perspective how wild this entire trip even happend
So what? Navy subs are not designed to dive to these depths. Intentionally. If the navy wanted to dive regularly to depths of the Titanic, they would design a sub capable of doing so
@@jeffreyv8306 which proves my point even more.
@@LegallyArMD hardly. If someone tries to cross the ocean in a kayak, you don't say crossing the ocean is a "wild" trip.
I have to say it’s pretty amazing that you can put these 3D animations together this quickly
Because they're not based on any real data. It's just a 3D model rotating in space with a little bit of deformation here and there.
It's all AI generated
It could be yes. I was thinking the same thing
@@martin-krzywinski he talking about the 3d graphics/ rendering done on a pc in little time
@@tetrazole567 err yes it shatter. but it will bend and creek before that. the creaking is the breaking down of fibres and laminate
The pressure hull of the submersible is the carbon tube and the two titanium end caps only. All the white coverings are just external plates to make it more hydrodynamic, which plays no role at the speeds it travels, so again basically just to make it pretty and more attractive to unknowing potential customers. The scrubber system was likely contained inside the rear end cap inside the pressurized hull. As others have mentioned, a proper engineer would have built this vessel with at least a 1.5 or 1.6 safety factor which would have made its max depth around 18,000' or 6,000m and its crush depth even deeper. You also neglect to mention that the window dome used, which was manufactured by a third party, was only certified to withstand the pressure at 1,300m. The fact that it had withstood the pressure at 3,800m multiple times is a testament to real engineering where safety factors are incorporated into the specifications. There was so much wrong with Oceangate that lawsuits for blatant negligence are bound to be filed.
also, the white coverings (known as fairings), function as protection of the inner hull and equipment against bumps and scrapes, when diving or not secured on the sled. I question the statement in this video that they were pumping "50%" O2 into the cabin, as well.
You have no clue what you’re talking about! Pull my finger! Toot! Toot! Squirt!
@gailmcn They should have pumped 100% O2 into the cabin since the scrubbers would be removing the CO2. The cabin was basically a big CCW rebreather and with no pressure change inside, only O2 would need to be added. For breathing purposes, they could have kept a 50% O2 gas, this would have made it easier to keep the gas within the parameters of what our body functions with albeit making for a much larger fire hasard but then again safety was not a grave concern.
it was only certed to that rating but it likely could have tested higher if people had paid for that testing - I think people are misinterpreting wording around the use of that window or I could be wrong
otherwise great breakdown and helpful comment thank you it was confusing to imagine the scrubber outside of the hull in the rear but it had me thinking that explained the crackling sounds from aft but probably it wasnt like that
again on wording I think the filing of suits is pretty inevitable in this case but because of *gross negligence yes I believe some of the suits are actually likely to stick
@@gailmcn thank you that actually makes a lot more sense - usually when people get in their emotions and start trying to sound smart in this case I find they more often make themselves appear ignorant
This video is very informative, the description of all the components and how things work are top notch, keep up the good work and God bless the families and friends of the ones lost on the sub. Truly heartbreaking 💔
I'll just sit on my fat ass at home and watch a documentary about Titanic, made by professionals
I worked in some of the original HMG (High Modulus Graphite) research--Pratt & Whitney. HMG is significantly stronger than CF. Our prepreg test panels were angled at 30 deg. layers, like plywood, then placed in steel molds and cured with variable pressure and temperature in a thermal press. Cooldown was also a stepped decreasing pressure/temp. process.
The winding and curing process used on the Titan was abysmal and destined to fail. With the changes in pressures and temperatures being repeated, the epoxy/fabric system was doomed to fracturing of the epoxy.
As soon as I heard of the rapid loss of communication, and then no surfacing of the Titan, I turned to my wife and stated, "it imploded." Never would I have gone on that submersible, once I knew how it was built, and added to the poor materials design, had no internal escape.
You DO NOT build submersibles, with composites, PERIOD!!!!!
If the supposed leaked audio is true, they were descending unexpectedly fast. They might have already had a leak from the very beginning.
So incredible yet devistating...being so wealthy I'd assume they'd know this information. Are we truly loosing common sense even with every answer available at our fingertips
@@kelsieann4617There are plenty of dumb wealthy people in the world. Wealth doesn’t correlate with intelligence
A soon as I heard “submarine made of carbon fiber” I knew they were all dead and it imploded, not an engineer or a scientist, just someone not stupid enough to think carbon fiber would make a good sub lmao
Great representation, only critique is that the tail cone did not implode because it was not pressurized. Only the carbon fiber hull.
Agreed
@@tetrazole567 nope, it doesn't shatter and does have a flex properties.
@@Demop_VW_garage has limited flex capabilities and yes it shatters.....work with it daily.
@@tetrazole567 the outside layer is not made of carbon fibre. Thts why when they fished the sub remains out, u can see most of it still whole. The video did represent the carbon fibre hull, which only surrounded the pressurised cabin, shattering into pieces which is wht I think would happened, and we dont see any of the carbon fibre hull nor the cabin being part of the remains tht was recovered. But then again im just basing this off of what ive seen and read thus far and Im not gonna pretend like im an expert here.
@@saltysalt7339 u are right that it flexes to a point but not at those depths. At those depths carbon fiber just shatters.
Hardly smart enough to understand what I'm watching, but got so much of a better understanding of what happened. Thanks!
Can't wait for this to be a history lesson in the near future.
It already is.
I don't know who you are, but this work you have done within this short period is great. Considering the fact that you are only 2 guys working on this channel, it's just crazy.
Thanks 🙏👍 we love y guys
They put more work into this video than oceangate put into the submarine
@@Aitelly also the fact that most people show the implosion animation as a can being crushed, while this may be true for a contiguous material like titanium or steel. Carbon Fiber will shatter and break into pieces while imploding unlike a soda can being crushed
As I believed it was still on the process of research. AND the public ( who can afford it) was encouraged to be part of experiment . Mr Rush ,as I remember went to many places like Las Vegas and done the promotion speech in many lectures . Well non profit organisation. To fulfil the whoever dreams to see poor titanic they needed money for one who can pay ..
@@cziferr zar misliš da je g.Stocton bio šarlatan? Pa i on je bio probni pilot i student Princetona.
5:14 Man was playing Subnautica irl
this was so well put together and explained! the graphics are amazing! thank you! 🙌🏻
Other than getting the information completely wrong, yeah, it's real pretty to look at.
May the people that lost their lives rest in peace. 🕊🙏💐 Hopefully mankind will learn from this tragedy.
I knew it the sub didn't even reach the wreckage. The amount of time and effort spent in making this video is amazing. I appreciate your work. Thank you for explaining this well.
Thanks
It's already reached Titanic wreckage. Checkout the expedition from before. However something must have gone very wrong in this expedition
@@TubagusMuhammad you are a genius to figure that out.
It went to The Titanic 10 times before the implosion
I think what he is trying to imply is the sub imploded before reaching the depth of the wreckage. It will took 3 or more hours before it'll reach the wreckage but already lost it's communication around pass 1 hour only while descending. Unless they are descending more faster than previous which have cause additional stress and fatigue to the structure given that it has already dived multiple times and already have degradation to the whole structure.
There were other issues with the hull: It was made of titanium endcanps and carbonfibre which were glued together. Since these 2 materials behave differently under pressure even that might've caused a crack and with that implosion. Also the interior wasn't fire proof, that means that a small electrical fire could've damaged the hull. And the window which was only certified for a depth of 1300m, but they dived 4000. It was most likely the hull, but it could've been 'anything' as this thing was super unsafe. That is a really good animation though, thanks for sharing.
Why SAVE The Titanic Now?
@@user-wt7do4lz9x NO CELEBRATE 4 JULY
Yes, I saw exactly this in my own testings. I've constructed and tested fiber composite pressure vessels to destruction. Fiber composites excel in tension, not compression; the design concept for this is fundamentally flawed.
@@MarkShinnick What was Albert Einstein About GRAVITY and MASS. Take 🍎 Fall From Tree Or WATERMELON
You are right. The problem was not only the carbon fiber but how it was jointed to the titanium. I wonder how that union was made considering they are two very diferent materials and there was the failure point.
I am also curious if the “grain” of the carbon fiber tube matters. Supposedly pressure tanks like fire extinguishers are made of carbon fiber, but when the fiber is woven it is weaved with alternating diagonal fibers. I saw a video where the Titan sub seemed to be weaved in only one direction.
Yeah, it's cheaper that way
Fabulous video that explains everything and makes it very understandable.
3:02 That is honestly so cute you guys backed up the camera to animate the tiny opening of the submersible door.
😂
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Am not physician/physicist but your videos attract me closer to the field
Always Welcome
During an implosion your body changes from chemistry to physics in a fraction of a second.
I wonder if they will use your video in court? It's that good! ❤
haha - i wish
I think this new version still didn't go into the details of how implosion happened. Most of the vid explains the launching procedure. I saw the early version of this vid. What I was hoping to see was the process of how the pressure gradually building up as the sub descends and eventually imploded. I want to see what are the potential failure areas such as these:
1. The under-rated acrylic view port which only certified to 1200 meter. The dive requires 4000 meter certification.
2. The shallow bonding area between the titanium ring and the 5" thick carbon fiber tube. The bonding weakens after repeated dives due to the different rate of contract and expansion between a composite material and titanium.
3. The bad material choice of carbon fiber which is not suited for withstand compression stress.
4. The flawed design of choosing a cylinder over a sphere which distributes pressure far better.
And lastly, a slow motion animation when any of the above failure points actually happened: the acrylic window cracked...the 5" carbon wall caved in... compresses the air inside of the chamber... the temperature rises immediately... the sub collapses inward... then the compressed air needs to escape....so it explodes after implosion...It sounds very graphical...for educational purposes... we could use rubber ducklings as passengers as they disintegrates into million pieces...
There could be more failure points as the investigation starts. But a video titled "Implosion how it happened" needs to explain all of these possible failure points to provide better clarity. The most recent images of recovered debris clarified a lot of earlier assumptions. All titanium parts and external components survived nearly intact. What's missing are the main carbon pressure chamber and the acrylic view port.
The bond between the caps and fiber really didn't matter that much those bonds were in compression that would NOT have been the point of failure. Coulda used Elmers glue there. Failure was the implosion of the carbon fiber which splintered the layers away from those joints. The fiber litterly was SHREDDED by the implosion and the caps simply fell away from it. however the air EXPLODING probably blew the view port out and to hell and gone it was probably NOT recovered. Wouldn't be much left of the fiber either. I notice that they didn't show that part well WHY NOT? yeah these people hide shit like they do with UFO/USO investigations. Useless.
Of course, we all want to see that... but that's tough to animate and channels like these are just about getting views and not about actually about educating anyone beyond what's readily known.
@@leecowell8165 I saw a photo of a white basket filled with shattered shards of carbon fiber composite next to the titanium ring. I saw it only once and cannot find that photo again.
wtf is a vid?
@@K1OIK A video
The Polar Prince didn’t anchor in 4000m of water. It stayed in position with a dynamic positioning system.
Yeah, I was thinking, damn, thats some hellish chain storage they must have.
@@M4A3😂😂😂
Yep, and dropping an anchor above a site as the Titanic is a big NO-NO !
Thank you. I was even trying to figure out how that woulda worked.🤔🤔🤔
He's "anchored" by a DPS....same thing.
I got to be honest, I am a lover of history and all things that have to do with it and this thing sounds like it would be awesome to do if you could actually see out of the submersible for me it's kind of like watching a TV at very great depth. There's only one window that you can look out of then most of what you would be watching is on a TV screen which you could do from your house on the discovery channel. I just feel like some rich people had some extra money. And didn't know what to do with it. Sadly this was the wrong way to spend it I feel even worse for the one guy that was terrified to death to go down in this thing but did it for his father and paid the price
It's the same arrogance and pride that sank the Titanic. Full speed ahead despite warning after warning to do the opposite. You couldn’t write a more tragic irony.
Who in their right mind would consider going into one of those things? No matter how safe ...you have to be pretty brave ?! 😱
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Brave or extremely foolish.
Pretty stupid*
@@terrencekelly1256 maybe they trusted each other too much lol
@@terrencekelly1256 - with too much money?! Alas the world is a mess??
IMO if you're going to create something that can be used safely below 13,000 feet underwater. It SHOULD have some sort of resistance disclaimer* of up to 20,000 feet. If something can be used in depths of 20,000 feet, then it should be able to handle pressure depths of 13,000 feet without issues. The fact they only designed this vessel to handle basically the exact depths they needed to dive, IMO was the biggest flaw in terms of common sense. It's like building a car that can drive 60 mph for only two hours but when it reaches 60mph, the car isn't stable and shakes. Once the car slows down and gets to 40mph, it then becomes stable and smooth. However, you can risk driving the shaking car at 60mph for 2 hours if you'd like and every time you decide on using the car at 60mph it will eventually collapse.
Yeah agreed
Exactly. The submersibles that have dove Titanic before had crush depths of around 20,000 feet. They operated at 95% up to their crush depth. Way too close to the red line.
Yup, they took the materials straight to their failure points..the hatch wasn't even rated for 4000 meters. It was only rated for 1300 meters.
Good ananalogy
It's the old, "don't worry when the gas light goes on, the car can still drive for quite a while like that."
This is so unforgivable! The one part of the submersible that should have been the safest was ignored . The part that held the passengers was the weakest. Five people died from unnecessary negligence. Nothing could ever make this better. Five souls loved and lost forever. Pray for their loved ones ❤❤❤
RIP.🚢🙇🙏New Subscriber.This is all so unbelievable the more you learn the worse it makes you feel😢
Thanks Will Majan
Just two people? That's quite impressive if you ask me. Great video, keep it up guys!
It got over a million clicks be cause the Daily Mail said it showed how it imploded suggesting it was a catastrophic accident video, and it's nothing of the kind. Cheap trick.
@@Gardis72 their title literally says it shows how it happened. Not really the daily mail’s fault the creators clickbaited the title.
But inaccurate....
@@Gardis72how much money do you think they made from the views? So many people are cashing in on this.
@@ondemandslapperandclapperIt's totally their fault because they had to watch the video and publish their article including it for the greater public to see. If they realized that something was off then they should have thought twice. It's called having accountability to the public and it's a bigger deal for a public media company than it is a single TH-camr
Good work here guys. Am happy to see that you are humble enough to make some corrections. Humility is a virtue
AppreciatedYou might also like Nuclear Powered Submarine Engineering behind it #3d Nuclear Reactor released
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"As soon as I got onboard and saw a Playstation controller, I began to have second thoughts."
“This is one of the basic deep diving submarine you will ever see”
The "crackling" sounds heard on previous dives were the carbon fiber strands in the hull assembly failing. After "X" amount of repetitive cycles (dives) you eventually run out of enough unbroken strands to withstand the extreme pressures acting on the hull. So what they had was a progressive failure. This was the dive that it failed altogether.
What a great explanation, thank you. Do you think they heard it crackling alot before it imploded? Like, the owner of the vessel being like "Oh crap, I've never heard THAT before". Do you think they knew what was about to happen?
@@minkymott From what I've heard given carbon fiber's properties, the pressure involved, and how quick the implosion was, I doubt they heard anything. If they did, Rush probably just brushed it off as just a routine noise he hears on his dives.
It's like the early airplane Comet which failed after a number of pressurization cycles fatigued the fuselage.
They are reported to have aborted the dive (presumably dropped the ballast weights) and we're returning to the surface and had reported that to the surface via a sub to surface telemetry message. Presumably they didn't ascend very far before it imploded.
I guess that last message is why so much effort was put into using aircraft to search a vast area of the surface of the sea. As they expected the sub to have surfaced but the support ship had been unable to locate it on the surface.
There must have been something that alerted the sub's pilot, to the extent that he aborted the dive. (When he had not done so in response to noises heard on previous dives). That must have happened with enough time before the implosion for him to drop the ballast weights and to write a message and send it over the telemetry system to the surface support ship. Even if it was a one word message like aborting or surfacing, that might take 20 or 30 seconds to perform the abort procedure and send the message. There may have been more time beyond that but I doubt that it was more than a few minutes, as if it was intact for long enough to ascend very far, then it probably wouldn't have imploded as the outside pressure would be reducing significantly.
Edit: Just seen telemetry messages.
09:17:50 All under control. At 2960m. No adjustments needed. We're enjoying the ride.
First problem reported at 09:28:16 We're noting an alarm from the RTM [Real Time hull Monitoring]
09:28:35 Reducing velocity, [vertical velocity I would think] depth 3433m.
09:30:36 no change with thrust the rate of descent is increasing. At 35. [3500m?] Going to release the ballast now.
09:32:12 No improvement. Preparing to jettison the frame.
09:35:48 frame jettisoned (multiple attempts needed) starting ascent now.
09:38:09 Crackling sounds from aft.
09:42:12 trying to run diagnostics. Ascending now but very slow. Sounds have subsided. Global RTM alert active. All red.
09:43:42 slow ascent in progress. Quarter predicted. Unclear white rate is small. No indicator. At 3476m.
[Using thrusters, jettisoning ballast and jettisoning the frame has only just stopped the descent & produced a small rate of ascent. Presumably something is flooding with water - unlikely they wouldn't report that, or the hull has deformed such that it no longer has as much volume and therefore doesn't have as much buoyancy. Or possibly the thrusters are wired backwards, as has happened before and they are actually thrusting downwards without realising it]
Last message at 09:46:37 depth 3457m, switched to power bus B, more sounds from aft.
So about 18 minutes from first report of problem to last message.
@@alanm8932 oh my God. I didn't know any of that. So it's possible they were fearing for their lives.
The tragic irony is that the Titan's wreckage, or what remains since some bits were salvaged (like the titanium hull entrance), is now part of the RMS Titanic's wreckage. When the transatlantic ship split apart during its sinking, the stern was subject to friction forces as it sank causing a bunch of debris to scatter around. The entire ship's wreckage site is kilometers squares in surface area. With the sub's remains being only a few hundreds of meters from the bow, this makes it part of the Titanic...
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I see many people comparing this with kursk when its not the same
Bro, This video got to the news! NEW SUBSCRIBER!
Edit: That controller lived forever fr
Many stole our videos and many gave permission
@@Aitelly yeah. but congrats for being on the news!
Btw as a submarine fan, This is approved. (This is cool)
He tried his trailmaker build in real life! Scrapman would be proud
Your detailed analysis of what could of happened is spot on. However there is another factor to consider for the future going forward. The Canadian Government needs to declare the Titanic wreck is sacred ground and is not to be disturbed in any way shape or form.
Let the dead rest in peace and not being goggle-eyed by the few rich deadbeats who can afford it.
Yes agreed😮
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who friggin cares? if people want to risk their life going there, so be it. Why waste tax dollars getting legeslation through on this? We have bigger worries.
Why in the f would the Canadian Government have anything to do with that? It was sailing from England to New York. It sank and rests in International waters. Canada has zero say in what anyone does.
its in international waters also what are you an emotional woman?
It is obviously cursed. Venture at your own risk.
Only two man team doing all the research, animation, editing everything ?? Genius level intellect is needed to do all the research.
Thansks mr Sharma ! we love you guys
Not really. does not take a mental giant to figure out that the carbon-fiber cylinder simply imploded. WHERE IS IT? Yeah its hidden from John W just like UFO/USO investigations these people are useless just leave the stuff down there or tell John what the hell is really going on!
love From India🇮🇳🇮🇳🇮🇳
Excellent animation! Thanks!
Thank you too! watch our latest video too oppenheimer Atomic Bomb
What a respectful team❤. Thank you for the revised version of the video 😊
all for you guys
The whole world is on a morbid curiosity kick with this sub.
Or just simply curious, which is understandable.
that Oceangate guy should have built a BBQ smoker instead of a Submersible.
I came here expecting an indepth look into the physics of what happened, not an indepth tutorial of how to drive a titan submersible.
RIP guys. Getting to that depth can never be me
Im afraid of Baby Shark Song
@@Aitelly lol
birth is chaos , death is peace.. whether on land,water or air..or or space
i missed the 5th element fire or sun.. i know your 6th sense is searching for answer
The problem is that an implosion is followed by a explosion. Every force has a equal opposing force. the air gets compressed for a moment in the sub and that same air then wants to escape because it is less dense than the outside and the internal pressure goes boom and breaks through all the cracks causing a explosion. Inside the ocean, this can be heard for 100's of miles with hydrophones. James Cameron said as much in his interview.
This phenomenon you describe seems to be similar in astrophysics
A star crushes under its own weight - implosion - and thereby rejects violently its outskirts - explosion
That is not what causes the explosion. When any carbon in gas form is suddenly compressed at high velocity it ignites the Carbon. This effect can be seen in how diesel engines work) The sudden increase in gas volume from the ignition causes the imploded components to instantly be reversed in a fireball which then blows the material outward until the pressure of the water then collapses it again. This can sometimes cause a second and third implostion/explosion cycle until all of the oxygen is consumed in the ignition.
Not even remotely analogous.
I was thinking that it reminded me of a supernova, too. Even the part where the increased pressure causes an increased temperature and can ignite elements that wouldn't normally ignite.
Sounds like Dean Cain is narrating this haha
He might be
00:04 Omg I thought you said “N-Words” I woke up so fast lmaooo 😭
hahahah
@@Aitelly great video! 🫶🏾
The moments before the OceanGate imploded must've been a really scary and harrowing experience for the 5 people involved.
❤
You mean the milli-milli seconds?
They didn't know. You can't even blink as fast as they were crushed.
How? They didn’t see it coming. The scariest moment should have been when they initially looked inside the titan and then decided to take a tour in it…
@@lamb8086 u do realize they can feel the pain right? Getting crush in an instant is like getting burn before it hit the nerve system lol
@@Aaron-rv1siol if that was you it would feel painful the reason u people think it's painless is because it's so fast that it instantly happened our skin when we touch it we instantly feel it lol
Wonder if were going to hear about the window that was rated for 4900 feet. Thing had to be under some serious damage.
Did you see the pictures of the debris they brought up? The window is completely missing. I'm really curious to know what went first.
@@freham2001 It could be, but honestly the window probably blew out when the two hemispheres crushed inward.
Not necessarily but until they piece the debris back together they won’t know for sure what caused it. Even though it was most likely the carbon fiber
Seems wierd how the window is the part that was technically the weakest link and which was over 2000 meters deeper than it's rating of only 1300 meters and yet it's automatically assumed that it's the carbon fibre that failed.
@kushbangaroo3127 I too think the port was the initial failure point. Arguments stating the implosion could have blown the port outward are ignoring the known facts. The 5800 psi implosion would have to overcome the external pressure on the port. An implosion caused from the hull collapsing would equalize port pressure the instant it occurred.
Stockton Rush is a gambler and on that day, his luck ran out.
RIP to them.
Ran out of batteries in the middle of an online match.
to me, seeing that the end-domes and the titanium rings were recovered quite intact, and also noticing that the acrylic window was blown out inclusive the retaining titanium ring that held that window in its place and its bolts, that tells the story all to well. The carbon fibre part of the vessel crushed in on itself and then the air inside this compartment blew out the acrylic window from the inside out like a champagne cork. All that with such a force that it even dismounted the retaining titanium ring and the bolts holding it. What I really can`t get my head around is, that they did just parallel layers of the carbon fibre and not criss-crossed them. Most likely this wouldn`t be strong enough either, but it for sure would have increased the amount of pressure the hull would have been able to take by a lot.
Yep I gotta agree. I can't believe that non diagonal winding between layers. typically the windings are 45 degrees to stress and the alternating 90 degrees from there after each complete layer. Probably would have been better using fiberglass and conventional resin because carbon-fiber does not do well under compression. But then again fiberglass may not do well either. Its just a lousy material to use for this purpose. Why not go with a STAINLESS SPHERE with NO view port & instead use cameras displayed on video screens around a table (central area) surrounded by seats sitting in a circumference? Sure like a round restaurant table? You could stack the screens vertically, one for each camera and even switch the view between screens. I can do that here on my computers! I also can't believe the lack of ballast are you kidding me? Cameron used magnets to hold his ballast on his challenger deep dive why BUCK CONVENTION? they used to motors to hold negative buoyancy? I can't believe it.
Or the window , supposedly only rated for 1300m , failed .
probably, but I still believe a submersible should be made of nothing but steel and or titanium! I'm no scientist but, never I've would of gone in that sumb for all the money in the world knowing it was made of carbon fiber,,,no way!!
Mr.Rush fished those 4 men into his sub for 250Grand each!!!
nice, really nice,,for what,,,to die,,
RIP
What happened to those inside?
I also think that the sudden jerking around and panic of the 5 passengers when they realized what was happening, added to the imbalance of forces within & without the capsule.
Both visuals and narration were excellent and easy to understand. Well done!
Thank you kindly! You
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Interesting video. Something as simple as a mechanism that dropped all the ballast when the craft exceeded some angle could have saved the day.
Boah thats cool. Sign me up for the next trip
The problem with carbon fiber is that it has no pliability so instead of flexing with stress and returning to form when removed from pressure like steel might, it cracks. It's even less flexible than fiberglass which also simply cracks when overstressed. It's highly possible that repeated trips at such depths caused small fractures in the hull that went unnoticed, weakening with each trip until failing catastrophically on its last outing. They also used a mixture of materials on the pressure vessel which expand and contract at different rates under pressure which can also contribute to faster wear, loss of structural integrity and leaks.
I found it extremely frustrating that your animation showed the rear panel “implode”. This is just a shroud outside of the rear bulkhead so it’s impossible for it to behave that way. Only the pressure cylinder itself imploded and separated from the front and rear bulkhead domes.
Not to mention no one really knows exactly what happened. This video is bunk bullshit
Do me a favor go outside and touch the grass
@@trishespitia7165 it’s not a clever response
This reminds me of that deep sea pod that decompressed with 4 men inside. They spent a few weeks at the bottom of the ocean I believe, and someone made a mistake whilst decompressing and all 4 men exploded, and one man was sucked through a port hole the size of a dinner plate
It wasn't a pod, it was an oil rig.
It's called The Byford Dolphin Explosive Decompression Accident. It was a routine procedure on the Byford Dolphin oil rig on Saturday, November 5, 1983, in which four divers were returning from a dive and exiting the diving bell into their compressed living chambers.
What gets me is that no one seems to be talking about how this submersible has actually been to the Titanic before. That is why Rush was arrogant in thinking he could keep doing it. Carbon fiber has a life expectancy and it was pushed beyond it because he thought he could cut that corner.
The ego of Stockton Rush has been found fully intact
Nice video. I had picked up parts of this info from all over the web, but this video was the most concise one I had come across. Good job.
Glad it was helpful!
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Idk why but the playstation controller is the scariest part to me
What is this, Dora the explora?
Bottom of the ocean, ooh, titanic, ooh a starfish, ooh a jellyfish!
Swyper: I wanna see the STARFISH again lemme see that
*Breaks controller*
SWYPER, no SWYPING!!
Great job on the animation. Very good.
Thanks 🙏👍
As a carbon fiber specialist, I bet on the same scenario from the first day.
The weak point is neither the carbon or the tinanium, but the carbon/titanium interface.
If water seeps between the two, the resistance of the carbon winding is useless and the pressure will crush the inner titanium tube.
But it started slowly, depending on the infiltration rate, it seems to have taken more than 15 minutes before deformations accelarated the infiltration rate and then the final collapse occurred.
Sounds correct old man, but instead of "crush the inner titanium tube", I think you meant "crush the inner CF tube". Am I right? I totally agree that if water infiltrates the bonded joint, then the separated surfaces within the joint will experience the full sea pressure (causing CF to crush/fail laterally (ie. across fibres) and causing further failure). Eventually there might be water incursion forming an internal 5,500 psi water jet which would breach the inner layers of CF when incursion forces matched the lateral strength of the remaining inner layers. cheers
@@gjpercy
As far as I know, the carbon is wrapped around a titanium tube.
Maybe "inner tube" isn't the right word, sorry for my English (I'm French).
But the fact is that the watertight barrier (welding) is on the inside rather than the outside is a big problem.
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The brittleness of carbon fiber didn't have something to do with it?
Nice animation. I hope the updated video recognizes how these composites would just shatter to bits in an implosion. I've heard tales that the company did not even do standard aerospace NDT on the finished layup. Delamination can happen even when everything was done perfectly, and I have seen it on aerospace parts.
I've seen it too. I work in aerospace with titanium and also carbon fiber. I would ride in a titanium sub... but not carbon fiber.
I believe the Boing 777 and F117 Stealth Fighter used carbon fiber wings, there was also an instance of one of the wings on the F117 failing and snapping off like a cracker. Most wing designs have a certain amount of flex or deflection. I think about how whales dive so deep, they basically have a lot of fat that compresses inward as they dive down deep...deep enough to find giant squids.
A lot of people here who think it's still 2 spaces after a period. It looks weird.
@@juliebraden6911 hopefully this helps your understanding.
Ellipsis points are periods in groups of usually three, or sometimes four. They signal either that something has been omitted from quoted text, or that a speaker or writer has paused or trailed off in speech or thought. That's the basics.
@@juliebraden6911 Not nearly as weird as the grammar police showing up in a video that has nothing to do with grammar.
Glad to hear the ppl wouldn't have suffered at least, but I hate to hear that the inventor wouldn't listen to warnings by other experts.
I find it interesting that in order to see the titanic, you have to look over the toilet.
Very well made video, I had a basic understanding of how this submersible worked but didn't understand the difference between submarine and submersible until now. I also had no idea what all of the features and interior looked like when in action. I tried to put it all together in my head after so many hours of footage we've seen just from it being on the news 24/7.
Thanks 🙏 we love you guys
4:48 ok so the launch ramp descends with the Titan, which then disconnects from it. So it's some depth underwater when this happens, so what becomes of the launch ramp?
@Defender78 I Don't "Factually" Know.
It Seems it's Made to go Back Up.
@@fh346 Now that I'm looking at it again, it seems the launch ramp has some floatible things that are weighed down when the Titan is on it, and then once the submersible slides off it ascends back up to the surface, probably remotely guided by the mothership where it just floats up and then is recovered and winched back in
Looking at the layout of the submersible, one finds it seductively modern and complete. The immediate flaws are the carbon fiber hull (obviously) the hatch closure, the toilet arrangement, and the game controller. The steering mechanism is another thing that appears to come up short. Very interesting animation. I think showing the intensity and immediacy of the implosion would be worth illustrating.
The passengers should have been wearing diapers.
The most obvious flaw is its layout. Guess why every other submersible is a ball shape 🤷♂️
believe it or not, the game controller is actually industry standard
@@ZealotryWingsGogo no. it is not. people keep saying this, its just not. for ROV's or even certain periscope operations on actual subs- sure, but for critical operations where people's lives depend on it, it is not 'industry standard'
@@sigmachud9092 wrong.
Excellent job..!! This is the best recreation of how the implosion happened.? Greek mythology has a history of Daedalus and his son Icarus, who died, sank into the bottom sea, after disobedient his father's advice. When I knew about the Titan submersible story I compared it to the story of Icarus’ flight, as a metaphor for man’s overreaching of his limits.