Space Shuttle Challenger Accident Investigation (1986)
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- เผยแพร่เมื่อ 21 ก.ย. 2009
- NASA documentary detailing the events surrounding the loss of OV-099, Space Shuttle Challenger, shortly after the launch of the 25th flight of the Space Transportation System, Mission STS-51L, on 28 January, 1986, and the subsequent investigation into the loss of the vehicle and its crew of seven. The investigation shows that the Solid Rocket Booster field joints were of an insufficiently fault-tolerant design and when the vehicle was launched at below-normal temperatures, hot exhaust gasses leaked on ignition, damaging the integrity of the field joint, leading to a breach in the external tank and destruction of the orbiter.
Video courtesy: NASA
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I love how the failure was blamed on “Unacceptably faulty design” and not “we didn’t listen to Morton-Thiacol engineers when they told us 53 degrees was the lowest temp to launch at”
and also, they blamed the engineers of Morton Thiokol and NASA for the incident, and probably half of them got fired
Even i can see he angled the rocket wrong at the beginning of the launch. Their altitude was off and should've been angled more vertically to avoid a backdraft of the rocket boosters.
John Fitzgerald What? Please elaborate, I honestly have no idea where you got this idea from.
nasa be like: oh there's a problem that puts the crew at risk of literally dying and ruining nasa's reputation? yeah that's totally fine, we're go for launch!
Eli Zogby not how that works
My oldest daughter was born about an hour and a half before the shuttle blew up. Quite a memorable day of both joy and sadness. My daughter still has the newspaper that I saved from that day.
As a 10 year old boy in elementary school, they brought us all into the cafeteria to watch this ( what we all thought was gonna be) an exciting moment in history that most of us at that age at the time never had seen before. I remember this day like it was yesterday all these years later. It's something that'll always be seared into my memory. Such a tragic event. God bless all that were on that shuttle that day.
I was 13 years old and had watched this in my classroom
I was 15 yrs old in Ireland and watched this on the news but it didn’t hit me like it hit yourselves to me you’d be safer on that shuttle than a DC9 or 10 they were crashing every other day.
I was 7
So sad watching them unknowingly walking towards their death... god bless them
Nossa há quatro anos atrás faz tempo vu
they all still alive...research
baronito bujans research deeeeeeez nuts 🥜
baronito bujans They're dead. You can't survive a fall from that height
@@bluumish their still alive in my heart
The first time that a contractor went against launch but pressure was enormous and the result is still in our minds and will remain
This must have been a nightmare for the family members who were present. May they rest in eternal peace...
Christa's mom even had a bad feeling and had warned Christa and had tried her best to not let her go
Christa's sister was seen collapsing in the arms of who I presume was her brother. From what I have read, Steve, her husband went into seclusion following the disaster and has never spoken publicly about it to this day. I can't begin to imagine the utter devastation that man experienced. He was so proud of her.
This must have been so hard on the close out crew who saw them last.
Yes...they were their friends...seeing them every day and then in one second...........gone.!
Yes and some had their parents watching in the crowd
@@danbruno5945 Yes, Christie's parents.
I was sad to watch them while this explosion.
It's awful for a mom and a dad to live this situation.
R. I. P. team Challenger. Human life is so fragile, so sad to see them smiling marching towards imminent end.
You are 100% correct. That's what happens when you let project managers drive everyone to a schedule regardless of the likely results.
And yet nothing’s really changed, in whatever sector of thee economy you look at. People without the necessary backgrounds are placed to be responsible for groups of people and making decisions. The desire for growth and human greed never fail to destroy lives.
Exactly right. Cost and schedule was to blame that day.
Don't listen to the engineers? What could go wrong NASA; Boeing?
Man.... seeing them all happy and smiling in the white room, heading straight towards death without even knowing it because nasa's higher ups didn't want another delay.. so sad.
We can only hope that their deaths were quick and painless. Whoever was awake in the cabin trying to use the emergency devices, bless their souls..how terrifying.
This is the best Challenger video I have ever seen. It has the most in depth information by far for example this is the first video that actually points out the crew cabin after the explosion as it fly's through the air. Thanks so much for sharing this.
104% Explained:
The throttle setting (actually the output power of the engines) of "100%" is a spec which is fixed early in the design & build process. This make things much easier over time. For example, as later models of the orbiter are made or upgraded then all of the calculations do not have to be re-baselined based on the output power of each different orbiter. The 100% throttle setting always means the same thrust, but a new orbiter or engine may be able to do 104%, 110%, etc.
Nice explanation
Thank you. Always wondered about that.
Thanks for that, I now know less than before I read you comment.
Still hard for me to watch this just to know what's going to happen
they all still alive...research
@@bluumish there not alive have u lived in the 80's or 70's they died because the space shuttle blew up
@@bonnieskelton968 they all are alive ...some of them using their real names
i think its funny because it happened so long ago
Same here... Just knowing that they didn't knew what was going to happen and seeing them enter the Shuttle, it's really hard to watch...
(Even knowing that it could have been prevented very easily)
Rest in peace to all of them. Hopefully they are all in a better place now.
I remember seeing this in the second grade. Every classroom in our school was watching it live. We all feel silent when it exploded and stared at the TV and each other. We all started to cry once we heard our teacher gasp and start to cry. 😥
My son was also in the second grade when he and his classmates witnessed the disaster. That night he asked me "Are they all dead?" I did not know what else to say to him except they had gone to Heaven.
May each and everyone of them rest in peace😔
@@francissullivan6400 So you're gonna wear that on your sleeve? They were all equals. They were all astronauts. They were all American heroes. Everyone who proclaims to be a real American should be proud of them!
True my there so rest in peace
E
I was 19 when I saw it live on t.v. and at that moment... I knew what life and death was.
I remember that day clearly. An 8 year old at a Catholic school in Kansas City, MO. Our teacher told us what happened . I was heartbroken. Such a senseless tragedy.
Such educated people passed suddenly..definitely a loss. RIP
You haven't seen the videos showing them to be alive? th-cam.com/video/4TJVhdPtEkE/w-d-xo.html
Look into Project Isinglass. The *Space Shuttle" was probably just cover for Spy missions. And explains why only 1 of the crew members hasn't been found, and he was the pilot.
Watched the launch on TV in my Astronomy class my Senior year in HS. Not a dry eye in that class when we watched that horror unfold.
I was a junior in high school in accounting when we watched it on tv.
I was in elementary school...8 years old watching in class. Tragic.
😢
I was 31 and dreamed it was going to happen. I prayed so hard. Stayed out of work to watch it and cried for days after!
One of the crew members left their gloves in the astro van.
the cold weather definitely had a major factor in the challenger disater. Monday night before Tuesday morning launch pad was full of ice. the temp at launch was 36 degrees. NASA knew damn well they couldn't launch in cold weather. the weather has to be 54 degrees or above.
The pad was full of ice like it was other cold days and winters. Pipes are left to drip to prevent bursting. The ice on the pad never affected the orbiter.
jrockett73 its a bloody good indicator of how cold it was though, and if it is of no consequence, why is it noted that the pipes around the launch pad were engulfed in ice? And no, the cold temperatures had no bearing on the orbiter......It has a HUGE bearing on the rubber O rings that are used in the expansion joints of the boosters! And it was this that caused the catastrophic failure of before mentioned O rings! It should have blown up on the launch pad....but the expansion gap, that should have been sealed by the O rings was filled with slag from the aluminium added to the fuel....when a burst of wind..seen in the dogleg of the smoke after the explosion, hit the orbiter, it dislodged this slag thus causing the fuel to pour out, ignite, and blow up the main tank!
I read a good book about the investigation and in particular the decision to launch. My takeaway from that was something like this: when push came to shove, the engineers had only tested the O-rings to a low of 54°F, and had no data to prove what would happen below that temperature. They SUSPECTED the O-rings wouldn't hold below the forecast temps, but NASA wanted hard data. Thiokol managers recommended launch in the end because nobody could prove to NASA that there was a solid reason why they shouldn't go.
@@pommiebears The boosters are solid fuel not liquid. No fuel ever poured out. The fatal problem was first exhaust gases and then combusting fuel exiting the joint of the booster. Even then, had the plume of rocket exhaust been directed outward they would have made orbit.
they all still alive...research
"Go for throttle up"....the saddest words ever said in Space flight history...
could they have fixed it?
@@gnbilios They should not have launched that day. It was 15 degrees colder than they had ever launched before. Did you see all that ice on the launch pad ?...which as we know, affected the O rings on the SBRs...
Are you sure it’s that sad? They said it a 134 different times and it was fine on launch.
@@Docstantinople The space shuttle launched 135 times Doc......this was the only time "go for throttle up" resulted in the death of 7 people.....so in answer to your question, yes it really is that sad.
Darren AM yes I know it flew 135 times. I subtracted the one time during launch where it wasn’t successful and challenger blew up on launch. Actually I will go ahead and subtract Columbia too since the foam broke off and punched a hole in the wing therefore not making it a successful launch which ultimately led to the break up on re-entry. So in conclusion there were a 133 times where “go for throttle up” was good and 2 times where it was sad.
This could have been prevented
*SHOULD have been prevented
@@tendiefundies4355 Learn self control, and manners. That was uncalled for.
The engineers had warned them about the right SRB problem, but they never listen or they neglected it.
they knew about the flaws of the o rings, but they had to get the teacher up to keep funding from congress
That's true. I saw another doc about this, and every person said they wanted it to be rescheduled, but they were pressured into launching. Interestingly, nobody seems to be the one applying the pressure.
The saddest part is watching the start as these doomed astronauts walk calmly to their deaths.
Horrible considering it could easily have been prevented by following the design limits of their craft as specified and waiting a few hours for it to warm up!
Very intriguing. Thanks for posting this. The one part which showed the flame slowly creeping out of the SRB and into the tank was, well..scary. First time I'd ever seen this clip.
Airboyd, your channel is one of the best on TH-cam. Greets!
this is how documentarie should be to the point no emotions no excaturations just to the point
oh cats
J IJzer unfortunately it’s filled with half truths and misdirection. Several more accurate documentaries have been made. Also a book by one of the main engineers and designers involved with the program who warned NASA there was a problem that would lead to a catastrophe wrote an extensive book about the disaster called Truth, Lies and O-rings.
It's also a really annoying computer synthesised voice, which means that many people will have skipped through the video, or simply have muted the audio, thus missing out many of the inaccurate comments.
RWBHere Its a real persons voice. His name is Peter linstrad.....
Spelling and grammar are critical components of credibility. I'm talking about your credibility, J IJzer.
Best documentary on the topic. Thank you, AIRBOYD.
This launch should NEVER have been allowed to happen! NASA knew this was a MAJOR possibility!
Informative video, thanks for posting. I can only imagine the anguish of so many bright people studying this incident so thoroughly. It really was picked apart one millisecond at a time. I remember the day - I uncharacteristically went home from work to grab lunch, and I heard it on the radio as soon as I got in my car. Later, I saw the TV footage. Sad day.
Airboyd, thank you for sharing this video. I gave your work a thumbs up but the circumstances were horrific! I watched this live in 86 at a cafeteria at West Middle school in Greenwood, Co. My teacher Mrs. Collins was best friends with Christa McCollough. I remember the students cheering the explosions out of ignorance. Mrs. Collins was devastated and I silently thought “dear God they all gone!” I haven’t thought of this in over 34 years. I had no idea it was so cold. That ice buildup was something I never knew in all these years. May they continue to rest in peace.
I lived in SW GA at the time and as cold as it was at the Cape, it was even colder where I lived, in the teens.
Nothing like watching this on the tv in your 2nd grade class room.
I was in 2nd grade as well and our principal had our whole elementary school go into the gymnasium and showed the school what happened
Unless you were in the 3rd grade. 😋
We were in 3rd grade... 😥
I remember it like yesterday....you know the tv and vcr they had on a rolling cart that never really worked?.....we were horrified..the teachers were all crying and shit and for us it seemed like the whole world was coming to an end and all of us were screaming for mommy and daddy.......hell i still do it with this stupid covid shit goin around...smh
I was in 5th grade
Watching the explosion at the beginning of this brings back waves of emotions. I remember attending high school along the Space Coast, and our teacher allowed us to step outside to watch the launch. The quiet that fell over the campus was palpable. After having watched so many launches, you knew what it was supposed to look like. When the explosion occurred, it was positively devastating. The rest of the day in classes was a total wash. Nothing was accomplished.
Incredibly sad.
I remember watching in my class. I was in 6th grade. The entire school went so silent you could have heard a pin drop. Then a lot of tears from everyone as the reality of what happened set in.
@@jaydouglas8845 we know but because it looked like one that’s what people called it. Truth be told many things look different in hindsight.
The worst part of this is they did not die in the explosion. This means they didn't die quickly. Imagine the wait knowing your going to die. I can't imagine the terror that was felt. It was close to a 3 minute fall to the water. I'm sure it felt like forever!
That’s exactly what happened which only makes it even more horrifying. Of course this was all covered up at the time
The hardest part to watch has always been when the come out to applause and their names announced. They are smiling and waving....true heroes to walk out of those doors, never knowing what would happen so soon after.
Roger Boisjoly is an American hero, his compassion for people's lives, his ethics, his knowledge and professionalism. He deserves the nation's highest honor for his efforts. To prevent this from happening.
Thankyou for uploading this Documentary on the Detailed Analysis of this Devastating Explosion.........
Hello it's 2020
jos john ten years late
The crew died of blunt force trauma: crew cabin hitting the ocean at about 206 mph. They were not burned or severely injured by the break up because (as noted in the video) aerodynamic breakup was the cause, not explosive breakup. The official report says that the crew was likely conscious for at least a few seconds, but "probably" lost consciousness due to loss of cabin pressure. No one will ever know. RIP Challenger.
Story Musgrave said that they were most likely conscious by the time they hit the water.
I can't believe it's been almost 40 years ago.
that was incredibly enlightening..glad I took the time to watch.
This disaster was a complete horror...Challenger did not explode like 99%+ of people believe. The entire assembly broke apart due to the aerodynamic forces imposed on the structure. What does this mean? Most, if not all of the crew members fell for over 2 minutes knowing they were about to die in a terrible way - hitting the ocean at hundreds of miles per hour and they didn’t know exactly when it was going to happen...for me, that is true horror.
It was said that the crew was killed not by the explosion but when they impacted the water.
It’s likely that the Challenger’s crew survived the initial breakup of the shuttle but lost consciousness due to loss of cabin pressure and probably died due to oxygen deficiency pretty quickly.
Dark Light you seem sure of your response regarding the condition of the astronaut’s bodies. How do you know this type of information?
Dark Light ,,,,Thanks for the visual 👌
Just like most of plane crashes. People only lose consciousness. It was like a plane cash but with a huge fuel tank disfunction
@@SinisterMud they said that the cabin remained intact and pressurized, so maybe the astronauts got knocked out clean
“The cast and crew of Star Trek wish to dedicate this film to the men and women of the spaceship Challenger whose courageous spirit shall live to the 23rd century and beyond..." This dedication accompanied the release of Star Trek IV: The Voyage Home.
Yep I loved that.
Relax...it was a hoax..They are alive and well.
SeedPlanter You’ve been fooled by fools
@@Icemanin1994 I can explain it to you but I can't understand it for you ..th-cam.com/video/vBUSIzaS0ws/w-d-xo.html
What r u taking about?? Idiot
I remember the news at the time was saying , and this was days after , that NASA was still picking up body parts from the water , so now we are told they survived the explosion.
Hamsandwichindahouse No I'm not , and i can still remember seeing the boats on the water and my mum feeling sick thinking about it. I'm 43 yrs old i do remember the eighties.
Jon Killings that is what the news said back then. They did find the bodies two weeks later inside the cabin.
Who is here because the documentary of Netflix?
I haven't seen it yet, but want to! Just one of the astronauts dies, right?
J Rawlins no, they all did.
Please name the Netflix documentary
rafique pathan Challenger: the final flight.
@@flavf2494 thanks
"obivously a major malfunction..." What's gotta be the understatement of the century.
Zzddytt He didn’t have camera view he didn’t know it had exploded. He was going on reading data
To a non familiar with the shuttle launches eye I guarantee you it could seem a normal thing
It's just how NASA is. Air heads.
Houston command center didnt have eyes on it like Florida did. I bet they have now though.
...and a preventable malfunction.
This is why the Soviets never televised their launches in real time.
Jon Brahms None of Soviets fatal incidents happened during the launch, so they are not got caught on tape anyway
"The Solid Rocket Boosters continued in flight... and were destroyed by the Range Safety Officer 110 seconds after launch." It took this moment, 35 years later, for me to learn that's what happened. I was always curious.
I remember owning this on VHS, which was in a box set compilation of a bunch of NASA films (including films about Mercury, Gemini, Apollo, and the Shuttle; the final tape was basically an overall history of NASA).
What surprises me was how cold it was that day. I went to Florida in December 2006 and July-August 2013 (both times with Disney World in mind, with a visit to KSC in 2006). The temperatures on the 2006 trip were mild and comfortable, with only one big rainstorm. 2013 was another story. It was absolute hell. The temperatures were unbearable and may have made me sick, and the thunderstorms were severe (we were trapped in the Mexico Pavilion at Epcot one night, where I learned of one of the biggest atrocities ever committed on Adventure Time). The upside of the 2013 trip? It desensitized me to thunderstorms at long last.
So yeah, it's hot or mild in Florida. But cold? Unheard of for me!
I had that set too!
I had the same VHS - I loved this tape, I was like 12
That's Climate Change for you.
Blaze_007
Actually, cold snaps even freezes were common in Florida in December and January. Climate change has wrought mild winters. We rarely see that kind of cold anymore.
Oh yeah, I had that VHS set too! Really cool to see many of those up on TH-cam now - I just about destroyed each one of those tapes back in the day; easily watched them 50 + times lol
Brave astronauts, RIP
These individuals were truly brilliant in there chosen fields and to think of how long and hard they worked to reach this level of opportunity only to die as they did is beyond tragic!, remember it like yesterday 🙏
Yes, they recovered the bodies. There was evidence they died on impact of hitting the water and not during the explosion.
Pieces
@@alexandreluizalves yes some of them were regonisable
All I can say is never forget Roger Boisjoly. He is a pure hero!
They handled the teacher an Apple...everyone passes by teachers in life to become someone, be it a cook or an astronaut, be in Peace all of them.
♥️May I please steal your quote? For my mother, she’s a teacher.
@@mulliganstew72 sure!
I barely remember this on live TV. What I do remember is my elementary school teacher completely losing her shit...
Same here. I was in 2nd grade at the time, and we did have a TV rolled into the room for the launch. My teacher had been talking about this launch for weeks; she was from a town in NH near McAuliffe's hometown. I remember watching it clearly, until about 3 minutes after the incident and it was clear there was "obviously a major malfunction." Then, all I remember was Mrs. Gaucher hauling ass to the front of the room to turn off the TV, and her having a 10 minute conversation in the hallway with several other teachers.
When this happened I was 19 and I worked in residential painting. We were painting the exterior of a residence and I had brought along my small black and white portable tv to watch this. The main reason I was SO exicted to see this was because it was the first woman to fly in a space shuttle and especially that she was a civilian. A teacher! And I freaked out and was so speechless when this happened. I yelled to my friends, the other painters, to come over quick. I was speechless as I mentioned. I just pointed to my little tv on the grass and kept saying, ''Damn!'' ''Damn!'' I was really overcome with horror and sadness at the same time. I will never forget it.
Narrator has perfect tone for subject matter!!!
Bureaucracy killed them.
Actually... Lee Harvey Oswald killed them.
And before you go "Wait, _what_ ?!", here is the chain of events...
Kennedy wanted to cancel Apollo, because it was getting expensive, make a joint US-Soviet mission to the Moon. Oswald (unaware of this of course) killed Kennedy 2 months later. LBJ -- as a way of grief-coping the nation through these hard times -- asked that Apollo continue, to "honour Kennedy's legacy" and fulfilling Kennedy's promise of a man on the moon before the end of the decade. Congress agreed.
So NASA got _lots_ of funding, and this kept the Space Euphoria of the 1960's fuelled and going, culminating with Apollo landing on the Moon.
In the mean time, plans have been drawn up for a space station, and a space shuttle for that station, and tons of other space projects, all a result of the Great Space Euphoria that was raging.
And then came the Big Space _Ennui_ of the 1970s. After that "one small step for man", everyone want "okay, that was fun, now what? Meh...bored now". Congress looked at the bill for Apollo and went "Oh my...". So in the early 1970s, with social reform at home and a war in south east Asia raging, Congress cut down on space funding. Space projects started being cancelled for lack of money.
One of the axed projects was the space station. But _not_ the space shuttle, NASA kept that one alive by going to DoD and asked them if they want to join that project and fund it. "Okay", said DoD, "but you need to build it to our specs then, and we want to lift some pretty big things to space". NASA agreed, and up-speced the space shuttle, making it bigger and heavier and -- most important -- more _expensive_ .
Come the late 1970s, and DoD did an about-face and went for unmanned rockets instead of buying a share of the Space Shuttle. NASA was suddenly stuck with a very big, very heavy vehicle, and no paying clients. Congress was still holding on tight to its money and said "We are not sure we want to pay for that huge thing".
NASA went into a panic, and tried to get as many flights in as possible, to show that the Shuttle was worth the money. And this drive -- to get as many flights in as possible -- is what made them nag down Thiokol and start, despite it being too cold.
Without Oswald killing Kennedy, Apollo might have gotten cancelled, and with that the space euphoria might have simmered down a bit, and with that the insane spending would have quieted down, and with that more realistic space projects might have been planned, and with that, there might not have been a big heavy space shuttle at all.
Maybe, just maybe, Lee Harvey Oswald killed 7 astronauts, January 28, 1986.
Michael Karnerfors so basically the Big Bang killed the astronauts
@Joe Jack بعد تزه
@@proud90skid15 "...which was in turn because… and so on back to the initial and highly controversial creation of the universe".
@@michaelkarnerfors9545 one slight issue. Oswald didn't kill Kennedy, he was the scapegoat.
Skip to 15:04 to pass by the accident footage
Excellent, thorough analysis!
Ужас.. Вечная память погибшим астронавтам🕯
so basically the crew pit cabin was still tact after the explosion and they just fell to their death?
hey there ,it's 2020 ...9 years
coroonaaaa!
Fuck yeah
Xd
Greetings from the future
Definitely proof of what can happen when managers ignore what engineers tell them and base their decisions on meeting time lines and budgets. It could have all been avoided.
As Richard Feynman said in his report, the decision to launch was based on the fact that previous launches in cold weather had been successful(although 15 degrees warmer). He equated this thinking its ok to continue playing Russian Roulette, because the gun hadn't fired yet.
What annoys me, is that there are people who think that these 7 people are still alive. You can clearly see them climbing into the orbiter.
You don't think they could have exit right after the camera crews left? You haven't seen the videos showing them to be alive? th-cam.com/video/4TJVhdPtEkE/w-d-xo.html
Look into Project Isinglass. The *Space Shuttle" was probably just cover for Spy missions. And explains why only 1 of the crew members hasn't been found, and he was the pilot.
@@Flat_Earth_101 Thr fact that only one person, me, has responded to your post should tell you just how ridiculous it was.
RIP to the challenger crew 😥❤
The crew cabin remained intact after the explosion. Several of the crew members had activated their emergency oxygen masks. Unfortunately, they were probably conscious until they hit the water.
It wasn’t an explosion it disintegrated based on sheer dynamics
are you fucking serious,how could anyone survive that,they were in a motel room you stupid prick
Bermsy Fructa Google your question and get the answer. Most experts think they survived the explosion because of the evidence they found.
I don't know why people are arguing against this. It's a fact when the crew cabin was recovered, it was 3 PEAP devices were noted as activated.
@@tonycornwill9008 There is no need for that kind of language.
If you would have paid better attention, it is mentioned (at 32:10) that the crew compartment stayed intact after the breakup of the orbiter.
Every documentation about the challenger desaster points that out.
th-cam.com/video/uqcd_3daPQ8/w-d-xo.html
It is also said, that there was no explosion (31:28) but a massive combustion of fuel.
Hurling insults only reveals your lack of comprehension.
Next time think before you comment!
oh my god....
I'm speechless by how horrible this is
RIP those who died in the challenger
god bless their families
;-;
And despite the poor decision to launch in the first place, the Challenger could have survived if it weren't for the wind shear that shattered the temporary oxide shield that had formed in place of the damaged O-rings on the SRB and allowed the flame to rush through.
When Dick Scobee told his wife the night before that they weren't going to launch due to the cold. Then calling her in the morning telling her that they were launching after all. She said he sounded surprised but resolute. He didn't realize that decision was solely based on certain higher ups not wanting to be embarrassed by delaying the launch. They thought only of themselves and their status. I hope they were haunted every day since then. RIP
*Remembered live on t.v., yelled out to my girlfriend "Hey The Shuttle Just Exploded" I'll never forget!*
😢
Omg 😔😪
@@gurpreet3878 😥
@@Ralphie_Boy very sorry my brother 😥😢😰
@@gurpreet3878 😷👍🏻
Made me cry seeing some of the parents to these crew watching in the crowd
RIP.
Very informative. I was sitting in my second grade class watching the launch live, when boom. Still sad to watch. We never know when our time on earth will be over, or how. Unless you do it yourself.
What a tragic year that was. Call can high school a month earlier had suffered a loss of a student who had come into the school with a gun taking to hostage's police eventually shooting the suspect and killing him. And then a month later this tragic accident it's amazing all these years later looking at this footage and remembering exactly where I was and how I felt that day
i wish i could go back in time and tell them watever you do dont go on that space ship i will xplode but i cant and i watched this for a few and it made me so sad in heart :{
65mill people die every year
they all still alive...research
No, he didn't. Even if any of them were still conscious after the orbiter broke up, which may not been the case, none of the astronauts had any sort of control. You can't attempt to glide anything if all you have left is your tumbling cabin. They were doomed the moment NASA ignored their engineers and gave the go-ahead for launch.
Three of the crews PEAP air packs were activated and there is no way this could accidentally happen. Smith, Onizuka and Resnik are all on. Scobee's was not activated.
The other three PEAPs were not recovered.
The amount of air used on PEAP matched the time it took to fall from 40k feet to ocean.
The impact of the ocean was fatal at 200mph or 200gs
It's so sad that deviations were gradually allowed that increased risk... for example original design specs stated the ET was not to shed foam or other debris; therefore, strikes upon the vehicle were safety issues that needed to be resolved before a launch was cleared. Launches were often given the go-ahead b/c they were seen as inevitable and unresolvable, with the rationale that they were not a threat to safety, or an acceptable risk. majority of shuttle launches recorded such foam strikes.
Thanks, Reagan!
What the hell does that mean??
12:51 chilling to watch 😢
I like how this gets straight to the point!
@ILSRWY4 The space shuttle solid rocket boosters were deigned to be throttled through the use of dynamic propellant geometry. For example, the pattern in the middle of the boosters, which aids in ignition, is not circular, but shaped like an 11 point star. This significantly increases propellant burn rates, therefore increasing thrust. The boosters were designed to throttle down before max q (the maximum forces the vehicle experienced during launch) at the same time as the main engines, by altering the propellant ratio (not really sure how they do it). After the vehicle is super sonic, the propellant ratio is alter again to increase thrust. All of this tweaking was done months in advanced, by putting slightly different propellant mixtures into different horizontal layers of the booster. But you are correct on the point that the boosters can not be controlled in real time, and there's no stopping them once they've started.
Thanks!
The solid rocket boosters were certainly not designed very well especially considering that they were to be reused many times. It is a shame that the money and extra work was put into a very dependable parachute system to assure their reuse and not into the actual design so that this would not happen. Rubber o-rings in greased grooves sounds like something that you would find inside my locking hubs on the front wheels of my 4-WD F-250 and not on such a high tech machine that peoples lives are dependent on working flawlessly. Morton Thiokel built those things and they knew that it was not a great design. It should have been redesigned as soon as they became aware of problems and not after 7 people had to lose their lives. Very sad, sad indeed. This happened the day after my 22 birthday 1/27/64.
The thing is, in ALL forms of big ticket risk/reward items in ALL categories.. particularly aerospace and aviation... just because there is a known problem, never instigates a resolution... it ALWAYS.. in almost EVERY single case, requires death to warant spending the capitol on changes. Its asinine.. particularly in commercial aviation.. where you are risking more than just the volunteers lives.. never the less that is the world we live in. =/ pricy problems are only forced into the "fix me" list once there have been sufficient death to warrant the repair. And even then the only reason they are added to the fix me list is due to the fact that the plublic has a close eye on aerospace and aviation crashes in general... if we didnt watch so closely, the people that spend the money would not spend it nearly as often :P
pyrite1978 They call this 'tombstone technology'. Another good example concerned the design of the cargo bay doors of the McDonnell Douglas DC-10. See 'Aircrash investigation: Behind closed doors'. One plane had to crash land (no-one died), and the company made superficial changes. Another plane crashed for exactly the same reason, this time killing 346 people. Only then were the door latches redesigned.
Gilbert Evans yup.. another reason I wanna move to another planet! :P
pyrite1978, the Catch 22 is that, to go to another planet, you'll have to use a -barely controlled explosive device- rocket at the start and end of the journey.
The solid rocket boosters were designed extremely well, thousands of hours of research, study and experimentation developed a system that proved highly reliable, please do not blame the engineers for mistakes made by other agencies.
After all that no mention of or photos of the crew cabin. They mentioned everything else.
34:00
Other launch videos show leakage around the O ring. We were very lucky others didn't explode. This should have been caught long before Challenger.
I remember that day just like it was yesterday, I was working my way through traid school, delivering news papers was one of my jobs, I delivered to a lot of business places, plus a few homes, the paper that day was over one hour late, so they could get the story into the afternoon paper, several people were standing their waiting for me to get their with the paper, with the bad news in it, I keept thinking of the song, American pie, Bad news on the door step, yup, that was a day I will always remember.
They should never have launched, but they had to get the teacher up or congress would withdraw funding. It was also the State of the Union speech that night and having the teacher up would allow the President to talk about it.
Anthony Kernich It was all because of Lawrence Malloy
The Shuttle was a downgrade from rockets. It’s a plane awkwardly attached to a giant explosive tank. It was never a safe design to begin with that only looked cheaper for being “reusable”
@@Cinicraft00 You can't blame them for trying, back then that was the only way they could get reusability. Rocket scientists for years thought that SpaceX style propulsive landings were pretty much impossible until the 90s and even in the 90s no one could do it at orbital velocity from orbit.
Was a fake hoax.
@@michaeladcox2507 The biggest mistake Stanley Kubrick made in the movie 2001 was giving the apes enough intelligence to operate computer keyboards, which is evidenced by your comment.
Always remember this awful tragedy. Watched tge launch in live TV.
I cannot believe that so called rocket scientists and engineers were unable to realise that if you put rubber rings between two joints in freezing conditions, the rubber is going to get hard, and fail to do the job their designed to do. Anyone whose had a car with a power steering box will know that it will leak oil in cold weather through the rubber seals, until the car has been driven for a while, so the steering box has had a chance to warmed up and make the rubber supple enough to do their job. It's not a big problem in a car, unlike a rocket engine!.
Based on data, some if not all survived the explosion and either died due to high G's during the fall or hitting the water.
Almost all aircraft can exceed it's maximum normal thrust limit. Normally up to 105%. But they are usually only allowed for a short period of time because the excess thrust can damage the aircraft. For example, Military aircraft can go into "After Burn" which is the same as 101-105% of Military Power.
The pressure from politics was even higher than the pressure in the tank, then it broke the oring.
Did anyone notice Ronald McNair inspecting that hatch extremely close? Kinda weird how he was looking so deeply at the seals etc. I wonder if the crew new about the o-rings in the fuel tanks and that’s why he was inspecting the hatch seals so closely? Either way may all them Rest In Peace! Christa was a teacherfrom the next town from where I live. She was so admired by the whole state of New Hampshire. I’ll never forget my whole school watching this I was in 5th grade in mrs lapoints class with all of 5 gold. So sad too remember that day. Such a tragic moment.
i believe that one of the previous launches was scrubbed because they couldn't get the hatch to seal closed properly... so he may have been inspecting/looking at the repaired hatch
RIP :(
Those pale blue overalls the crew were wearing were in tone with the clear blue January sky that day....
The last words anyone heard Christa McAuliffe Utter were good morning.
She probably said quite a few other things to her crewmates before the launch.
They said other things that this post that we can't see .like the fear and the screams on board .my heart is still hurt behind NASA bull crap and they wear warned they only thought of there victory and reputation. Til this Dad I hope they are tossing and turning in there own selfishness
Well she then said 'i hope so too' in regard to 'i hope we go today' and later responded to a com check
@@bootssocks9016 I take it English isn't your strong point
@@bootssocks9016 the crew had no idea that anything was wrong. I am not really sure what screams you are referring to..you can watch the full launch here on youtube, uncut. The sad part is the explosion did not kill them. It is even sadder that NASA allowed this as not even airplanes will fly with ice involved yet rocket scientists would..that's the sad part...their lives clearly were not important enough to postpone the mission again.
I love the way this dude is talking his description of the facts
I’m glad they can’t see how awful this world has gotten since their gallant sacrifices.
It’s so sad to watch these astronauts and know they were going to die shortly after takeoff. This accident set the space program back years and it was avoidable, but NASA didn’t want to listen to the advice of the Morton-Thiokol engineers that the launch should be delayed (again) because the weather was still too cold. President Reagan also put the pressure on for the launch because he wanted to talk about the success of the mission during his State of the Union speech that evening-which obviously didn’t happen. This was a big deal because of Christa MacAuliffe(?), who was chosen to be the first teacher in space among thousands of entries. A very sad day and I remember it very well, very sad and eerie to see this....
I think NASA purposely made the voice so robotic cause of how correct they were to not launch.
I watched this live in the 6th grade at Mercy Mount in Rhode Island. Very sad... RIP to all the heroes...
Saw this tragedy when i was 10 years old at school and always thought the crew were consumed by the explosion for all these years but only learned the truth what happened to them just last year.The capsule hit the water at 350km/hr with an impact of -20 GForce.I couldnt imagine what was going on during the 5 minutes of freefall back down to earth
_"Why did they have to die like that?!"_ - Well, this is exactly what happens when public programs are run like corporations. NASA made a purely PR-based decision, namely to launch despite conditions far outside the specifications because they wanted to avoid public discussion about the costs of the shuttle program.
And they repeated pretty much the exact same thing with the Columbia disaster, when they decided against having the crew examine the potential impact damage in space, and therefore also against rescuing them (which would have been possible since another shuttle was far along preparations at the time).
At the end of the day, it was about money. They deliberately put the astronauts' lives at risk, and they did it all for money.
l well the engineers said to abort the launch. But those businessmen wanted it done.
When it stops being about money, that's when you'll see the end of the space program. That's just the way it is.
Morton Thiokal didn't produce any temperature data of any kind with regard to effects on the field joints. They were just assuming there would be problems on what was shakey experience of a previous launch. Hardly criteria for reasoning a no launch position. Columbia was a different event. NASA decided against using satellites that could have taken pictures of the wing damage, and there was damage, for appraisal. A disgraceful event with no excuses.
The Shuttle Program was not in the public eye at the time. None of the Big 3 TV networks broadcast the launch live. The only one was a small local LA network.
They had to get the teacher up because it was the State of the Union speech that night.