This Mach-5 engine will do what no other can | Challengers
Hermeus is building the world's fastest commercial aircraft. And we got to tour their hypersonic flight lab.
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The aircraft startup Hermeus is aiming to do something unprecedented: build an aircraft that can take off from sea level, hit hypersonic speeds, and land to be reused, all while using one jet engine.
To achieve that goal, Hermeus is experimenting with a demonstrator aircraft called Quarterhorse - a small single-engine autonomous vehicle designed to test the company’s one-of-a-kind engine and briefly hit Mach 5 to collect data.
Freethink asked Hermeus whether early experiments with Quarterhorse are likely to succeed. The answer? No. Failure is still the most likely outcome. "And every day that inches a little bit closer to success, a little bit closer and a little bit closer,” said the founder of Hermeus. “And there'll be days when we go the other direction, where we learned something we didn't know, where we fail in a test, and we take a step back. We just keep moving, keep moving a little bit by bit, until we will this into existence.”
Watch on Freethink.com ► www.freethink.com/series/chal...
0:00 The Hermeus mission
0:57 Meet Quarterhorse
1:44 Hitting the runway
3:06 Supersonic vs hypersonic speed
3:41 Extreme hypersonic heat
4:54 How the engine works: Chimera
9:37 A testing failure
12:52 Vertical integration tech: The smart way to fail
13:31 Hypersonic passenger flight experience
16:06 The Hermeus moonshot
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Read more of our stories on hypersonic flight:
Coast-to-coast in 30 minutes: solving the physics of hypersonic flight
► www.freethink.com/space/hyper...
A 20-seat hypersonic plane is being built in Atlanta
► www.freethink.com/technology/...
World’s fastest passenger jet hits near-supersonic speeds
► www.freethink.com/technology/...
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Watch our original series:
► Hard Reset: freeth.ink/youtube-hard-reset
► Just Might Work: freeth.ink/youtube-just-might...
► Challengers: freeth.ink/youtube-challengers
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Do you think hypersonic passenger jets will become reality?
Absolutely.
No doubt whatsoever. Why? Because they're a stepping stone to single-stage-to-orbit.
Not while the leading edges are standard materials.
Concord was supersonic but it was banned from going supersonic over land due to sonic booms damaging peoples property . . But they are currently testing new supersonic aircraft to produce a very mild shockwave, and will be testing it over residential areas soon . . So yeah.... hypersonic passenger aircraft? definitly . But only for the super rich 🙄 😅
No. What Earth needs is efficient (perforce, subsonic) air transport.
The only absolute failure is not learning from a mistake.
Yes,Space X is probably the best example of a modern day aerospace company who success is rooted from its failures.
Thats called stupidity
@@Godscountry2732 No such thing as failure all is usefully data.
@PC Sorry. Im honestly new to it
You mean- like going from video to video admiring scammers, praising them for their work and fail to see the scamming? I totally agree.
As a pringles chip repair man, huge respect to these engineers
I have a can of Pringles that I dropped from a hypersonic aircraft in flight. Can I schedule a repair appointment?
A what?
A few of my pringles came broken in their packaging, could I please get a ball-park figure on the repair for these 3 pringles? Thanks. Kind regards, Elliot
Oh, the "Pringles" chip.. One of the only types of chips that China has been able to produce without stealing the technology first.
Thats a serious job - kudos!
As a 56-year old man who has an engine on each side of his head, huge respect to these engine-ears
That joke is corny as heck, speaking of which - you can never tell a secret in a corn field, way too many ears.
Sorry to hear the tinnitus is so out of control... 😆
Cool your jets, you're blowing so much hot air, it's baffling me to the point of exhaustion.
Are u talking about u being a pilot or having a wife
As a jet engine, huge respect to these guys
As a piston return spring adjuster, huge respect to these engineers.
Thanks for the reminder i realy need to replace mine on my 7.8 liter i6 diesel
Kinda like a crankshaft stretcher.
😂
Didnt the SR-71 have jet engines that were turbo jets at supersonic and then transitioned to RAM jets? cant really say no other jet has done it before when there has been one
I thought the same when they described how their engine works. Its the same as a SR 71 or 72 engine. In one shot one of the engineers even has a huge book on his desk labeled SR-71.
Exactly, that’s what the big cones in the engine of the SR-71 are for.
Yes, but they never transitioned exclusively to a ramjet mode. The turbojet engine was always running.
@@jakebrodskype Correct the cones was there to break the air cushion that was preventing anymore trust at higher speeds. But dam those turbojet engines had to be built very strong to take those loads.
Yep!
As a concorde aircraft, huge respect to these engineers!
This just makes the SR-71 look even more impressive
as a guy who moves bricks from one place to another with my hands mad respect for these guys
lol, I was just trying to explain to a helper how to move bricks efficiently and safely, moving his feet and not twisting at torso, pulling shoulders back, etc. It took an hour for him to start to get it and of course finally have to leave him to it to figure it out for himself and make it work with his body - or not. Later I heard him saying to someone else, "who would have figured I had to learn advanced physics and anatomy to move bricks?!"
So.....that makes you a pilot too, doesn't it? You take the bricks from one pile, and you pilot over there.... 🤣🤣🤣
@@seasidescott ya some people's pride prevents them from learning but u no what I had to be told how to use a rake 5 times before I listened now I can grade a model home with a rake and a wheel barrow. I tell people how to hold a rake now and that story but they all don't hold the rake like I do. it's experience i guess.
@@MrTimboy40 I will one day be a pilot when I can afford a plane and a place to store it getting one for 3k when I move out west in a year or 2
@@tylerpelletier9323 - exactly! I was taught by patient older people how to sweep and mop a floor, how to use a pick and axe, etc, etc. They were gifted teachers somehow transmitting the body motions, the rhythm and "let the tool do the work". They also showed a joy in such participation with the material world that was, for me, later mirrored by physicists and other mentors in the sciences doing the same with the conceptual world and mathematics. Especially physicists who knew how to move a mop - no joke. I deem that's why reliance on youtube vids will never replace that one on one learning with someone physically there to show you that joyful dance to be had with most anything no matter how tedious the task.
As an engineer at Rolls-Royce, huge respect to these engineers!
for people who don't know rolls royce made the engines on the b-52
@@skydragon5394 rolls royce makes plenty more engines for flight than the b52's LOL
@@skydragon5394 RR is going to be making new engines for the B52 fleet again after winning a contract. And yes, many more engines made by RR.
Wow! that's one heck of a job title. Congrats on being a part of the bespoke Rolls Royce family.
As an engineer at KLM, I have respect for ALL ENGINEERS especially YKW ;)
As an HPV medical testing volunteer, I have mad respect for these engineers.
As an adjective that modifies nouns, huge respect to these engineers.
As an aerospace plumber, I have huge respect to these pioneers.
I'm a nasa janitor:^
They had Scramjets that powered the Blackbird to Mach 3. Same engine concept, hence the Scramjet name. It's cool what they want to do, but Pioneers they are not.
@@derekedge2089 I just flew one last night. I got my licence in MSFS 2020 and my mom lets me play till 930pm anytime I want.
Apparently the blackbird used to leak fuel like a sieve when cold on the ground..
I started out as a in-flight missile mechanic until I got my degree in rocket surgery
as a guy that pulls parachutes with a boat, huge respect to these engineers.
Are there people on the parachutes or do you just power around with a parachute on the back all day?
As Steven Seagal's personal attorney, we already patented this technology during the Vietnam war, we will be in touch. But as an novice sugar glider test pilot, mad respect for what you are doing.
*As a guy that works the fry station at McDonald's and always adds too much salt* , huge respect to these guys!
As a guy that pushes a rock up a hill only for it to fall down and start over, huge respect to these engineers!
Lmao this made me laugh
That's not what happens
As a janitor, huge respect to these guys!
The fact that it has been over 2 decades since there has been a supersonics airliner to replace the Concorde is a testiment to what Aerospatiale was able to do in 1969 without computer-aided design.
as a jobless guy , I have a huge respect for this pioneers
Same mate
This is very similar to the SR-71's J58 engines. As the velocity increased, they would divert air around the turbojet core and directly to the afterburner. At its cruising speed, they were essentially acting as both a turbojet and ramjet at the same time. Chimera takes that concept one step further by having enough bypass capacity to continue accelerating even after the turbojet is shut down.
Ah ha! I was wondering about that. Just a "small" step forward. That makes sense considering their engineering approach. I hope these guys do well, we need more innovation (take risks) and less bureaucracy (don't take risks) in our aerospace programs.
difference: before they had the turbofan inside the moving spike of the ram jet, now they are putting the turbofan infront and adjusting engine bypass
Isn't that called scram jet. Air and fuel, that's it.
@@shaunleddy430 That's a ramjet where the air travels faster than Mach 1 inside the engine. This isn't a scramjet.
@@burgerpb5476 The spike acted as the J58's intake ramp, which is responsible for ensuring that the air entering the engine remains subsonic. Chimera seems to differ in that there's a much greater emphasis of the ramjet. If I'm remembering the diagrams in the video correctly, the primary path for air was around the turbojet, which is the opposite of the J58. Also, the turbojet was in a fixed position.
"success is a possible outcome, is it the most likely outcome? No." That's a real engineer right there!
Worked on Concorde for eighteen years and fully understand the complex challenges involved building hypersonic commercial aircraft. All the best to Hermeus engineers and keep up the good work.
What did you do while working on Concorde, if you don’t mind me asking?
@@matthewallred7471 He smoked crack in the bathroom and sold pictures of his coworkers feet.
Concorde was no where close to hypersonic.
@@davesullivan1649 No but HOTOL was ....
But did you have huge respect for the engineers?!?!?!?
As a passenger airplane, huge respect to these engines!
As a human trafficker, huge respect to these guys 🤘🏻
Yo what
lol bruh
@@faroukm4148 bus driver i guess
@@idzkk .
What
As a former marine airframe and hydraulics mech on the harrier av8b. Huge salute to these engineers. Make it maintenance friendly
I was going to make a comment but then I read the other comments, huge respect to those engineers.
As an unemployed guy, I have huge respect for these engineers
As a pilot for the millennium falcon, huge respect for these engineers! May the force be with you!
It’s a Star Trek thing right ?
@@slothandturtle8036 i think its star wars but i could be wrong, i know it was the one with the monkey in it
As a chief celestial and orbital mechanics modifier using gravity tractors powered by anti matter containment systems, huge respect to these engineers!
As a deep diving submarine, huge respect to this engineers!
@ 4:25 The SR 71's skin was actually its fuel tank. The skin was loosely put together so it had room to expand at high speeds. Fuel would actually leak while it was on the ground. They had to design special fuel so it wouldn't easily ignite. You could even throw a lit cigarette butt into it, and it wouldn't ignite.
As a CCCP member huge respect to those engineers,can't wait to get the blueprints
CCCP members are ahead in hypersonics
@@aerodynamic1440 no they aren't lmao
@@akiara8491 lmao he also probably thinks Venezuela is an economical powerhouse
@@akiara8491 yes, yes they are
@@traduni920Mate they literally repositioned spy satellite over the Top Gun set in response to the Dark Star aircraft in that film. So I don't think they are really other in missile technology which is different from aircraft technology.
As a blind art critic, huge respect to these guys.
As professional Mexican, I have huge respect for these guys and Boondocks
As a man who identifies as an airplane, huge respect to these guys, and planes.
Did you just assume your gender?! Bigot!!! Also, I ident as an attack helicopter.
So.... by lighting your exhaust you move faster????
How dare you identify as a plane, there are only 2 genders !
as a student of aeronautical engineering, huge respect to these guys
I'll be following them without a shadow of a doubt and I wish them all the luck in the world what a spectacular team
The production value on this video is top notch!! As a filmmaker, huge respect to everyone in this production crew.
As a man with no respect, huge respect to these engineers!
As a web developer, huge respect to these engineers!
As a software engineer , huge respect to these engineers
as a fuckin, computer programmer in engineering, nice
As a computer, beep boop
@@PeaceMastah come here let me program u
as a human standing over 2 meters tall, Huge respect to these guys!
As an aerospace engineer, I expect the group I work in will be getting a call from them in the next couple of years, when they get to the hard part of keeping someone alive inside the aircraft. Go Fast is the easy part. I've seen a few similar startups over the past decade, and they come to us for the hard part.
If you actually watch the video it's going to be autonomous so no humans inside of it
@@TheeMurkShow Yep, if you actually watch the video, they tell you that Quarterhorse is a propulsion test bed for development of Halcyon, a 20 passenger aircraft. No one gives you millions in seed money to make a drone just for the sake of going Mach 5, you need to have a product out of that, and that is Halcyon.
As an aerospace engineer, they bring you in to cripple the project with your overly negative can't do attitude and result in no innovation since the 1950s. No thanks!
@@sccengr hmm pick a military drone contract ... ALL of them started off as seed money to see IF they could be used in place of piloted aircraft ... and in what situations they would excel at ... heck the raptor drone was first and foremost a highspeed autonomous engine test frame ... all they did is add a different body around the engine and put in some equipment and poof a predator drone ... or camera drone etc
@@sccengr The flagship product is Darkhorse. Halcyon is the long-term vision.
As a professional garden ornament, huge respect to these engineers
As a Guy Who Hates Overtime while working overtime watching other people working overtime. Huge Respect!....
People capable of recognizing flaws but pushing and progressing despite them are always admirable. It's the flaws that make us human, and not some soulless carcass presentable and digestable to shareholders.
Other than the kid holding an SR-71 model, no one mentioned it used a similar engine concept for mach 3+ flight.
Because it's not really. It would've been a cool mention to explain the differences between chimera and the SR-71's engines though
And first flew in the 60's!!!
As somebody that doesn't exist, huge respect to these engineers and everyone that exists.
As the turtle that beat the hare, huge respect for these engineers! Let's race!
As a literal single brain cell, huge respect to these engineers and their many many brain cells ✨
Wait, how are you typing this as a single brain cell?
As a pool guy fighting weather itself, huge respect for these guys!
What 😂😂
Its great to see someone ready to push boundaries again. It is unfortunately not common knowledge that during the X-15 days in the 50s and 60s it was common for test pilots to be killed by the experimental aircraft. Its nice that we don't treat pilots as expendable anymore but as the video mentions it slowed development of this type of technology. Now we can fly autonomously without people so we can take much more risk and learn quickly.
As a life form, from a far away more highly advanced civilization, we have huge respect for these engineers.
I love it! They're playing from the same sheet of music as SpaceX: hardware-rich development lets you test things aggressively. When you're not testing on your only hardware set, you can find real-world limitations and make design changes to compensate. Bravo to the Hermeus team! this is exciting!
SpaceX does nothing but use archived blue prints of already tested and developed space vehicles to build their own.. Not original by any means what so ever. The tech and data is literally in front of your face... It's all documented and free for publc use.
SpaceX is just trying to develop a profit from the pre existing tech.. Everything else is already known and tested.
Matt Hays Well your absolutely rootin tootin right there pilgrim!!!!! And also the only one that makes any sense!!!!
There's no sense playing it safe. Push the design to the limit and see what breaks. Fix that, push the new design to the limit and see what breaks. Lather, rinse, repeat.
@@protorhinocerator142 it is philosophy of engineering from 1900 when you don't know physics behind a device and can't simulate. Such approach outdated 70 years ago.
as an electric drill, huge respect to these engineers
Cool avatar 😁
@@RSCL_BEATZ my lost brother where have you been
@@HellmiresKitchen Jajajajaja! Cheers!
As a marketing major, huge props to these guys
As a soft drinks operator, bottling 1 litre bottles for, Victoria, Tesco, Asda, Morris ons, Aldi, Lidl, Marks and Spencer, Waitrose, Roses, Schweppes, happy dropper?Xmas, Coo-op, Spar, Ocean Spray Cranberry, Sainsbury, Baldwins, huge respect for these engineers.
Extreme fuel inefficiency, exotic materials, limited flight paths, and instability at low speeds? Love that capital is funding this.
Yeah will they invent new tech to create fuel efficient hypersonic engine else it is a waste of time. Haven't they learned from concord
You Seem Smart.
well, those are the problems they're trying to solve lol
@@michaelarchibong5453 the concord wasn't hypersonic.
@sourand jaded Concorde was supersonic. Hypersonic is mach 5+. Supersonic is mach 1+.
It was Pratt & Whitney who first used the combined cycle engine that powered the SR 71 the J58 turbo-ramjet engine !
A well-presented insight into an interesting company. It's a beautiful looking aircraft. Refreshing to hear the talk of expected failures - a product of trying new things. I hope the momentum keeps up.
huge respect to the people managing such complex thermophysics in real appliances ))
I love the engineer in the green shirt when he describes how his passion was sparked by a seeing a c-5 galaxy take off for the first time. Just goes to show how far your dreams can take you
As wonderful as Quarterhorse is/will be, this shows you the absolute genius of Kelly Johnson and Skunk Works. As you probably know, slide rulers designed the Blackbird and it flew, with 2 men on board, to the edges of space and speed, and returned to earth. These guys are standing on the shoulders of the greatest aeronautical engineers the world has ever seen.
I like they named it the J-85 in homage to the J-58 that preceeded it.
I think you may be too kind here....this doesn't appear to be a crew that operates in such a way that promotes success....perhaps it was the way it was filmed but the boys at skunk works are on a totally different planet, no millennial type thinking with them if ya k ow what I mean😅
@@jackjman5577 that's utter garbage lol. Willingness to fail is central to success
@@nxvh9062 not remotely close to what I was talking about😆
Also why does the headquarters look like a huge empty warehouse?
Wow, just wow! That was a great presentation of something that is beyond cutting edge, great reporting guys, and I love the ethos of the development team!
Speaking of cutting edge… #shorts
J85 sounds like J58 (SR-71) which worked both ways. At mach 2 (ish) the input air was ducted around the compressor.
I hope they have a steady funding source. I want these lads and lasses to keep going on this.
@Tech He's clearly professional. An amateur would sound more natural.
They hope they do too. Might be the reason this video exists. Lol
@Tech He said in the intro he studied aerospace engineering but then didn't know what a flameholder was, and kept emphasizing how complicated the stuff the engine guys were talking about was. When they never even got into the nitty gritty details.
Trust me, spooks and DARPA will fund it plenty. Because it's a weapons program.
@@JohnDoeWasntTaken it seems this thing is a ruse.
Wow. The first time I cared, genuinely, about a project… these people are some of the most brilliant people I have heard. Humble and daring. Awesome:)!
This is really exciting. I think it is only a matter of time, before traveling super/hypersonic. is happening. The thought of possibly being a passenger, is mind blowing. I never thought that could could ever become an option. Good Luck Hermeus, we are 1000% behind you!
As an indoor shrimp farmer, huge respect to these engineers!
As an aerospace paint specialist huge respect to the team
What type of paint resist atmosphere and Mach 3?
@@travisfreeman5153 looks like we have ourselves a poser
@@HTV-2_Hypersonic_Glide_Vehicle How is he a poser?
@@thefreemonk6938 Oh I was just making a joke.
@@thefreemonk6938 I would assume that an aerospace paint specialist would be able to answer the question above, and when the answer was not questioned, I would make fun of them not being able to making them not a real paint specialist, but it was all in good fun only
As a professional steering wheel holder huge respect to these engineers.
As an unemployed, huge respect to these guys.
As a current biomed grad and aspiring med student student, huge respect for these guys.
I think with the team and vision they have it's definitely possible. Just not in the next 10-15 years. I think they'll eventually get to passenger flight but the most interesting thing will be the engine. Even if hermeus fails and doesn't produce an aircraft, if they get that engine right they'll be massive game changers and I'm sure the air force wants to put that on it's future platforms.
A whole other dilemma when considering a payload. An even greater challenge than passengers .
Economically, this wont ever be commercially viable. Hypersonic and even suppersonic simply use too much gas.
@@boijone8440 and expell too much pollution. Hell, current jet aircrafts are getting flak for already polluting too much and those transport way more people using less fuel than a ramjet type engine...
@@boijone8440 exactly. ramjet engines are gas guzzlers, not practical for commercial air travel. ramjet engines are nothing new, they have been around since the 1950s...don't undertand why everyone thinks this is a "cutting edge" project.
I would probably feel safer just sitting on a ticking bomb than in a hypersonic aircraft.
As a liquor salesman, huge respect for these engineers.
i am the liquor
Lol
As a failed electrician, huge respect to these engineers!
As a person strugling to be understood, huge respect to these engineers!
Lol
Lol
As a guy who's dad left from sheer disappointment in his kin, huge respect to these guys 👏
You win. That was hilarious! My Dad is just going out for smokes.
@@RSCL_BEATZ my dad went out to get the milk! he still hasnt returned yet though
Incredible! I'm an aviation buff of more than 55 years I've only seen one other group of people like yours and thats SpaceX. I wish you all the best of luck and success. I'm looking forward to seeing you break some records!
Would you not put the 'skunk works' in this category?
@@SpamSucker well, we happen to have a saying in the aviation/aeronautical engineering world: “skunk is junk” 🚀🛩️✈️
Their biggest failure here is expecting to lose a craft. Your subconscious will always create conditions to suit your expectations. This is something forgotten about in this time. At one point we understood this and empires, things thought impossible and "miracles" are evidence of this phenomenon. Knowing, vision or minds eye focused on what you want as if it's already happened is key to creation. A gift from God to anyone who can comprehend and manifest without a shred of doubt. Neville articulates this phenomenon much better than my regurgitating it here. They need to connect with their subconscious as a unit with a single process. They will be successful if they dont run out of funds first. Crashing crafts cost more than dollars even if it is announced as an expectation.
@@SpamSucker not so much, their part of a much larger corporation SpaceX was a tiny start up that most people doomed to failure and they nearly did. Look at them now.
@@davismize testing to failure is a pretty common thing it's done industry wide you have to learn the limitations of your product in order to improve on it
As a def driver, huge respect for these guys!
Skunkworks has had ramjet engines for multiple decades. They had 4500mph aircraft since the 90s. The high desert in the West saw lots of hypersonic aircraft throughout the decades. I was in the military and witnessed a test flight coming in from the Pacific Ocean landing back in Palmdale California, which upon decent and slowdown still hit sonic barriers 4 times after it had throttled down 90%. Top speed was calculated at 4500 mph, and was said to be a manned test flight, whereas the cockpit was said to be liquid filled to mitigate speed related G force issues on the human body. The only fact I do know to be true after witnessing it, was that the test flight was a ramjet/pulsejet variety aircraft and it was faster than the SR-71. All other variables of that test flight mentioned above were told to me from a third party military officer with familiarity of the flight and a higher security clearance than I had. Whether their fact or not, I cannot confirm.
Great story, 😎
"Just keep going, bit by bit, until we will this thing into existence." damn. what a quote
My first flight was in 1957 on a propeller airplane from the Caribbean to the U.S. I marveled recently when I flew first class in my own compartment, from New York to London. My grandchildren will fly hypersonic, no doubt!
It depends upon affordability . I know people who drove their Corvette at 130 mph in the 1970's, and their grandchildren are living in Chicago, unable to own a car, commuting home from work on electric scooters.
The SR-71 was way ahead of its time and those two mighty J58 engines are beautiful on that plane.
Reminds me of the J58 and the amazing engineering that was the inlet system of the. SR-71.
As a geographysicist, huge respect to Atlanta Georgia for holding the headquarters there!
As a domestic engineer, huge respect for this team!
This is a really young team for the level of engineering they're trying to pull off.
Maybe the elderly have allready failed too many times and lost the vision that it could be done.
@@PetSKi67 the elderly have pioneered and achieved flight, developed the mathematical tools, created design systems, raised industrial complexes just to produce the materials, and literally conceived the notion of hypersonic flight. There is no such thing as failing too many times, because there is no end to the lessons to be learned. The vision of what could be done was never lost, it's been more about individuals becoming more wealthy than countries. Luckily some of those people have been becoming involved with progression in aerospace and space travel.
i think thats a foolish categorization
I like the honest attitude of this CEO: "Is this thing gonna fail? Yeah!" "Its going to be a terrible subsonic aircraft, and a terrible supersonic aircraft!" ... He's honest with his fail-forward approach. Might work in the end.
6 times faster than the planes of today, 3 times faster than planes of the 60's and 70's.
You should look at the SABRE engine and the Skylon spaceplane. It's an engine with a unique design.
It looks like at high mach numbers the cone moves back totally blocking off the turbine section and the airflow then goes around the central turbine engine straight into the ramjet section achieving two engines in one ! Awesome stuff guys .
As a REST controller, huge 200 to this engineers!
As a highjackers, mad respect to those innovators, this could be a new & a great challenge to my group
I miss experiencing aircrafts producing sonic booms as they did flybies over my house when I was a child. The Airforce used to do practice runs on our lake's dam. It was an amazing experience to be able to witness the shear might of one of our branches capabilities. This generation will never get to witness such power.
Thanks for the nod to the C5 Galaxy. Incredible aircraft where I spent my Airforce career.
Impressive!
At around 4:15, the surface 'heat-up' mechanism is dominated by compression, not skin friction.
Yeah the people that made the video don't seem to know that much about the topic
They ALWAYS make this mistake in videos about supersonic flight, its funny
@Chacha Ji what?
@@rajuaditya1914 ikr 🤔
Adding on to that, the plume of white stuff pointed out in 5:58 is actually an expansion wave not a shock wave. Shock waves aren't usually visible. Another common misrepresentation of a shock wave.....Their voiceover description is correct though.
As a software developer, huge respect to these engineers.
As someone who didn't even watch the video, huge respect for whoever it was about.
We lol'd.