Quadjets - From Transatlantic Enabler To Uneconomic Giants
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- Опубликовано: 8 фев 2021
- The jet age began with four-engine aircraft, and they ushered in new possibilities for aviation.
Although two and three-engine jets followed soon, quadjets retained a key role thanks to both their range and capacity.
However, this is coming to an end now, with more improvements in twin-engine efficiency and declining demand for the largest aircraft.
This is the story of quadjets, from Transatlantic Enabler To Uneconomic Giants.
Article link: simpleflying.com/quadjets-une...
Maps generated by the Great Circle Mapper - copyright © Karl L. Swartz.
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Thumbnail Air France A380: Vincenzo Pace/Simple Flying
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I still think the quadjets look majestic tho
They definitely look the best. The 747 is the best looking passenger plane ever made.
@@cefb8923 To me Twin Engines look a lot better
EXACTLY! I live close enough to an airport to have a binocular view of takeoffs and landings. There is one, ONE, 747 using the airport and when it comes in and takes off theres a sense of presence that the twins lack. Let alone the sheer size of it. It's gotten so bad that I know when this particular 747 comes in and leaves, the airport used to have A380s but those left when the THING started and they havent come back :/
@@wraith8323 racist
@@alunesh12345 Yes, but have you heard about Allah and his prophet Muhammad? Repent today!
Like it or hate it (I doubt anyone will), Quadjets made aircrafts what they are today and shall always be, though inefficient, the best
Airline CEOs probably hate them
Saying that something is the best is very relative since it depends in the definition of what is good. If you find a quad-jet better than a twin-jet, go ahead and buy one. Airlines have probably a different definition of what is the best, so they may instead buy a twin-jet.
Absoloutely correct
@@yvindhildonenteigland3279 racist
@@yvindhildonenteigland3279 *cough cough* Lufthansa *cough cough*
Meanwhile, at Antonov's HQ...
Lol
...a "Going Out of Business" sign.
@@alexandernorman5337 the 225 has a lot of demand, no other plane comes near its capabilities.
@@jorge8596 - There's a demand for the cargo carrying capacity of that *one* plane, yes. There is not a demand to make more of them. And so there is no financial revenue for Antonov to maintain design and manufacturing capabilities over the next 25 years.
Humans don't weigh as much as cargo. The biggest two engine cargo transport out there is... The Kawasaki C-2? It can carry 37 tonnes. The 777F can carry 103 tonnes, which is still 50 behind the 747 and An-124, and it's much more delicate.
The Bae 146/Avro RJ’s relative silence stemmed primarily from its GEARED turbofan engines. The fan spun at a slower speed because of the gearbox and thus the fan tips did not break the sound barrier.
This is 30 years before the latest geared turbo fan by Pratt and Whitney that currently power the A320neo and A220.
It's also famous for its fume events ...
I love the Jumbolino. Such a cool plane.
The poor Convair 880/990 - Never any love
I was wondering about that, fast little bugger.
sad
@@jaysmith1408 Yeah
It is just sad
This is like a TV show for me
Europe: Beats America at it's own game (hub and spoke model).
America: I don't want to play that game anymore, let's play a new one (point to point).
America beat the euros!
America and Europe are in their decline, Very soon Asia will outpace them all. 21st Century is Asian Century
@@J__C_ Possible. The "American century" didn't begin until 1940, however.
@@aryanbhuta3382 1945 or you could say 1941*
I guess Im kind of off topic but do anyone know a good site to stream newly released tv shows online?
Even if they wanted to, Airbus couldn’t make a cargo A380. The maximum payload of the A380 was designed to be just enough to haul a full load of passengers and baggage. Cargo is a lot heavier for the same volume as passengers and thus requires a much higher takeoff weight than what the A380 could have ever achieved
Of they recertify it it really woudnt be a problem. Its not like there is a problem with the rest of the systems.
thats is at MTOW!? then the A380 could be the best Combi ever, upper deck for passengers, and lower for freight, or even the otherway around, but that last one though might be too heavy, unless the MTOW wasnt exceeded
Well had it been made of composite materials it would be lighter and that wouldn't be a problem
@@NikanDragosysSerpenDraAirbus actually developed a freiter version of the A380, the A380F, it could carry up to 150 tons of cargo over 6400 mi non stop, only the Antonov AN-225 would carry more cargo, but Airbus didn't receive any orders and the variant was killed in 2013 without any production plane.
Sad to see those engineering masterpieces go. I especially loved to walk on those "stairways to heaven" on A340 down to the lavatory (Lufthansa) and B747 and A380 to the upper deck. Walking stairs in the middle of the sky, unbeatable and only on quads. But technic envolves, we don' t use those foldable cell phones any more, right? So farewell my quad engined friends
Foldable phones are coming back though…
@@theonlyzuname1155 coming back for entirely different reasons and in a completely different form factor
it would be like if quad jets came back and they were 5x more efficient than twin jets
Next step: one engine airliner.
Birds: my time has come
One engine planes do have serious issues including maintenance and safety. Engines mounted inside of the tail are harder to maintenance than the ones below the wings. Also a single engine failure would be deadly. If a Cessna has it’s only propeller fail the pilot can usually land on a road or felid as their plane is very light.
@@G-546 Reliablity and safety is not an issue for single engine aircraft tho. People used to say the same about twin-jets
Engine’s gonna have to be very reliable or you’ll end up having to ditch in the middle of the pacific (either that or a return to the pre-ETOPS days)
Travels of Munch If 1 of the 2 engines fails the plane still has an engine and can make a controlled decent into an airport. If an engine even has a failure on a single engine plane their is no thrust.
Long haul videos out of all my subscriptions are what I look forward to most!!! I’m a car guy, a diesel mechanic by profession, but I’ve got the aviation bug. Keep it up!! My dad and I watch and discuss your videos all the time!!
Grandfather was a mechanic, during his 80 working years, he serviced everything from plane's radial engines to locomotive engines for iron ore convoys and almost every car, truck, tractor and bike you can imagine.
An analogy: 2WD vehicles versus AWD/4WD vehicles. 2WD is fine for the bulk of driving and efficient for not dragging all that extra weight and reciprocating mass around. But AWD/4WD can get you out of a bind when conditions get rough/slippery.
Yep exactly. But unless fatal accident happen nothing will change
Yeah, it’s sad to see these giants go.
someday or the other we will need them back . the situation in the world will not remain the same forever and so will the population. surely the quad-jets will rise again .long live 747 ,long live quadjets
I agree with you, but can't explain why it makes sense ...
Even if cargo revives there will still be a ray of hope for their return
@Samuel Jennings the queen will always be the queen
I'm really sad it is ending .... I've never been on a quadjet but I really want to ..... I hope the keep flying for more years to come so that I can find a way to travel on a 747, A380 or an A340
Me too 😊😊
Heron, whenever possible book yourself a trip on an A380, nothing compares to it and I'm rather experienced.
@@christoohunders5316 I'm sure it would be amazing... but covid 19 hates us ... and I don't know where flights go on the a380 but I'll make a trip next year for sure 👍
@@heron1473 Next time you go somewhere on vacation you can just check Emirates for connecting flights and see if either route is an A380.
@@internetperson9813 that might do .... that's what I'm thinking of
I always enjoy your videos very much. Thank you for taking the time to produce and share them with aviation fans. I appreciate your work. Regards from Hungary.
The only way I can see quadjets returning is if some new technology like hydrogen power required more engines to match the thrust of conventional turbofans
Thanks a lot for uploading at 4:00Am for me 😁
A great way to start the day... :)
I will always have a soft spot for quad jets. They spawned the genesis of the jet age and long haul nonstop travel. The Comet, 707, and DC-8, and later Concorde, showed us what was possible and what the future of air travel would look like. Even though quad jets are quickly being retired or being used solely for freight, they represent the biggest changes in civil aviation.
I think we will see a quad jet super bulk freighter. 4 GE-9X are suitable for 840 T MTOW (200 T larger than the AN-225, but looking similar). The aircraft weights would compose: 320 T OEW; 320 T PL; 320 T Fuel, with the latter two being limited to a total of 520 T. The cargo bay would be 7 metres high and 6-sided in cross-section to allow for wheels (24 x 35 tonne capacity - 6-axle per side compared to 7-axle for AN-225) and loads as wide as 11 metres. It would have a cargo bay 60 metres long. In essence it could carry 4 F-35 fighters just rolled in. It could carry aircraft hulls as large as the 777X. It could drop some huge water loads on bush fires. It would a heavy stand area between the wheels and special detachable legs for loading really heavy cargo. While there is only one AN-225, a heavy lift aircraft with good military and other applications should sell in the hundreds.
It would also destroy any runway it landed on. The A380 was already limited on the number of runways that could handle it's weight.
You aren't going to see it any time soon.
It shouldn't damage runways - it only has the wheel load of anA350-900. 7 axles per side like the AN225 would reduce wheel load to 28 T/wheel. 8 axles per side would give 26.25T/wheel. But the main issue is to have sufficient spacing between each wheel.
@@peteregan3862 racist
That’s *exactly* what I was waiting for! Thanks 😄😅🤙
high five for including the Air Belgium A340-300!!!
Quadjets are absolutely great story 🛫🤓
Boeing : 4 engine(707 and 747)
Airbus : 2 engine(a220 a300 a310 a320 a330 a350)
Lockheed and md : 3 engine(L-1011 dc10 and md11)
Antonov : SIX BUOY(Antonov AN-225)
You forgot the four engine Airbus A340.
I love this off shoot of the main channel...... fantastic job!!
I was a UAL Jet Mechanic when ETOPS came out. We called it “Engines Turn Or People Swim!”
why this channel have just 42k subscribers? This channel is undiscovered gem.
13:48 This frame proves that the pictures are not to scale.
I think that the age of the quad jet may simply be on hiatus until demand for air travel increases again. However, by the time the quads come back, it will be hard to say what the planes will run on.
As for the A380, I'm surprised JAL and All Nippon didn't take them on. In 1990's Japan, air travel was so popular that they used 747s as commuter jets.
Well ANA did take 3 A380s in the end, but for one niche route.... Now, they’re using 787s and A350s on domestic flights.
@MichaelBujaki I recall reading that JAL saw the operating efficiency to be very poor for the A380 for a commuter style flights because it takes more crew and time to load and unload 550+ passengers via A380 vs the Boeing 777
I am so old I flew in the comet post window changes, DC 8, DC 9, and many more. What an old fart I am!
@aero Thank you 62 soon. I was lucky as I travelled very young.
I see quad jets coming back if a different fuel type starts to be used and needs a different style of engine.
Nah
Thanks. Another good video.
It's ok 757, maybe he won't forget you next time.
Yeah i was waiting for that when the mentioned the 767. Its odd everyone seems to believe a 747 hit the WTC.
that would have probably torn that building in half had it been one of the Queens.
I really love your content ❤️
The best video I’ve seen on history of airliner airplane
Ilyushin building the Il-96-400
3:29 thrust reversers open in parking and you guys forgot to mention the Ilyushin Il-86 and Il-96 quad jets...
You raise suspicion if you mention that you once flew on them, that's why !!
@@christoohunders5316 hum i don't get it o.O anyways its ok..
"will be see quadjets in the future?"
Ilyushin 76 and TU95: the universe will freeze before we die
when something comes to a start it never ends
The thing with the Concorde and the Comet was that they were designed and built in an era when aircraft materials and technology were in their infancy. Both aircraft were way ahead of their time........ in particular, the Comet. Concorde had the first "sort of fly by wire" system and many other very clever advances and with the Comet........ the shape of the windows and the materials used for her construction. Had both of them had a bit more modern materials, had a bit more luck and not fallen foul of the underhand tactics of Boeing, things would be a lot different now.🇬🇧🇬🇧✌✌
When SST come back, we proboly will need quadjets again
Quads are likely to be relegated to freighter only in the foreseeable future. You don't need that level of lifting capability for 250-350 people anymore. Some people joke that single engine airliners are the next new thing but they would have no built-in redundancy.
Quadjet era is over, but will be remembered for generations to come, for it has advanced aviation technology to the future and beyond.
The next big thing: monojets with an A.I. pilot to pad the bottom line ;-).
The 747F can't go away, she's perfect. She'll live on like the B52 has.
Civilian aircraft die quick deaths, military ones live on way past their initial length of service. All the bureaucracy that goes into R&D and getting the funding, testing and most importantly who gets the contract.
She is the best. I love her. The Queen of the Skies.
Quadjets are cool and iconic for me (more so in the case of the Beautiful 747) but sadly the tech of quads are just unbearable for airlines since well, profit. But I can say no one would ever forget he legacy of it.
Like the Concord they are amazing to watch take off & land.
Concorde sweety, Concorde.
@@christoohunders5316 spell check changed it & I didn't notice, thanks though.
Splendid video. Will we ever see another western build rear-engine mounted T-tail design? I’m afraid the answer is the same as the quad, but could make for a very interesting video.
i can see a need for 4 engine cargo planes. There is only so much that an A330F and 777F can do.
747 forever 💖
First the tri-jets, and now the quad-jets, looks like twin-jets have emerged victorious in this fight to the death
8:08 Engines Turn Or Passengers Swim
You did not mention the CV880 and CV990 which were also quadjets.
On the other hand, even Bae 146/Avro RJ got mentioned.
Looks like the jumbo is coming to a end. I’ve had the pleasure of working on the 747-200 and 747-400 and will miss them.
But quiet pressurized cabins have already been available on (turbo)props?
indeed, but not the above the clouds altitude that you can reach with jets ;)
I think quad jets are more beautiful than twin jets😍
I think only cargo planes will have 4 engines
Could a budget airline make use of a four engine high capacity aircraft?
Are smaller engines unable to have the SFC that bigger engines do? Otherwise I don't see how engine number is an issue. If you have A320NEOs in your fleet, having a long haul quad jet that also uses the same PW1100Gs would save a lot on maintenances too.
Will someone please explain the physics of quadjets needing to run all 4 engines once at cruising altitude. In my simple little mind it seems like 4 engines would only be needed for takeoff and the initial clime.
Earlier engines were not powerful enough.
Noice
Yass i got a heart
Simple Flying guy: I am a Professor of ETOPS!
oh man, I booked a Virgin Atlantic 747-400 flight back in 2019 to fly in 2020. But... We all know what happened...
Hopefully, you will get on a 747-8, that would be awesome.
B-52 Stratofortress: “I’m not like other girls.”
I see me trying and failing to explain to my kids how massive 747/A380's were, its something you just have to experiance.
The A340-600 will always stay my ultimative superstar. Those trendy twin jets are not iconic...
That's because of the below deck toilets where no-one sees you having a quickie !
@@christoohunders5316 haha no😀
The population of the planet keeps growing. Eventually the demand for travel will also continue to grow. I am sure there will be room for 4-engine aircraft, especially if they figure out a way to make it more economic and environmentally-friendly.
ETOPS.... Engines Turn Or Passengers Swim.
The quad jets are over. Look to the business and private jets. The new Gulfstream G800 have a range of 14000km, that will say from Amsterdam to Los Angeles. I think that Airbus with his develop partners gonna work on fuel and noise reduction. And a greater range.
It's obvious, four engine are too expensive. Same thrust in two engine and much more efficient. in every aspect. If it would be possible it would be one engine . Thank You for excellent channel.
777 - I've got a big pair, these are real.
a380 - oh yeah, I've got 4 of them.
No, I’m waiting for a 1 engine aircraft fully automated!
Game over
I've heard one of a design of a DC-10 have a fatal flaw. Not to mention its third engine on its tail! If that goes out or at least blows up, then the whole plane can go bye bye with people in it! That's as far as I've heard. I can see why airlines like Air New Zealand switched to a quad jet Boeing 747s after DC-10. Furthermore Airbus went with a smaller quad jet design the A340 instead of DC-10 or Lockheed L-1011. Probably because of the fear of a fatal flaw design on tri jets?
Personally I'm fine with new ETOPS twin jets but I prefer an A380 because of size and sheer comfort of the widest fuselage mean having the widest economy class seats. I guess I have to wait for upcoming B777x. Haven't flown A350s but A330/340 seats were cramped! A 9 abreast config 777 is good though. I haven't had fear of flying in twin jet when I was young esp with B767s.
I think that the quad jets are going to be gone especially because of COVID. It is really sad since I will never get to fly on one when I have dreamed of stepping foot on an A380 of 747.
I believe that it is fair to say the age of quadjets is a bygone era, that’s what…
Time for supersonic era now 🤤☝🏻️
New "Son of Concorde" is coming in 2029 ❤
I sincerely doubt that quads will be used outside of freighter & military uses 😦! When AB ditched the freighter varient of the 380, they sent to the gillatine million's of man/hour's & truck loads of money 💰!
a single GE9X engine is strong as all 4 A340 engines,it means B 777 is stronger far from A340.I think 4 engines for long range,not for higher survive percent
The A380 will make it's comeback, world middleclass and overall population keeps rising, eventually we need these giants back.
9:36 what the hell fell off that plane right there?
My guess: bird hit the landing gear.
Bring back tri-jets 😢❤ (MD 10-11 like) 🥺 Boeing I know you can, please
Airbus A380 will be missed too 🤧 a legend like the Boeing 747 and the Concorde 🥲
Thank you McDonnell Douglas, Boeing, Airbus, Aérospatiale and BAC for those legends
Great video but I wish the MD-11 was not ommitted in the history lesson.
I thought over 1000 dc8s were built just 556
And there were MANY variants !!
@@christoohunders5316 exactly
Sadly I believe the quad jet era is over. It had its glory days.
life is like a circle...so there wil be ups and downs...it will surely regain the momentum...
i feel quad jets will again be launched with much more popularity :D
I hope 747-8 will kick start along with A380-f
This era is over. Luckily, modern twinjets like the 787 and A350 are aesthetically much more appealing.
The A350 and 787 are not as beautiful as the 747 and 380.
no ETOPS restrictions
Aren’t we forgetting the Convair 880?
And 727 whisperliner? I can hardly yell that loud, never mind a whisper.
And Concorde being phased out for more efficient higher capacity aircraft. Not ten minutes later, more efficient higher capacity aircraft being phased out for smaller aircraft. They’d be flying CRJ’s transatlantic if the could find a way.
And why not fly over Antarctica? McMurdo-Williams Field is surely large enough, and density altitude couldn’t possibly be an issue.
HOPEFULLY Boeing will make a new 747 version at least for freight in 20-30 years.
I was born in Newfoundland please take time to get the pronunciation right. Here's how: Take loof in as in _aloof_ but make it one syllable as in _noof_ then say finland but with a very hard D in "Did your plane _land_ ?" NOOF-in-lan'D not New-Found-Land It's not pronounced as distinct separate words as is the very common mistaken pronunciation. A lot of Newfies cringe at hearing the mispronunciation but are usually too reserved to point out, I normally wouldn't make a big deal out of it but my people's history & identity deserve respect like any others. Thanks ❤
On the Atlantic run, I don't think the 380/747 really work. There are too many airlines flying that route.
But, the distances to Asia from the United States warrant the use of quadjets like the above mentioned aircraft.
But, the idea of using single aisle aircraft on the Atlantic run is absurd.
Boeing should retool the 767 to be a smaller, more efficient aircraft to complete with the 321.
Finito
Its over. We will soon see twin hypersonic electric jet engines, powering airplanes cheaply at higher altitudes with less moving parts.
Sorry i was late
I totally prefer Quad jets over bog standard 777, 787, A330, A350.
747-8f. F indeed.
four 4 me!
quad jets are over imo so sad
Quadjets are done. The future of aviation will be Supersonic and/or electric.
You guys speak too soon, the IL-96 400 will be a four engine jet... And having flown in the A340 a few times, it is insuring a trouble free flight with four engines peace of mind over the Atlantic... They can be also efficient for the right reasons other than economic ones... One of them been trouble free 30,000 hours of flight time on "on wing" power been used al half power VS 15,000 hours or less of twin engine power at 100% and instead of adding more fuel efficiency savings you are adding more maintenance to more expensive engines and down time of the aircraft....
Modern jet engines are only used at full power for a few minutes at takeoff. Whether a quadjet or a twinjet, the engines only run at 20-25% in cruise.
@@alexandernorman5337 Vibration and metal fatigue take their toll on the engines, they are not without their problems!... Specially the big Trent engines, that perhaps those were the Achilles hill of the Airbus A380, ask Singapore Airlines!...
@@paveldeveraux2729 - Yeah. I'm just saying that regardless of the decision to use four engines or two engines, they are usually only used at less than 30% in cruise. You don't have to work the engines harder to accommodate a two engine aircraft. The airplane manufacturer sizes their selected engine appropriately.
@@alexandernorman5337 Its because of the thin air at altitude, the trust of an engine is only 25% at 30,000 ft but still needs to overcame aircraft drag.. Thrust available = Q(V1 - V2... Power required for cruise speed is 66%..
Quad jets are now best used in military tactical transport aircraft, and cargo aircraft IMO.
Quadjet is now becomes History