Why do Ships Sink?

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Oceanliner Designs

Oceanliner Designs

Күн бұрын

Nowadays a ship sinking is extremely rare but throughout history 1000s of vessels have sunk for one reason or another - in fact there could be as many as 3 million wrecks lurking at the bottom of our oceans! But what are the causes of these maritime disasters? Join your host Mike Brady and learn everything you need to know about the science of sinking ships.
00:00 Intro
01:50 Explanation
03:14 Buoyancy
07:05 Water displacement
9:38 Storms
12:03 Explosions
14:30 Outro
Oceanliner Designs explores the design, construction, engineering and operation of history’s greatest vessels- from Titanic to Queen Mary and from the Empress of Ireland to the Lusitania. Join maritime researcher and illustrator Michael Brady as he tells the stories behind some of history's most famous ocean liners and machines!
#ships #sinking #disaster #titanic #wrecks #exploration #history #adventure #design #engineering #mairitime #safety #vessels #sailing #documentary #story #oceanlinerdesigns

Пікірлер: 719
@Islander39er
@Islander39er 16 күн бұрын
Only Mike Brady could keep your attention for 15 minutes by explaining how a ship will sink when flooded with water.
@maratsultanov9676
@maratsultanov9676 10 күн бұрын
абсолютно точно )
@CommunistPartyOfArstotzka
@CommunistPartyOfArstotzka 5 күн бұрын
I'm sure James May could too
@vinceely2906
@vinceely2906 16 күн бұрын
I thought it was because, all of a sudden boats realise that they’re heavier than water? It’s like when aeroplanes crash because they realise they’re not birds.
@lochlanmuir2291
@lochlanmuir2291 16 күн бұрын
LOL
@the_rover1
@the_rover1 16 күн бұрын
💯%
@JoeJaJoeJoe
@JoeJaJoeJoe 16 күн бұрын
coyote moment
@DrathVader
@DrathVader 16 күн бұрын
What in the looney tunes
@nbbailey21
@nbbailey21 16 күн бұрын
🤣
@budwhite9591
@budwhite9591 16 күн бұрын
Mike. I love you my friend. However, you forgot to mention loose lips
@lesliecarr312
@lesliecarr312 16 күн бұрын
Loose fingers work just as good, sometimes. My mom found some naughty drawings and pictures I did during my high school years and she almost sank my ship.
@kensmith5694
@kensmith5694 16 күн бұрын
Just after the US joined in WW2 it wasn't loose lips but that is what the military blamed. The real story is that the lights were left on at night in places like New York. A german U boat could sit out in the water and see all that was going on with the ships about to set off nicely backlit.
@Ugly_German_Truths
@Ugly_German_Truths 15 күн бұрын
that is cause the lips do not do damage to the ship. they enable something else to do the damage and those things were listed sufficiently well.
@vandalsavage1
@vandalsavage1 15 күн бұрын
Ya mum
@bearcatracing007
@bearcatracing007 15 күн бұрын
​@kensmith5694 Congressman Andrew J. May is a perfect example of loose lips
@C.Fecteau-AU-MJ13
@C.Fecteau-AU-MJ13 16 күн бұрын
One of my favourite interview moments I ever heard was during an Australian press event for Clive Palmer's (still never to be) Titanic 2... As one of the engineers was explaining how the new replica would be much safer than the original, one of the reporters tried to get a soundbite moment by asking him "so would you say it's unsinkable?" Quick as a whip he replied, "oh no, I would never say that. For the record: if she can float, she can absolutely sink." Ship building 101 right there. The man wasn't about to be caught out by that old trick.
@anttibjorklund1869
@anttibjorklund1869 16 күн бұрын
"She's made of iron, sir. I assure you, she can sink." - Victor Garber as Thomas Andrews in "Titanic" (1997).
@infravioleta
@infravioleta 16 күн бұрын
So, English is not my first language, I never understood why you say "she" when talking about ships (?) Like, is there a specific reason or is it just way to say?
@C.Fecteau-AU-MJ13
@C.Fecteau-AU-MJ13 16 күн бұрын
@@anttibjorklund1869 Man it would have been bad ass if he remembered to pull the line from the film... Still, he handled it well for an engineer being put on the spot.
@anttibjorklund1869
@anttibjorklund1869 16 күн бұрын
@@C.Fecteau-AU-MJ13 I'm not disagreeing there 😄
@ceu160193
@ceu160193 16 күн бұрын
It's not exactly a trick, just like a bad karma - calling ships "unsinkable" or "unstoppable" tends to end up badly both for ships and their crew. If I would build a ship, I would specifically call it "barely floating" so crew won't get too confident in their ship.
@GangGang1
@GangGang1 16 күн бұрын
Because of water! Put the ship on land and it wont sink!
@seymoorepoone9512
@seymoorepoone9512 16 күн бұрын
I am amazed by your wisdom.
@darkadmiral106
@darkadmiral106 16 күн бұрын
That's how grounding works
@powcod7455
@powcod7455 16 күн бұрын
Fr. In the words of Richard Hammond "I dont trust a vehicle that isn't where it was when you last parked it"
@kimreinikainen
@kimreinikainen 16 күн бұрын
Fish on the dry land flap flap
@EricDKaufman
@EricDKaufman 16 күн бұрын
@@seymoorepoone9512 You forgot your need gravity too
@fraserthomson5766
@fraserthomson5766 16 күн бұрын
Polynesian explorers used to intentionally flood their wooden canoes in rough weather to stop from bouncing around in the waves. You'd think they would sink, but the wood is naturally buoyant.
@fahey5719
@fahey5719 16 күн бұрын
You have no clue of Physics. If you punch a hole In a wooden ship hull, it sinks. Hundreds of thousands of wooden ships from ancient Greeks and Egyptians until today. Natural buoyancy is a 5 year old kid "explanation".
@janisi9262
@janisi9262 15 күн бұрын
This was the case with an aluminum rowboat my dad had when I was a kid: he tried to sink it, just to see if he could, but there were big chunks of styrofoam under the seats that kept it afloat.
@GeneralKenobiSIYE
@GeneralKenobiSIYE 15 күн бұрын
Yeah that works until the wood becomes waterlogged.
@desubtilizer
@desubtilizer 15 күн бұрын
Using the water as ballast.
@andrefiset3569
@andrefiset3569 15 күн бұрын
Even wooden ships sank, of course because they had a ballast of rocks.
@bsquiklehausen
@bsquiklehausen 16 күн бұрын
Usually when an unplanned field modification results in a larger-than-standard cold water intake to be installed somewhere on the hull.
@me3333
@me3333 16 күн бұрын
It can also happen from an unplanned positioning orientation of the vessel
@ladyzapzap9514
@ladyzapzap9514 16 күн бұрын
Spoken like a true engineer!!
@ballasog
@ballasog 15 күн бұрын
Not the only possibility. Hull could remain intact but get smushed.
@mikehenson819
@mikehenson819 16 күн бұрын
Just a quick story. I served in the USN, and was assigned aboard the aircraft carrier USS Independence. I went aboard while the ship was in dry dock. I’ll never forget the first time I saw the ship sitting in that dock on blocks and was overwhelmed at its size and remarked out loud “ how on earth does it float?!” First time at sea was scary and exciting for me. And after a while, we all became convinced it was unsinkable, short of an atomic blast: or so we reasoned. About a year latter we were caught in a massive storm in the Mediterranean Sea for about 3 days and night, that quite terrible. Suffice it to say, all hatches were shut and no one was allowed to go up on the flight deck or open any outside hatches. With 40 to 60 ft swells, we 🎉had water over the bow . I know because I went up in the island structure and managed to see out over the flight deck. Up until that time, we’d seen many rough seas and we thought little of it. But this big typhoon changed it all for me and about 3,000 of my shipmates. The power of a storm at sea is an awesome and scary thing to endure when all you can do is ride it out. During those 3 days and night, I think everyone onboard spent the majority of their of their time praying, because you certainly couldn’t sleep through it. More to tell about that experience, but I’m afraid people would think I was exaggerating.
@DaystromDataConcepts
@DaystromDataConcepts 15 күн бұрын
Please tell us more. I knew of a U.S submariner who told me his Ohio class SSBN, an 18,000 ton boat, rocked like a swing even while at 400 feet depth during a storm like you described.
@triciacarr5019
@triciacarr5019 14 күн бұрын
TELL TELL! C’mon, we’re all ship nerds here.
@mikehenson819
@mikehenson819 14 күн бұрын
Ok. You asked for it, and I promise it’s 100% true. Well after that third night, the swells and wind had subsided a great deal, and the Captain wanted to try flying. Mind you the sea was still quite rough and it was drizzling rain, but we could manage to walk on the flight deck with a good deal of caution. So around noon the brass decided to try and launch 3 planes. One Phantom, one A6 E, and one TomCat. We got the pilots and crew up on deck, but they weren’t too keen on the idea, but we were close enough for them to land in Italy at our Airbase at Aviano if they couldn’t make it back on board. I was a flight deck PO in charge of V1 ( bow director) so I had to be out there. Keep in mind all of those on that deck including the pilots crew and the Air Boss didn’t think this a great idea. We got the birds started, untied them from the deck ( making ready to throw the chains in at a moments notice and taxied them in position to load the Port side bow cat, and tied them back down on the deck. The captain gave the order to turn the ship windward to make ready for launch. And as the ship began its starboard turn into the wind, the deck began to rise ( as we were riding up in a huge swell) and continued to list harder than I’ve ever experienced before or since. The planes were actually vibrating against the chains, and the TomCat I was holding and directly now above me was tight against its chains to the deck, and the pilots were reading to punch out! It was about that time I saw the flight deck Crain ( a huge machine that stayed parked in front of the island structure broke free from its chains and was rolling towards us, while the air boss was screaming in my headset for navigation to turn hard to right the ship. I was literally holding 2 pad eyes on the deck ( chain attachment points) yet seemed to be standing vertical, and slowly the ship began to right itself and settled back to a somewhat even deck. I swear I thought we were going to capsize that thing! Our Air-boss ordered to secure the planes right where they were, get the crews out and off the deck NOW! Within 10 minutes, I learned that we had over 200 injured below decks when cabinets and other heavy items broke free and slid out of position and many thrown across the space they were in. And that big Crain that broke loose? It rolled about midship before the deck leveled back out. In 3 days we made it back to Italy, and there was no mention of flight ops again until those 2 weeks in port were complete. The fear level for all on board was maxed out during those days, I think we were all just thankful to have survived the ordeal. I went to our Division reunion in Pensacola Florida a few years ago, and brought this up within the group by the fireside one night. And I can tell you that there wasn’t a one of those guys who didn’t forget that incident in great detail back in 1979. In fact a couple of the guys said they had suffered nightmares from it.
@TKaePetras
@TKaePetras 14 күн бұрын
@@mikehenson819 Wow! Thank you for the great true story! I have so much respect and admiration for our military personnel.
@triciacarr5019
@triciacarr5019 13 күн бұрын
Ditto, thx for story, and service. B-but WHY did captain want to launch planes?? Wish I could buy you a beverage for that tale.
@philiphumphrey1548
@philiphumphrey1548 16 күн бұрын
IJN Yamato and HMS Barham were on the way down anyway when their magazines exploded, it hastened the end but not by much in either case. With USS Arizona and HMS Hood (also with the British battlecruisers at the Battle of Jutland) the magazine explosions were the direct cause of the sinkings.
@flyingmonkeydeathsquadronc968
@flyingmonkeydeathsquadronc968 15 күн бұрын
Don't forget the USS Maine in Havana and that one was likely just due to bad ship design.
@Neneset
@Neneset 15 күн бұрын
@@flyingmonkeydeathsquadronc968 And IJN Mutsu.
@Quert_Zuiopue
@Quert_Zuiopue 10 күн бұрын
Or danish second grade Christian VIII.
@macmedic892
@macmedic892 16 күн бұрын
“Because water gets in them”, the witty ones will say. Funny, I was typing almost that exact phrase.
@EricDKaufman
@EricDKaufman 16 күн бұрын
You need gravity too
@jordanpeterson5140
@jordanpeterson5140 16 күн бұрын
Damn, I thought we were friends, Mike Brady from Oceanliner Designs. Just @ me next time.
@lycossurfer8851
@lycossurfer8851 16 күн бұрын
He's (Mike) getting wise to us I see
@OnionChoppingNinja
@OnionChoppingNinja 16 күн бұрын
Because they don't weight the same as a duck.
@toddkurzbard
@toddkurzbard 16 күн бұрын
Dammit. I was JUST about to do it.
@ianhutchinson1783
@ianhutchinson1783 16 күн бұрын
I believe in the UK North Sea during oil and gas exploration a fishing boat that had been mysteriously lost some decades earlier was found on the seabed in the middle of what geologists call a pock-mark. These are the marks left behind when gas escapes from beneath the seafloor. What is thought to have happened to this unfortunate trawler was that as it sailed along minding its business, a huge bubble of methane gas burst out of the sea bottom having escaped from geologic strata below and the boat found itself suddenly surrounded by a mixture of water and gas which does not have the same buoyancy as seawater. It would therefore have almost instantly sunk. All on board were lost and there was no distress call.
@budroberts5929
@budroberts5929 10 күн бұрын
Paddling a kayak in whitewater rivers, white foamy water is a lot of air and your paddle blade gets little grip in it. Most places there's solid moving water underneath to get a grip on. You look for holes -a lot of turbulence & foam - and surf it although yeah, some big holes can swallow you.
@chalky_white
@chalky_white 16 күн бұрын
It’s our friend Mike Brady, from Oceanliner designs
@Archeantusable
@Archeantusable 16 күн бұрын
I love our friend Mike Brady from Oceanliner Designs
@GreggyAck
@GreggyAck 15 күн бұрын
I, too, love our friend Mike Brady from Oceanliner Designs
@nunyabidness674
@nunyabidness674 16 күн бұрын
Q: Why do ships sink? A: Water on the wrong side of the hull.
@Darilon12
@Darilon12 16 күн бұрын
Excessive humidity within the hull.
@nunyabidness674
@nunyabidness674 16 күн бұрын
@@Darilon12 Yeah... damned condensation lmao
@svgalene465
@svgalene465 16 күн бұрын
The number one rule of shipping: Keep the water on the outside. (Number two: The pointy end goes first.)
@nunyabidness674
@nunyabidness674 16 күн бұрын
@@svgalene465 The round ships have entered the chat...😁
@me3333
@me3333 16 күн бұрын
@@svgalene465 "Number two: The pointy end goes first." So that's what I've been doing wrong all these years...
@martinbitter4162
@martinbitter4162 16 күн бұрын
The Swedish Warship Vasa comes to mind. It sank in calm seas as it was simply too top heavy.
@lesliecarr312
@lesliecarr312 16 күн бұрын
Top heavy. Blown over when one of the crew members cut one.
@Kr0noZ
@Kr0noZ 16 күн бұрын
@@lesliecarr312 well it was top heavy, and it was almost too heavy in general; but the issue was the wind catching the sails at an angle (as tends to happen when you try to get a sailship moving) and the list allowed water to flood in through open gunports on the lower gun deck, which sat right above the waterline in calm seas. Sank before even getting out of the harbor.
@KPW2137
@KPW2137 16 күн бұрын
A tiny tidbit regarding Yamato sinking: In October 1944 the sister ship Musashi was also attacked by the US aircraft in the Battle of the Sibuyan Sea. The ship took approximately 19 torpedoes and 17 bombs and yet sank only hours after the battle. That's why the US torpedo bombers were ordered during the attack on Yamato to aim exlusively at one side of the ship in order to capsize it - that's why Yamato went down capsizing and after receiving many, but not as many hits as Musashi.
@calumjelley9395
@calumjelley9395 16 күн бұрын
Interesting video, the physics behind ships is already mind boggling!
@OceanlinerDesigns
@OceanlinerDesigns 16 күн бұрын
Thank you!
@lelandgrubson2736
@lelandgrubson2736 9 күн бұрын
I see what ya did there 😂😂😂
@mikedicenso2778
@mikedicenso2778 16 күн бұрын
Scuttling. That's another way water gets in on the wrong side of the hull and ruins that buoyant force thingy. Opening the seacocks, valves that are for allowing water in and out of the ballast tanks or for allowing water inside clean the bilge, etc., to intentionally sink the ship, perhaps to prevent the vessel from falling into the wrong hands. Perhaps one of the greatest examples of this is the scuttling of 50 German warships at Scapa Flow in November 1918 by their crews under order from Admiral Ludwig von Reuter to prevent the British from boarding and capturing them.
@LaraineBouguer
@LaraineBouguer 16 күн бұрын
This does raise another, related question. The rules concerning safety of life at sea have been continually updated after every major disaster in history. But in the last few decades, we have seen a massive increase in how many people are on a given ship without a resulting tragedy to give impetus to updating those rules. There were ~3,300 people on Titanic, but the newest cruise ships can have more than 10,000 people on board. How have the relevant authorities adjusted their rules and plans to account for the possibility of having to rescue that many people at once? Or are they still depending on "any ship nearby help out"?
@grayhatjen5924
@grayhatjen5924 16 күн бұрын
I would actually love to know the answer to this. Normally, I would go looking, but I'm under the weather, and I know there's no way it would compute for me. I'll say this, while these current monster sized cruise ships are fascinating in pretty much all that they do, to me, they're also terrifying. I remember seeing 3 pictures of whatever the current largest cruise ship was, like, a year ago. They were all pictures taken at night, and, She was admittedly lit up brilliantly. Just every color of the rainbow. But I swear, zero histrionics here, I was legitimately repulsed by it. As in, I could not look at it without feeling both anxiety and, weirdly, nausea. All I could think was that thing has 9,000+ people on it. Imagine how long the lifeboat process would take. No, thank you. And to be clear, no shade to anyone that likes said kind of travel. It just freaks me out a bit.
@gordonayres2609
@gordonayres2609 16 күн бұрын
@@grayhatjen5924 I agree-imagine a cruise in a cheesy shopping mall . No comparison with the old liners
@gagalover2k10
@gagalover2k10 16 күн бұрын
There 2, 500 people on Titanic.
@grayhatjen5924
@grayhatjen5924 16 күн бұрын
​@@gordonayres2609 Exactly. I mean, from a business sense I get it. They're trying to provide enjoyment for every type of passenger. The more passenger types you can accommodate, the more bookings you'll have, the more cash you'll net by the end, yadda yadda yadda. But there has got to be a limit. Vegas has limits and it's not floating in the middle of the ocean. Which takes us right back to what happens in the event of an emergency?
@grayhatjen5924
@grayhatjen5924 16 күн бұрын
@@gagalover2k10 I think OP is referring to Titanic's potential capacity. Passenger accommodations totaled 2,511 or something like that. Then you'd need close to 1,000, give or take, to cover the crew in total (whether White Star Line, Marconi, what-have-you). Those are hypothetical numbers, assuming the ship hadn't sank Her first time out. Best place to get numbers like that would be the inquiry testimonies.
@jimivel604
@jimivel604 16 күн бұрын
"She's made of iron, sir! I assure you, she can... and she will. It is a mathematical certainty."
@B1lly_
@B1lly_ 16 күн бұрын
Hey, Mike. Can you maybe make a video about The Yellow Fleet, Where around a dozen ships stranded in Great bitter lake for almost a decade?
@Darilon12
@Darilon12 16 күн бұрын
I'd love to hear that story. It's not the typical disaster story you often get when talking about ships but incredible nevertheless.
@mbvoelker8448
@mbvoelker8448 16 күн бұрын
Never heard of it. Which is a good reason for Mike to make a video so that I'll learn. :D
@josephrasberry3850
@josephrasberry3850 16 күн бұрын
That would be cool I’ve never heard of it
@TheSaneHatter
@TheSaneHatter 16 күн бұрын
This is such a good overview of not just Titanic, but several famous sinkings, that it could be used as THE introductory video for the whole channel.
@jake1776
@jake1776 15 күн бұрын
This channel is so relaxing and helps me go to sleep. I guess it’s bad that sinking skip information helps me to sleep.
@cwam1701e
@cwam1701e 16 күн бұрын
According to Amazon's Rings of Power, things sink because they are drawn to darkness but other things float because they are drawn to light. I'm afraid I didn't make it past that line which was about three minutes into the first episode, so I'm not sure if they went into the thing in anymore depth (see what I did there?!). However, THESE videos are great!
@Tempusverum
@Tempusverum 16 күн бұрын
Sounds like medieval dunking theory. If she sinks, she a witch! 🧙‍♀️
@jsa-z1722
@jsa-z1722 13 күн бұрын
I’m with you!
@ZAV1944
@ZAV1944 16 күн бұрын
The lake freighter SS Charles S. Price was famously found floating upside down on Lake Huron after the Great Lakes Storm of 1913, the wind and waves flipped her over spilling out her load of coal and trapping pockets of air in the ship causing her forward section to poke above the water while her stern weighed down by the boilers and engine dipped down dragging along the lake bed until finally she sank completely seven days later after being discovered and identified by a diver.
@thing_under_the_stairs
@thing_under_the_stairs 16 күн бұрын
The 1913 White Hurricane left a whole lot of ships in a lot of bad, and some downright strange situations!
@ZAV1944
@ZAV1944 16 күн бұрын
@@thing_under_the_stairs indeed and it was not just the Price that was flipped turtle.
@BNuts
@BNuts 16 күн бұрын
_Oceanos_ also came to mind. Everything was fine and dandy until she sprung a bad leak. And then there's _Principessa Jolanda_ , which capsized and sank due to having insufficient ballast, and too many loose fittings while being launched too quickly. Likewise, the ferry _Sewol_ capsized because her cargo was not secured, and she was turned too sharply (more than a mere five degrees).
@jetdriver
@jetdriver 16 күн бұрын
A ship doesn’t a ship doesn’t sink because it Capsizes. It sinks because the capsizing lets in more water which causes her to sink. In the end it’s all about the water getting in.
@GratiaCountryman
@GratiaCountryman 16 күн бұрын
I think Mike Brady should do a video on Oceanos. It would be fascinating.
@gunrunner7224
@gunrunner7224 16 күн бұрын
Great lakes car ferries come to mind for shifting cargo.
@boobah5643
@boobah5643 11 күн бұрын
_Sewol_ also capsized because they'd added more cabins high on her hull, shifting her center-of-gravity higher, without being properly recertified (a certification that would likely have been withheld, possibly why the owners skipped that step.)
@user-lm7iq2dc3n
@user-lm7iq2dc3n 11 күн бұрын
Our friend Mike Brady is an expert on ships 🚢 of every kind. But is also easy on the eyes 👀, kind and nice. The scale ⚖️ tipper is his sense of style and his fastidious wardrobe. That killer tie 👔 is an example of that. He is one cool 😎 dude.
@ShaunHopkinsAVFC
@ShaunHopkinsAVFC 14 күн бұрын
Our friend Mike Brady is not only a national treasure, but a world treasure. Best channel on KZfaq
@phluphie
@phluphie 16 күн бұрын
Because all the air gets out. Not dissimilar from the magic smoke getting out of electronics.
@lesliecarr312
@lesliecarr312 16 күн бұрын
Magic smoke is another way of saying MADE IN CHINA.
@DangerB0ne
@DangerB0ne 12 күн бұрын
​@@lesliecarr312Nah, magic smoke is an essential ingredient in all electronics, Chinese or no. The issue is when too many angry pixies are crammed into a device. The angry pixies have a tendency to break out of the circuit and take the magic smoke with them out of spite.
@nanabutner
@nanabutner 16 күн бұрын
Thank you for sharing your knowledge and research with us at least twice every week. I can’t remember a single video where I haven’t learned at least one new item, THANK YOU!
@benderbendingrodriguez420
@benderbendingrodriguez420 15 күн бұрын
Mike out here really answering the deepest questions
@--SPQR--
@--SPQR-- 12 күн бұрын
Yes, and his answers really hold water, too.
@jetsons101
@jetsons101 12 күн бұрын
Now I want to dig out my DVD of the 1972 movie The Poseidon Adventure.
@virginiamackey6446
@virginiamackey6446 16 күн бұрын
5:29 excellent episode. You answered a lot of questions I didn't even know I had!
@OceanlinerDesigns
@OceanlinerDesigns 16 күн бұрын
Glad you enjoyed!
@Danger_N00dle
@Danger_N00dle 16 күн бұрын
The game "Sinking Simulator" might be one of the best way to visualize the sinking of ships. Something similar could be said for "Floating Sandbox" which use similar physics.
@ABrit-bt6ce
@ABrit-bt6ce 16 күн бұрын
I found from Battleship New Jersey's dry docking that there are dozens of holes in the bottom of a ship for good reason. Their stuff can be a bit ana1 at times but informative.
@jerimiahjohnson4645
@jerimiahjohnson4645 16 күн бұрын
Love the new design of the intro for Oceanliner Designs. You have come along way good sir. Love the video
@Henri_Hilarious
@Henri_Hilarious 15 күн бұрын
Stellar video as always Mike!
@mostmrduck8350
@mostmrduck8350 16 күн бұрын
Hey, it's our friend Mike Brady from ocean liner designs
@andrewhammel8218
@andrewhammel8218 16 күн бұрын
You forgot an interesting modern sinking. A cruise ship in the 21st century sank off of Africa near South Africa when...a toilet sprang a leak. The hull was NOT breached. The ship flooded from its own internal plumbing system, and sank "from the inside out". And further...it sank so fast that the crew abandoned the ship AND the passengers. And the passengers ended up having to call mayday to be rescued when some geeky young kid broke into the pilot house and commandeered the captains radio! The TV doc played the recorded conversation with the local coast guard. The coast guard kept asking the kid "what RANK are you?" and he had to repeat the fact "I am passenger...the crew disappeared! I am of no rank!".
@user-es4iu7ls2o
@user-es4iu7ls2o 16 күн бұрын
Oceanos
@redshirt49
@redshirt49 16 күн бұрын
Keep in mind the bit about a burst waste water pipe is just a theory, they don't actually know what happened to cause the flooding. What they do know is that one of the hull compartments was breached and taking on water, causing the engine room to flood which eventually blew out the engines. There was a loud bang, the ship went dark and started drifting and taking on more and more water from high waves in the storm. Also, the guy who ended up coordinating much of that rescue was part of the crew, though he was a musician. A guitarist, and he relayed as much to the Coast Guard. The captain had ordered the ship abandoned but had not sent out a distress call, he also gave no clear instructions about how the evacuation was to be done; leaving junior crew and passengers to sort it out amongst themselves. It seemed he'd panicked and gone into shock, as he'd been observed just sitting at the rear of the ship, in the dark, chain-smoking. Didn't really do much until the rescue helicopters came the next morning, where he demanded to be the first one off to "coordinate the rescue". Which apparently meant sitting on shore and occasionally asking passing rescuers how things were coming along.
@GratiaCountryman
@GratiaCountryman 16 күн бұрын
@@user-es4iu7ls2oYup, I was about to say that. 😂😂
@pc_buildyb0i935
@pc_buildyb0i935 16 күн бұрын
​@@redshirt49 The ship shouldn't have been taking on any water from high seas - the waves would have to have been swamping the ship's decks in order to get access to the air intakes and ventilation shafts. Aside from a hull breach (extremely unlikely, as there were no reefs in the area) a failure in the ship's plumbing was almost certainly the culprit. To this degree, it has been pointed out by naval architects that the Oceanos' plumbing system did not have a backflow prevention gasket, so it would not have been able to halt incoming water, nor did it have shutoff valves at the cutouts of bulkheads, allowing the water to transfer from compartment to compartment as the ship flooded. Given eyewitness testimony about backflooding toilets and sinks before the ship lost power, it's pretty safe to conclude that's exactly what put her down. Following the sinking, the plumbing systems of ships at sea were fitted with shutoff valves at every bulkhead cutout and backflow gaskets to prevent water from outside flooding into the ship.
@TitanicExpertJamesGrass
@TitanicExpertJamesGrass 16 күн бұрын
Great video as always Mr. Brady
@Shoelessjoe78
@Shoelessjoe78 13 күн бұрын
I really appreciate the way you present the material. Well spoken, good pacing, and clear easy to understand explanations.
@donny8619
@donny8619 15 күн бұрын
Remember the scene from the titanic movie where 2nd Officer Lightoller is trying to inform the first class passengers about boarding women and children with the loud hissing in the background. When that hissing suddenly stopped, was it an indicator that one of the bulkheads underneath had been almost or completely filled? If so then that would be such a chilling and haunting indicator for how quick the ship was sinking
@Sailor_alan
@Sailor_alan 16 күн бұрын
Watching this reminded me of many many many lessons in ship stability. One of my lecturers described buoyancy force as being the upthrust of the liquid fighting against the gravity pushing down. Some of the calculations take hours to work out. Bilging is one of the calculations that explains how a stricken ship can continue to float.
@lesliecarr312
@lesliecarr312 16 күн бұрын
I don't think gravity pushes down. It sucks. Especially if you're 31,000 feet up in the air. The secret of keeping a leaking ship afloat is to pump more water out than is coming in.
@ronjones1077
@ronjones1077 15 күн бұрын
Well done!
@firstnamelastname6216
@firstnamelastname6216 16 күн бұрын
I'll admit that I did used to marvel how ships could float so well while being made of iron/steel, and weighing soooo much. I think people forget just how heavy water is.
@cleverusername9369
@cleverusername9369 16 күн бұрын
And incompressible
@tutzdesYT
@tutzdesYT 15 күн бұрын
Most of the ships' volume is actually filled with air. Modern ships in essence are pretty big air bubbles with tiny film of steel coating.
@TitanicHorseRacingLover
@TitanicHorseRacingLover 15 күн бұрын
One of the most frightening sinkings by storm had to be the MV Derbyshire in Typhoon Orchid.
@user-xu2pi6vx7o
@user-xu2pi6vx7o 14 күн бұрын
Fun fact. One ton of water weighs as much as one ton of lead.
@didgereemedia194
@didgereemedia194 15 күн бұрын
Sinking ships have fascinated me for most of my life. For some reason, the physics of it fascinated me and I've done multiple videos, comics and drawings about sinking ships, even a whole sinking of a fictional ship called the Renaissance, similar to Titanic/Lusitania era and style if ships that sinks after striking undersea rocks, like the Costa Concordia. I am autistic, and I feel this came from reading about the Titanic disaster as a kid.
@davidberriman5903
@davidberriman5903 15 күн бұрын
Yet another informative treat from Mike.. One of the very few channels where you can be guaranteed of a learning experience. Thank you just not seem adequate.
@kenhayward5009
@kenhayward5009 16 күн бұрын
Perfect timing!!! I am teaching the topic of buoyancy in my Grade 8 science class, and this video not only gives a good description of buoyancy but also provides excellent real-world examples to provide enrichment of the topic. Thanks!!!
@joshuaquintana148
@joshuaquintana148 16 күн бұрын
"Look, I'm gonna be real with you guys.... water is angry. And when people bring big boats out there?? Ho boy, the water doesn't like it. Today, we're gonna look at posiedons tendency to go through bad breakups, and how he can foster a better taste in women. Thus, saving lives."
@michaelberry950
@michaelberry950 16 күн бұрын
I love your new intro! It is perfect for what you cover. Gives me chills every time. I turn the volume WAY UP
@OceanlinerDesigns
@OceanlinerDesigns 16 күн бұрын
Thats awesome!
@turbofanlover
@turbofanlover 15 күн бұрын
Excellent vid...as usual. Density is at the heart of this discussion. More dense fluid will sink below or displace less dense fluid. When the hull of a ship is breached, water rushes in and forces the less dense air out...and eventually enough less dense air is replaced by far more dense water...and down the ship (it itself comprised predominantly of far more dense materials than either water or air) goes.
@patsyleeoswald9912
@patsyleeoswald9912 16 күн бұрын
Unlike wood, iron and steel don't float.
@patparkhurst9689
@patparkhurst9689 16 күн бұрын
Then why do wooden ships sink?
@Merennulli
@Merennulli 16 күн бұрын
​@@patparkhurst9689Cargo and ballast. Ships that are too buoyant don't sail well, so they would fill a lower section with rocks as ballast to get an optimal buoyancy. And even when ballast isn't required, the cargo often is heavy and dense enough to sink a water filled ship. Ships that can't sink are called "neutrally buoyant" and you often see that with lifeboats and small tour boats like the newer replacements to duck boats.
@patsyleeoswald9912
@patsyleeoswald9912 16 күн бұрын
@@patparkhurst9689 because of all the other items on board that are not made of wood, I'd think.
@weesamexpress6730
@weesamexpress6730 16 күн бұрын
I have a suggestion of two sinkings for you to cover. I love your videos, and I kinda want your take on the following: M/V Princess of the stars And the M/V Doña paz
@lesliecarr312
@lesliecarr312 16 күн бұрын
Dona Paz. Spanish for "DO NOT PASS". Roll your dice and take your chances. And take theirs while you're at it.
@ifsplem
@ifsplem 10 күн бұрын
Hi Mike. I’ve just become a Patreon. Your Lusitania documentary was exquisite. If you were my science teacher I’d have some clue about this stuff. Thanks for your amazing videos
@glamdolly30
@glamdolly30 16 күн бұрын
Video like this are little gems, loving 'Oceanliner Designs' work!
@densealloy
@densealloy 15 күн бұрын
Eureka! That was a good video and thoughtfully explained a seemingly self-explanatory topic. Thanks Mike.
@ingocernohorsky
@ingocernohorsky 16 күн бұрын
Unsecured loading can capsize a ship. Or when the ship gets too old and structure is compromised
@rogerb3654
@rogerb3654 16 күн бұрын
ABSOLUETLY...this happens with car ferries all too often. The cars aren't secure (Parking brake is not enough if the ship starts rocking). and they start rolling.
@gregorydayton5428
@gregorydayton5428 15 күн бұрын
Mike, I enjoy all your videos. Thank You!
@applejacks971
@applejacks971 16 күн бұрын
I'd like to hear the whole story regarding the Italian liner that threw a propeller and sank. I'd google it but I'm lazy and stuff.
@Nowhereman10
@Nowhereman10 16 күн бұрын
We don't have to believe the damage to Titanic was only square square feet (the size of your average doorway). The damage below the mudline where the wreck of the bow section rests partially submerged in the seafloor has been imaged using ultrasound. However, part of the damage is actually visible because it extends past the mudline. About 50 feet. This area covers a few feet above the keel between Boiler Rooms 5 and just into 6 past the watertight bulkhead. Hull plating is separated, rivets popped out, and are only separated by a couple inches at most.
@mattj5155
@mattj5155 15 күн бұрын
Mike, I am surprised you didn't talk about another shocking reason for ships sinking - loss of surface tension in water. A few ships have been lost by just drifting over underwater volcanos where dissolved gasses broke the surface tension.
@Caktusdud.
@Caktusdud. 16 күн бұрын
Another good example of explosions and fire is the IJN Taiho, a new ship for the Imperial Japanese Navy. She was hit by 1 torpedo in the bow section by the USS Albacore. Not a huge problem, if it wasn't for the blast rupturing her forward aviation fuel tanks. This is realised when the lower hanger crews can smell the aviation gas. They quickly got to work. Finding av gas pooling in the forward elevator well. Meanwhile on the bridge..............somone decides to help out by turning on the ship's ventalation system. This meant air was running through the ship, carrying the av gas fumes with it. Making it way below decks a spark in the ship's machinery spaces set the fuel on fire and BOOM 💥. The whole ship exploded 3 hours after being struck by the torpedo.
@Kr0noZ
@Kr0noZ 16 күн бұрын
Sometime, people "helping" is worse than people doing nothing.
@Caktusdud.
@Caktusdud. 16 күн бұрын
@@Kr0noZ well to be honest this is the same personal who saw the torpedo coming and just.........stared at it. Im not sure if they had time to get out the way, but of I recall correctly that all they did.
@user-xu2pi6vx7o
@user-xu2pi6vx7o 14 күн бұрын
So the crew turned the ship into a thermobaric bomb?
@Caktusdud.
@Caktusdud. 14 күн бұрын
@@user-xu2pi6vx7o pretty much
@boobah5643
@boobah5643 11 күн бұрын
As memory serves, it was more that _Taiho's_ complement had put out the initial fires, and then turned on the blowers to clear the fumes. Extremely combustible fumes. With extremely combustible results.
@johngdoty
@johngdoty 16 күн бұрын
I always thought that the water displacing the air in the ship's hull caused it to sink. Brady mentioned air escaping from a vent in the titanic's forepeak. This was water displacing the air that keeps the ship afloat since the air is lighter than the water. A submarine displaces water with air in order to rise to the surface. The surface ship doesn't have to be completely enclosed because of the buoyancy force, but if the air inside the hull is replaced with water, it sinks because the water is heavier than the air. Right? Wrong? Totally off base?
@boobah5643
@boobah5643 11 күн бұрын
Not wrong, exactly, but it's hardly ever how it gets described. Not least because you can design a ship that has no air in it that will still float.
@browncoatkevin
@browncoatkevin 11 күн бұрын
Basically right. Air has extremely little weight, while the water's much higher weight adds to the buoyancy equation. And when the ship's total weight including the water gets too high, down goes the ship. Replace it with air again, and up comes the submarine.
@evanamiart91
@evanamiart91 16 күн бұрын
Idea. To do a video on the underwater bacteria of Titanic and to have a rough time between her sinking and eventual discovery on when the bacteria would start to eat away at the metal, wood etc to have a idea on what the degradation of Titanic would have looked like during those 70+ years underwater such as your excellent drawings and animations of the ship. Even though Im not into ships. I love the videos, Mike as there very informative. Keep them up.
@angeljohns3207
@angeljohns3207 16 күн бұрын
Love all your videos. They are so informative and interesting. Thanks
@michaelmaness4915
@michaelmaness4915 16 күн бұрын
Hi Mike - I love your work content. Thanks!!
@megarollxrgmbroadcasting91
@megarollxrgmbroadcasting91 16 күн бұрын
“americans use anything but the metric system” non-americans: 6:55 i crack myself up. great video as always mike and team.
@Unownshipper
@Unownshipper 15 күн бұрын
Interesting topic, more in-depth and cerebral than most channels go on the subject.
@andrewwilliams2353
@andrewwilliams2353 9 күн бұрын
Excellent presentation again , our friend Mike. You really do have a gift for this sort of thing and we love you for it too ! Keep it up, Sir. your friend Andrew Williams !
@zombieshoot4318
@zombieshoot4318 15 күн бұрын
One cruise ship that sank without hitting anything was the Oceanos. Sank in 1991 off the coast of South Africa. Incompetent repairs to the waste disposal system allowed sea water to get in after some freak waves damaged the badly done repair. Amazingly no one died. 581 people on board got off.
@deversandbello
@deversandbello 13 күн бұрын
Mike ur channel is so awesome. i didn’t even finish the intro because it was so good that i had to write this comment already. fantastic hook
@SeanMalone-tn2ly
@SeanMalone-tn2ly 16 күн бұрын
I cannot wait to see what Oceanliner Designs Has in store btw Michael Brady you helped my learn things that I never knew about the Titanic like the fact I read a book that said Her fourth tunnel was a dummy but you helped me understand it wasn't tysm
@nancyschaefer3851
@nancyschaefer3851 13 күн бұрын
Highly enjoyable video!
@blessedwhitney
@blessedwhitney 16 күн бұрын
I feel like this video would have extra awesome with a collab with Practical Engineering.
@kutlachakela
@kutlachakela 16 күн бұрын
Any updates on Airliner Designs?
@smee6540
@smee6540 16 күн бұрын
Wait theres an airliner designas?
@nursestoyland
@nursestoyland 16 күн бұрын
when is plane designs?
@patriotforlife6592
@patriotforlife6592 15 күн бұрын
Interesting video mike!
@zephyr8072
@zephyr8072 16 күн бұрын
Why do ships sink? A superabundance of dihydrogen monoxide.
@rogerb3654
@rogerb3654 16 күн бұрын
Great information/video Mike @OceanlinerDesigns on simplifying the entire process. I watch Ryan on @BattleshipNewJersey channel and he's always talking how battleships have about 1000 water tight compartments that create a reserve of buoyancy. Which means: to sink a battleship; you have to poke a lot of holes in it.
@robertthomson1587
@robertthomson1587 15 күн бұрын
Excellent video!
@saberconvoyaviation8674
@saberconvoyaviation8674 14 күн бұрын
Impressive video! I knew quite a bit about how ships sink already, but the physics of it is something new to me! :3 A bit of information on the SS United States. While she was designed and built to US Navy specifications, the ship’s designer never said she was unsinkable because he was aware of the dangers of a ship sinking. The SS United States was designed to have the best chance of getting everyone on the ship off if the ship was ever to be in danger of sinking.
@pastorjerrykliner3162
@pastorjerrykliner3162 16 күн бұрын
Normandie was a beautiful, beautiful ship... The lines of her hull were magnificent.
@dca73
@dca73 12 күн бұрын
Hey Mike, thanks for this great video. I always learn so much espeialy with your clear explanations. I was somewhat surprised you didn't mention two noteworthy sinkings; the Swedish warship Vasa that sank off Stockholm harbor in 1628 and the infamous sinking of the Costa Concordia off the coast of Italy. I know there are so many sinkings and you cant cover all. I just thought those two were particularly significant. Great job overall!
@mikehunter5046
@mikehunter5046 15 күн бұрын
Great video. Top drawer content Mike!
@OceanlinerDesigns
@OceanlinerDesigns 15 күн бұрын
Thank you!
@bentboybbz
@bentboybbz 16 күн бұрын
Boats sink because they fill with water. Thanks for watching. Subscribe like and share!
@bentboybbz
@bentboybbz 16 күн бұрын
They can lose buoyancy for a number of reasons, aeration of the water under the ship can cause a sudden drop in buoyancy making it take on water because it drops below the water line or causing it to roll, cargo can absorb water from leaking hatches and make the ship top heavy causing it to roll beyond its ability to self right, waves of course can do the same thing, ice building up on the deck and especially the rigging, masts, sails, upper structures and make the ship lose it's self righting ability, cargo can come loose and do the same thing, poorly designed ships can be much more susceptible to these things, incorrectly ballasted ships are one of the more common causes of roll overs, open, incorrectly sealed and leaking, or broken portholes and hatches happen too, car carriers and the like with large opening ramps for loading and large open decks can easily be overcome by leaks, the water being able to freely move across the open decks causes massive amounts of water weight shifting and ramming into either side of the ship, steam ships were very susceptible to boiler explosions, when a ship starts taking on water, especially cold water, even if it wasn't in immediate danger of sinking the cold water hitting the red hot boiler can cause a massive explosion, ships are designed to flex, if they didn't they would just break apart, this flexing can cause the steel to work harden over years, which makes the steel harder but much more susceptible to cracking which can make a ship break in two during rough seas, oil rigs are susceptible to failures of ballast systems, and depending on the type of oil rig, the failure of the propulsion system that keeps it stationary can cause the complete loss of the rig, and massive environmental damage, ships dragging or dropping anchors nearby can catch the cables and chains tethering the rig to the ocean floor, becoming tangled or damaging them, also pipes on the ocean floor can be busted by them, ice flows can surround a ship and literally squeeze it until it sinks, strong currents can take smaller boats and smash them against rocks etc, having the wrong heading in bad storms can easily cause a ship to be overcome by waves, I'm not an expert but I think you are supposed to go straight into the Waves and wind riding over or through them sometimes, having them hitting either side is dangerous, waves or wind, loss of propulsion can easily doom a ship, at lower speeds large ships have no ability to steer without the propeller pushing water past the rudder, without the ability to reverse the propeller they cannot stop and can continue uncontrollably for miles helplessly, like that ship that hit the bridge recently, they lost power and tried multiple times to regain power, which is not an easy feat, there are massive electrical breakers in those ships that if there is a short, can cause massive deadly arc flashes, those breakers have to be manually cranked to reset most times, which requires a man to be in full safety suit gloves boots everything, because if there were an arc flash, it would be deadly and still might be, so many things can happen.
@randynutt5660
@randynutt5660 15 күн бұрын
As always, your knowledge of the subject matter, combined with a splendidly balanced delivery combined to create a wonderfully informative and enjoyable video presentation! Carry on.
@timbukh3
@timbukh3 5 күн бұрын
Interesting explanation. I did not know the physics of how a ship can float. I have learned a few things today. I have heard of one more situation which will cause a ship to sink. If a large amount of methane gas is released from the ocean floor creating an unusual area of concentrated bubbles, they can cause the ship to lose buoyancy and sink quickly. Thanks Mike.
@scottyg9167
@scottyg9167 15 күн бұрын
This was great, Mike! I would also add, though, that the actual shape of the underwater hull is what determines the buoyant force. So as a ship rolls over, or the bow plunges in, or water comes in, that shape changes. And of course, there’s a point where Archimedes’ is not your friend.
@williamcarl4200
@williamcarl4200 16 күн бұрын
I have pondered this issue. The reason they sink is the same reason they don't come back up. Gravity. Overcome gravity, and the largest ships will come back up. But, would they now be "unsinkable"? Sorry about that...love the show.
@BayonettaFan
@BayonettaFan 16 күн бұрын
Olympic: Looking around nervously
@davidmeier7
@davidmeier7 16 күн бұрын
Could the Princess Sophia have been saved if they had purposely put holes in her? To prevent her from floating away?
@sadiejustin
@sadiejustin 16 күн бұрын
Mike: "Ladies and Gentlemen, it's your friend Mike Brady from Oceanliner Designs." Me: "Dang Mike. It sure is good to see you again! How the hell are you?"
16 күн бұрын
Super lecture. 👏 👏
@kensmith5694
@kensmith5694 16 күн бұрын
There is another way it goes bad that happened to some crab boats along the west coast of the US. The basic elements of the disaster were: The fuel storage was below the center of buoyancy. The crabs they caught were stored above the center of buoyancy. The owner had had the boat repainted with the Plimsoll line higher. There is something about the hydrodynamics that tends to hold the boat upright when underway (I think this was part of it) As they caught lots and lots of crabs and burned fuel, the center of mass was moving upwards towards the center of buoyancy. This made the rolling motion increase in the number of degrees but happen more slowly. We feel acceleration and not motion so the boat would seem very stable. When the center of mass got close enough to the center of buoyancy, there was no freeboard on the down side of the ship and it rolled all the way over to upside down which was an alternate stable position for it. I forget how many there were but all but the last one of that family were lost with all hands.
@warinanutshell.
@warinanutshell. 16 күн бұрын
Guys wake up, ITS OUR FRIEND MIKE BRADY!!
@jacobduncan2142
@jacobduncan2142 16 күн бұрын
I'm surprised you didn't mention the Oceanos. She didn't hit anything or get hit by anything. Still ended up at the bottom.
@konstantinavalentina3850
@konstantinavalentina3850 16 күн бұрын
I am surprised you do not mention the action that was illustrated in Godzilla minus 1 where bubbles beneath the (floating thing) sink it by cancelling it's buoyancy through the displacement of water with a gas such that since the floating thing is not a lighter than air, it sinks. I don't know if there's any verified sinking of ships this way caused by submarine volcanic outgassing, CO2 gassing, or any number of other submarine natural gas events that could catch a vessel unaware, and if so such thing would be a very rare and sudden "freak" event so sudden most ships could drop into a bubble hole faster than any crew might realize there's even a danger.
@philiphumphrey1548
@philiphumphrey1548 16 күн бұрын
Hard to prove that it happened because a) it would happen so quickly that there would no time for the crew to get off a mayday b) unlikely to be any survivors or witnesses, they would also sink, and c) the wreck may show no underwater damage, but absolutely no indication of what had sunk it, which could also be explained by other causes.
@lesliecarr312
@lesliecarr312 16 күн бұрын
There has been speculation that enormous bursts of methane from the ocean floor may have been what caused mysterious disappearances of ships and planes in the Bermuda Triangle. Methane vents and crystals have been documented in such places.
@tomellingham8627
@tomellingham8627 16 күн бұрын
Yes - someone also in the comments here refers to a fishing vessel in the North Sea that it is believed was sunk this way.
@Blox117
@Blox117 16 күн бұрын
it wouldnt happen, it would have to lower the density of water significantly over a very large area and volume.
@Gingerchalky
@Gingerchalky 16 күн бұрын
Cos loose lips sink ships all the damn time… or so I’m told 😂 sorry I couldn’t resist
@clayschwartzwalter382
@clayschwartzwalter382 16 күн бұрын
The example of the ship broaching-to made me curious about the various ways waves can approach and affect ships. Maybe a topic for a future video?
@scottlewisparsons9551
@scottlewisparsons9551 16 күн бұрын
Thank you Mike for another wonderful video. All the best from Sydney
@lizblock9593
@lizblock9593 16 күн бұрын
I have a question that may be more about the animation. Seems like when a ship slips below the surface, there would still be a huge volume of air escaping, perhaps even geysering up. Perhaps so much air that a survivor would be unable to stay afloat. And that the air release would be violent for a little while and continue for hours. Yet the animation seems to show the water surface calm. Any ideas about this are appreciated! And I continue to be impressed by the high quality of your videos!
@andrefiset3569
@andrefiset3569 15 күн бұрын
The SS Suevic (1900) is an interesting case too. It was wrecked on the south coast of England, all the passenger were saved and dynamite as used to free the stern from the irremediably damaged and stuck bow. With the help of his watertight compartments it was towed back to Harland and Wolff to have a new bow fitted.
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