"Hypergolic chemicals sound very dangerous, but you just need to keep them apart, you know." University sub-orbutals team leader, who is a Computer Science Engineer student, couse who else would you trust with building a thing to shoot into the sky, than us comp.sci. folks...
This is S tier content. Brilliantly put together, exciting to watch and I can't wait for Buran! I've got interested in this more recently since I designed my own next gen shuttle in KSP that I think improves on this a lot. Makes me sad it didn't happen irl. Was capable of so much more if they just developed it in the right way. I might make a video on it myself at some point explaining
TOOK ME A COUPLE MONTHS TO LEARN but oh my god I am so ecstatic that a person like you has even seen my content. your videos are so damn awesome and researched to an incredible degree. to have one of my piss poor videos in your description is nothing short of an awesome honor. KEEP IT UP MAN!!! LOVED THE SHUTTLE VIDEO!!!!!
Now way!! So happy to see you here. Can I let you in on a bit of a secret? Your Rockwell video was the inspiration that got me started on the Shuttle video.
18:08 Love the shade thrown at the SLS. It's an impressive rocket to be sure, but if they were going to throw the engines away with each launch they'd probably be better off with something like the remade Rockedyne F-1
Just want to add that Wired has since reported the supposed reasons hull scans were impossible (not that they absolve OceanGate even a little): "Later, OceanGate engineers found that Titan’s full-size hull was too thick for portable ultrasonic scanners, and a coating Spencer had applied to it would further block the signals. Rush decided that moving the entire sub to a lab for scanning would be too expensive, says a former employee who was familiar with Rush’s thinking."
Because Britain only cares about Britain and how much they can take from the rest of the world. Giving back isn't really something they would even think of.
1. Excellent network quality production right here. 2. Why wouldn't you share a 40 page report to the saftey director? 3. Why is the Nitrous Oxide tank material treated like classified information, and what's it pressurized to? 4. There are a host of other issues that leave one bewildered to the point of switching from a neutral perspective to outright sketch AF perspective. - Surry Virginia USA 🇺🇸
I'm interested in some other tripropellant rockets - ones using magnesium/aluminum along with LOX and LH2. Magnesium/aluminum oxides seem to be available on the Moon, for example, so this could be an interesting propellant combo for ISRU. However, as near as I can figure, these skew the propellant ratios even more toward LH2, so you end up needing more LH2 than ordinary hydrolox (which can be even be reduced near sotchiometric at the expensive of Isp - we're talking 1:8 rather than 1:4, almost halving the LH2 needs after taking the Isp hit into account). The thing is, the most convenient resource out there to get LH2 from is water ice, and you get LOX almost as a "free" waste product at 1:8 ratio. So saving some lox while increasing LH2 logistical requirements just isn't a win. Magnesium/aluminum fuel can still be useful with other oxidizers, though, like water or CO2.
unfortunate that they never got to know that they were the stupidest persons in the ocean unfortunate that atomisation kicked in before they could percieve that
There is a fascinating book by the name of "Truth, Lies, and O-Rings" By Allan J. McDonald. What makes it one of my favorite reads on the Challenger disaster is because Mr. McDonald was one of the engineers of Morton Thiokol at the pre launch meeting for Challenger. His book gives insight like no other I had read from the thought processes that he believed lead to the change in decision by Thiokol from "No Launch" to "Launch," to the Hearings during the Presidential Commission, and all the way through the rather difficult times he had in the company after testifying and booster redesign. Another wonderful book that covers the subject, though in part, is "What Do You Care What Other People Think" by Richard P. Feynman. While being an entertaining read from a very interesting man, it goes over his time as part of the Rogers Commission. If you have some spare time to read, or prefer an audio book, I believe both these titles are worth your time.
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-lhO-v1wMe3M.htmlsi=EuGDA6hqOsyq_M0q The book ‘Backroom Boys’ also has a good chapter which covers the history
Not in 1971 you couldn’t. Rocket Lab do that for their Electron rocket now though. It uses lithium batteries - even the best super capacitors don’t have anywhere near the required energy density.
RL-10 has higher ISP then both RS-25 and the soviet engine. But I guess you may disregard it if it can't be used in sea- level, and in the vaccum an areospike prototype for venture star has a higher isp. RS-25 is kinda overrated but is still very impressive considering the time it was developed.
Have you read the new article in WIRED? a journalist did tease apart fact from fiction in it. I think kit would blow your mind. For instance the viewport was only rated for 625 meters!
This seems like more an indictment of current systems / a few companies. If the cost to do SpaceX based tourism falls to a point I can afford - I would feel very safe aboard a system that’s been properly certified and that Elons blown up every possible way. I do also think - that while it doesn’t alleviate the burden on companies, and think it sounds like virgin galactic has been morally dubious…. There is a personal responsibility to look out for yourself not dying. E.g. with the titan mercury sub - it sounds like the company lied, had poor testing etc. and I feel bad for the passengers. That being said - if I’m on one of the first 100 iterations of something - I am doing my own diligence. If I can spend $250k on some expedition, I can also track down and get into contact with 3rd party experts in the field. And in that case - much of the industry was warning of this long before it happened. It may not be easy. And maybe the company “should” be doing this for me. But given that I want to keep me alive - I think i can stomach a couple a couple months of light research and networking to get some second opinions.
Another side of my opinion - I also think people should be allowed to take these risks to an extent, just as people can climb Everest, try experimental drugs etc. I think the two things that should be necessary are 1) maybe not in public marketing, but for would be passengers - make it clear the risk is not known. 2) possibly some tests on mental acuity and critical reasoning of the passengers. I do understand that plenty of people would naively assume it’s safety, but I think say - a trained engineer - should be perfectly allowed to decide for themselves. Not because they’re engineering skills would let them assess - but because they would understand the gravity of uncertainties. And everyone has different tolerances. Personally, I’d probably fly at a point with much greater certainty than now, but not require the full certification level certainty. Since I have a reasonably high risk tolerance, and those certifications should really stand for a very well inspected, safe product.
I never really made it clear in this video but I agree - I don’t think anyone should stop individuals from taking risks. I make videos like this to basically point out ‘hmmm this seems deceptive/dangerous’. Unfortunately some people (not you!) misinterpret that as me saying ‘this should be banned’, but that’s not how I feel. The legal side of things isn’t my department or interest - I’m just pointing out dubious engineering practices. With respect to personal responsibility. Personally, I just prefer a certification body to do all that hard work for me. That’s how most industries where life-critical systems are used operate.
'the myth of informed consent' is a really interesting tagline... and it keeps becoming more and more relevant because of how billionares keep being dumb tourists like just go to istanbul like the rest of us it's very nice there
As soon as you started describing the gameplay I was immediately struck by the similarities to No Man’s Sky, down to the polygonal structure of the space stations. I think we have a spiritual successor on our hands
Aaaaaah! dear sweet wonderful Elite. Along with motorcycles, this cemented the friendship between FRED & the Lemming along with the latter’s recovery from relationship disintegration. (There was considerable difficulty in transporting 29 tons of drugs…..ZERO difficulty in the sales…) Kindest regards from Oz 🇦🇺
This whole thing was a clown show and i find it very funny. At least Rush can ask the Titanic's crew what really happened. He will eventually find out Titanic's secrets just not in the way he wanted. What a clown. One would think that getting turned into a red mist in a matter of ms would make a rational being not cut expenses when it came to safety. Rush rushed and got what he deserved.
There is not a thing wrong with this submersible being made of carbon fiber, however, it cannot be certified for more than one dive to depth. The tube must be replaced after each dive. Old tubes must be destroyed and discarded.
Watching the build of the vessel reminds me of an amateur building something in their garage. And I’m confident he hired young people because he didn’t want the criticism and reality checks senior engineers would most certainly provide. A clear case of ego and hubris leading to unnecessary deaths.
The off the shelf electronics are just cheaping out. There is another non-trivial issue with commercial electronics, they are not rated for the high moisture environment, especially with salt. They WILL rust fast, failing unexpectedly in unexpected ways. A corroded connection may not stop the signal, may only partially block it leading to unexpected commands or noise that is interpreted as commands. Thanks for mentioning Apollo 1 & Gemini. Have you seen the unofficial transcript of communication with the sub? In it, they got warnings from their "sooper special crackle detector", and ignored it! In a reasonable setup, that would probably be an automatic abort, no? In the unofficial transcript there is another glaring (to me at least) issue. From the very first check in they were going down "too fast", aka faster than average expected RATE. And the RATE of DESCENT kept INCREASING. I would have thought they would have a checklist for time and depth. The descent rate could have been a red flag at the first check in and abort indicator by the second check in. It sounds like they had a leak somewhere and started the dive with extra weight, in form of water, and picked up more as time went on. By the time the eventually tried to abort they were borderline overweight. When they eventually dropped the ballast and frame it was too late.
Carbon fiber is designed for lightweight applications lke in racing. It has no business in deep ocean water that requires strength to withstand pressure.
I wish I could say the video at the end took me by surprise, but I was a teenager in the 90s. There had to have been a single company making every training video back then. From a fast food restaurant to an industrial plant that built titanium knee and hip replacements, almost all of them were just like that video.
I can not believe just how improvised and mediocre the Titan looked. Delaminations can be seen on the cylinder when the titanium ring was being installed. That oceanic trashcan was garbage from the beginning.
1:08:07 The last line of defense for shuttle apologists is always Hubble. "How could we have ever serviced Hubble without the shuttle?" We wouldn't have and shouldn't have. We would have built 5 telescopes and launched one every few years as needed. The whole notion that Hubble could not exist without the shuttle is built on the fallacious premise that Hubble can't be replaced. Of course it can be replaced.
@@jshepard152 no because hubbles bigger mirror means it would see further than 5 individual satellites with smaller mirrors Also I am curios to why you think mirrors are a lost technology.
