How does FLY-BY-WIRE work? The future of flight controls! Explained by CAPTAIN JOE

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Dear friends and followers, welcome back to my channel!
.... So the best-known feature of the Airbus fly-by-wire system is the sidestick. I did a whole video on the sidestick, which you might wanna checkout right here. So by moving the sidestick, you actually move mechanical levers and dampers which sit below the sidestick and this movement gets converted into a digital signal. Okay, let's say we were to make a left turn. Our left turn digital signal then runs by wire to a set of seven Flight control computers. The first one is ELAC 1. Which stands for Elevator and Aileron Computer. ELAC 2 acts as a backup in case ELAC 1 fails. So the ELAC 1 checks the received digital signal, before sending it off to the flight control surface. What I mean by "checking the signal" you'll see in a minute. So from ELAC our left turn digital signal then yet again runs through a wire/electric cable to one of the hydraulic actuators on the left-hand aileron and on the right-hand aileron, where our digital signal is then converted into a mechanical force moving the left-hand aileron upwards and the right-hand aileron downwards. Does that make sense so far?
I hope you enjoy the video and it’s been helpful to you!
Thank you very much for your time!
Wishing you all the best!
Your "Captain" Joe
Big thank you to all other youtubers who provided me with the video material to create this video. Your content is highly appreciated. Please follow their channels:
@Boeing
@airbus
@ERAU SpecialVFR
@cargospotter
@Ben Lim
@davidoliv12
@Padpilot
Intro Song:
Lounge - Ehrling: • Ehrling - Lounge
Outro Song:
Joakim Karud & Dyalla - Wish you were here • Video
ALL COPYRIGHTS TO THIS VIDEO ARE OWNED BY FLYWITHCAPTAINJOE.COM ANY COPYING OR ILLEGALLY DOWNLOADING AND PUBLISHING ON OTHER PLATFORMS WILL FOLLOW LEGAL CONSEQUENCES

[@kasipatwongsamran287]

Didn’t expect to find an air-cooled Porsche in a fly-by-wire video.

[@eigentlichnett8063]

Legends say that the interview with the Concorde pilot must be released at some point.

[@User383i]

You are the reason that i want to become a pilot

[@thomady]

Same reason I became a pilot lol

[@maedrosdjemaa8373]

You can do it! im a pillt now cause of him

[@niallwalsh2027]

This will have thousands of likes in a few weeks

[@User383i]

Thank you very mutch maedros djeema

[@missykrouth8396]

Same

[@BadAssEngineering]

"This is not an airplane, but my car" That Flex

[@concretetoy54]

one day he will say "This is not a car, but my Concord"

[@bradlemmond]

Just an ordinary car...

[@guitarfreak342]

@@bradlemmond You're an ordinary car.

[@guitarfreak342]

@Lorenzo Ramon Fuck off dickhead.

[@CTMKD]

@@guitarfreak342 lmao

[@joshpeace2002]

That feeling when I see it’s been posted 32 seconds ago

[@bleedaviation201]

11 years ago today, the "Miracle of the Hudson" was successfully pulled off ❤️

[@Haywood-Jablomie]

11 years ago today, I was 11 years younger.

[@moviestudios4681]

I think it was 12 years ago.

[@klssn34]

Actually it was tomorrow

[@tychobra1]

Riding the envelope 👍

[@Haywood-Jablomie]

@@moviestudios4681 12 years ago , I was 12 years younger

[@ekaftan]

Pilot: 'disconnect autopilot, I want to fly manually' Airbus: 'I cant do that Dave'

[@the80386]

Pilot: 'well, my name is not Dave'. Airbus: 'Ah my mistake Sir, disengaging autopilot in 3-2-1'.

[@Damien.D]

@@the80386 =)

[@techhelpportalextras3007]

QF72?

[@topethermohenes7658]

Pilot : turn of all fly by wire computers Airbus : *left the chat

[@davem3421]

*sad dave noises

[@gaudam514]

Joe we need to see your cars. That’s a sweet Porsche

[@Isuru14]

please do a video on airbus flight control laws as well (normal, direct and alternate)

[@flywithcaptainjoe]

Already in the making

[@thecommunist8050]

@@flywithcaptainjoe can you please explain how the radios work and how to operate them? please

[@khairlines]

@@flywithcaptainjoe yes king!!!

[@Isuru14]

@@flywithcaptainjoe Eagerly looking forwarding for it. Many Thanks!

[@topethermohenes7658]

Don't forget the dreaded "mechanical backup" 😂

[@cleanwing6070]

Btw, Concorde! Was the first jet civil aircraft to use “Fly by wire” not actually it but very very first version of it P.S. Just realized Joe said it in the end of the video

[@Bartonovich52]

All of the ones previous to Airbus were analogue, though. It was also on the Avro Vulcan and A-5 Vigilante.

[@josevasco7795]

I'm a student pilot and today, in my class, we actually talked about the fly-by-wire technology in Advanced Instruments subject. Your videos are not only interesting for people seeking some random learning but also very useful for pilots by recalling it! Cheers from Portugal, keep it up, Joe!!

[@--.--]

Hey, what's your progress for today?

[@chrisk1978]

Great video as always! Would you consider making one about how pilots navigate across oceans, particularly before GPS?

[@flywithcaptainjoe]

Nice idea for a video!

[@tomstravels520]

@@flywithcaptainjoe please could you do one about navigating overall. As in GPS waypoints, SID’s/STAR’s etc and maybe different types of approaches

[@BORDERMAN2000]

Probably using loron c

[@Bartonovich52]

Before GPS it was LORAN, OMEGA, and Inertial Navigation which was from about the 1960s. Before that, it was dead reckoning using a drift sight and flight computer like an E6B and making sun/star shots with a solar compass or a sextant. Errors were often significant and cumulative.. but usually good enough with the forecast upper winds from all of the weather ships to enable you to home in on a VOR or NDB which had ranges of a couple hundred miles.

[@ZaHandle]

Compass and going dead straight then adjust

[@aleccross3535]

I wonder what becomes of Joe's face everytime he sees an A320 while in the cockpit of a 747. Cheers, Joe

[@mark-ish]

"I use to fly that lil mosquitoe" 😚😄

[@xiaofengzhang367]

Hahaha

[@JacobDlougach]

“How do you do, fellow kids?”

[@Vincent-wl4yb]

Does Captain Joe miss Airbus already???

[@techhelpportalextras3007]

Yep

[@aashirkhan5650]

Another awesome and informative video Joe!! Keep up the amazing work and thank you for taking the time to bring u these videos!! Hope you and your family are staying well and safe during these difficult times

[@M8K2E9]

Not a minute ago I was binge-watching your videos, and suddenly I got the notification. Believe me...For a second I thought youtube was spying on me

[@flywithcaptainjoe]

😂😂😂

[@vincentgrass6531]

Well technically they can know what you watch, it's how you get personalized recommendations

[@binzy9659]

Great aviation vid Joe. Keep it up! Also thanks for doing my suggestion for a vid! 😁

[@danfrankhouser6579]

My wife and I fly couple times a year. Since watching your videos I sit in my seat thinking about the subjects you've covered. Pretty cool! Thanks for sharing your amazing amount of knowledge and my hats off to all the pilots up there!

[@flywithcaptainjoe]

I’ve reached my goal😉

[@bigittbuss]

Now this is the topic I’ve been waiting for! Thanks for the great content Joe!

[@hkr667]

How would you know? You commented 2 minutes after the video went live.

[@bigittbuss]

You know what a thumbnail is, right? And this is obviously not the first time I watch his channel.

[@brunogasperin]

That is pure gold! Thanks for all the knowledge!

[@marcoschultze7541]

Great introduction! As an aerospace engineer I hope there will be further videos explaining why FBW can be safer than mechanical systems and how a FBW system can detect damaged components and can still continue in normal law.

[@Glen.Danielsen]

I love this pilot of pilots! He brings the depths of aviation right to your eyes. 💛🙏🏼

[@r.redlaff5075]

Been waiting for a video about this for a while. Really well explained. thank you

[@stoeiboy80]

the explenation.. so clear as water!! keep up the good work!! 👍😊

[@serhiimazur3036]

Thank you, Joe! Your videos as usual are clear to understand! Greetings from Ukraine!

[@Emirates-uo1md]

Hey! Thanks for explaining that.. I always wondered what that meant 😃

[@mugofbrown6234]

I did something vaguely similar; I drove a brand new Discovery around an off road course; brilliant! Buttons, bells and whistles, all mod cons. I then drove an old Defender. I ordered the Defender. It was old, clunky, required definate arm and leg input, but you could feel what the terrain was like and where the Landy wanted to go.

[@captaincjh7625]

Thank you very much for making this video...I have always been confused with the FBW system. You’re like a aviation teacher god.

[@PilotStudd]

Thanks Joe, I’m working on a qualification project (EPQ) in college, regarding the automation and technological advancements of aircraft from 1912- the future, this will certainly be a good source of information for the segment on fly by wire controls! Keep it up :)

[@Bobo-ym1df]

This is something I’ve always want to know

[@Kucho29]

Not a pilot but always curious about this incredible machines work, thanks for always giving clear information!

[@lennertpostert4404]

Joe, what an amazing video. I’m an Aeronautical Engineering student at the German military university in Munich, to become a military pilot. Basically, you just summarized what we had as an introduction to instrumentation and control engineering. Our professor used to work for Airbus and therefore he took the Fly by wire-system as an example to explain how control loops work. I’m amazed that you addressed so many details in a video that is not primarily intended for engineering students. I think your content is extremely helpful for anyone seeking to deepen their knowledge in aviation and I’d be lying if I said that your educational and motivational videos hadn’t been very helpful to myself to keep on going when university gets tough. Thanks for your awesome work!

[@brad4057]

Fantastic video loads of info we are always learning..im wired

[@DarkniteAviation]

Hey, can you please make a video on the touchdown zone/aiming zone, explaining where pilots are supposed to land and when the gears should touch the runway etc Thanks, your videos are really informative! Also, why don't you use a custom channel URl lol

[@cameronsmith5207]

Awesome video love the March keep up the great work

[@gonetoearth2588]

great content on this channel! As a pilot, I would love to see more cockpit vids showing CRM during departures and arrivals with checklists run etc etc Thanks!!

[@Marder1A1]

Fly by wire is truly interesting

[@moody1480]

Yeah

[@mr.iceair9957]

You are my most favourite KZbinr🤩🤩🤩

[@patolt1628]

Advantages and disadvantages are quite right and objective. I really like your videos. Perfect.

[@aswler]

I appreciate your very clear explanation and also the work of all engineers who have developed the system.

[@ricardoedelmann]

"Der Mann hat Geschmack" Nice little Red Machine in the beginning and great informative video as always!

[@flywithcaptainjoe]

Thanks buddy

[@ricardoedelmann]

@@flywithcaptainjoe You're welcome! Correct me if i'm wrong because i'm not entirely sure but isn't that a 930 2.7L ? :)

[@lime3107]

What we all have been waiting for without even knowing it

[@EmilSvitek]

Hi bro!

[@lime3107]

@@EmilSvitek - Hey another Lime

[@aliibrahim-io7ki]

we are always enjoying with your clarification . Many thanks capt. Joe

[@Hopeless_and_Forlorn]

Nice job. Retired mechanic here--not many people realize that the Boeing 737-100 and -200, introduced in 1968 and 1969, had a basic but very functional fly-by-wire capability built into the SP-77 autopilot. With the autopilot engaged in control wheel steering mode (CWS), the control cable input lever on each flight control power control unit was locked at neutral and resisted any movement by the control cables. The force applied against this resistance was detected by force transducers mounted under the cockpit floor. Electrical signals from the force transducers were sent to the autopilot roll or pitch analog computers, processed with rate and angle limits, and output to the PCU servo valves to move the appropriate control surface. When the pilot force was removed, the computer either held the present bank or pitch attitude, or returned the aircraft to straight flight, depending upon sub-mode engagement. Watching the pilot fly the airplane in manual mode versus control wheel steering mode, it was normally impossible to see any difference in the pilot actions and results. By observing the autopilot engage switch paddle position, you could see whether the pilot was flying the airplane in manual, or utilizing the benefits of the electronic overseer. For its time, the Sperry SP-77/Boeing flight control system was nearly perfect.

[@ammarjamil4149]

The future is here😁

[@xiaofengzhang367]

Are you a fake Elon Musk ? Your video doesn't sound like the real one.

[@hao6485]

Question for joe: Do you think the airbus cockpit is easier to fly than the Boeing (in terms of space and comfort)?

[@flywithcaptainjoe]

Yes I do

[@matthsini]

@@flywithcaptainjoe Is it because you flew Airbus before Boeing? (Or Maybe you also flew Boeing before the A320?)

[@adysoferu]

@@matthsini As far as I know, the 747 was his first Boeing, after the A320. But regarding the comfort in the cockpit, you can check the video where he and Dutch Pilot Girl compare the A320 and 737, where you have a more direct comparison with arguments from pilots from both sides.

[@FesixGermany]

I had a general understanding about the system but yoour explanatiion went into way more detail (compensation and stuff), thank you!

[@raailiatorramix5059]

Joe I love your videos. Great content as always mate keep it up. I hope to meet you in the aviation industry soon as a fellow colleague 😊

[@yulaviation3868]

Another great vid joe!

[@024HR]

@Just Jeb True

[@thetomgamerboi6817]

You are first! good vid tho i agree

[@yulaviation3868]

@Just Jeb But it’s a captain joe vid. It’s gonna be good for sure

[@024HR]

@@yulaviation3868 Yeah Thats For Sure

[@jasonplays1776]

Hey Captain, hope you are well! I was just wondering, are there any major differences between the fly by wire system and the CWS (Control Wheel Steering) autopilot mode on a Boeing aircraft in terms of flying characteristics? Thanks, Jason

[@rexnihilum7822]

i'd love to know thid

[@lucabuckley5643]

I learn so much on this channel! Thanks Joe! Also, I didn’t know until recently that some business jets have the fbw system.

[@guillaumeromain6694]

Fabulous video! Superb animation and delivery ! 😃👍 thank you! Nice Porsche !

[@safetyinstructor]

I'm not sure but I feel like you wanted to show off with your Car ;) Greetings from Hamburg!

[@flywithcaptainjoe]

If I wanted too, I would have shown the full car like other pilots do.

[@safetyinstructor]

@@flywithcaptainjoe haha true, and you would need a way more clickbaity thumbnail with a way cooler car than the one in the video.

[@mattm2572]

No please captain don't put a video online when I've an importante school teste to revise for tomorrow 😂

[@joselynkelly9986]

Wow! Thanks so much! For this valuable information!!

[@discoverymoi]

So spot on explanations. Leaves me out of questions. Everything g so clear, I’m just an aviation geek.

[@sogwatchman]

1:54 - Should that be FWB or FBW for Fly By Wire ?

[@joegreenwood6551]

FWB is absolutely not Fly-By-Wire.....

[@tingyangchang7822]

@@joegreenwood6551 It seems that captain Joe had a wonderful day lol.

[@Ah-fd7ip]

Joe Greenwood It is it should be FBW Fly By Wires

[@ghomastottschalk1621]

Fly-Wire-By doesn't seem right :D

[@Smartlion1]

I like how he says "little cessna" I would love to see a big cessna

[@firmaneffendi2801]

Cessna cititation then

[@Smartlion1]

@@firmaneffendi2801 no something bigger. A cessna c380. A cessna version of the a380

[@firmaneffendi2801]

@@Smartlion1 chestnut then XD

[@WayneM1961]

Thanks for the effort you obviously put into presenting this Capt. I honestly found it truly fascinating, however, i'm very much looking forward to the video you said you were going to do on what happens if all this technology suddenly goes wrong. Happy New Year and stay safe.

[@CristianKleber]

Very well explained. Congratulations and have a great day.

[@A2dy]

Now I want a video on your car!

[@unityaviation5010]

Also here's a suggestion: MFS2020 747-8 landing challenge.

[@flywithcaptainjoe]

I rather do it in the real plane😉

[@unityaviation5010]

@@flywithcaptainjoe Oh ok. That would be an amazing video! You could do a Boeing 747 tour. If you haven't already though.

[@NiHaoMike64]

74 Gear tried it and found it wildly inaccurate.

[@unityaviation5010]

@@NiHaoMike64 Yeah because his 747 was bouncing at 120 knots. My suggestion wasn't good.

[@unityaviation5010]

@@flywithcaptainjoe Can you help my new Aviation Channel? It only has 13 subs, and if you want to go to it, search up cessna 172 descent and landing. Just wondering. You don't have to.

[@DrFrank-xj9bc]

You got a beautiful Oldtimer, with beautiful instruments - RPM and speedo - from VDO, very nice!

[@i.peterson9744]

Let's go Captain Joe. Thank you for sharing your knowledge :)

[@niallwalsh2027]

I didn’t know I was this early

[@schulz.]

1:54 Isn't is supposed to be "FBW"?

[@Haywood-Jablomie]

It's the Friends With Benefits system

[@yutahestifirmani7684]

Thank you so much captain joe for your videos is very great.

[@adlzz2711]

Just when I need it, Thanks Captain.

[@samthomas9445]

Captain Joe and Sam Chui collab maybe? Maybe that's already a thing IDK

[@Hans5958]

Chui is overrated

[@mojamoja3962]

@@Hans5958 Chui has social videos more than technical and he is likable. You can tell from his hosts whenever he is filming.

[@legois2great]

1:52 the acronym had a typo lol

[@ag6371]

FBW

[@Mo.Salah15]

Phenomenal video really Joe 👌 Informative and simply awesome.

[@PJBhm]

That’s a really good video Captain Joe ! Thanks !

[@byjustxs1309]

I think I’ve never clicked on a video this fast :D

[@strawberryj7186]

omg this seems scary to me.. how it could fail seems like less control of aircraft I know they got that backup but relying on signals... scary haha

[@leannexu3362]

That’s actually why the Boeing 737 Max failed

[@lumpichu]

I'd say it's potentially much more reliable than the pulleys. The old system has also wires, but so many more things that can get stuck :)

[@user-sm9fq5fx3b]

Thank you ! Υou are understandable, very good presentation!

[@webza77]

Good explanation. I think I have learnt a lot about planes from you and the other leading channels.

[@Bea-zn6vx]

I was literally thinking about u 30mins ago

[@dee-jayonyango]

I know this is an immature joke but I very young so I was like, Wut da 5:25

[@JelmersAviation]

Finally I get clear what FBW is and how it works! Thanks a lot for that Joe!

[@konrad6594]

Another great video, continue to amaze me.

[@francisgaliegue6645]

Now you've done it. You'll have to do four other videos explaining what are stall, overspeed, spin and overbank... You _did_ do it on purpose, didn"t you? :p

[@gabrielsimon7944]

A stall is when the stream of air flowing over the wings “detaches” from the wing and turns from laminar flow to turbulent flow. The rest are pretty self explanatory.

[@francisgaliegue6645]

@@gabrielsimon7944 sorry but no, this does not explain anything at all. I know about Navier-Stokes equations, which ultimately describe all of these phenomena, but knowing about the theory and how it translates into the real world is quite different...

[@patolt1628]

@@francisgaliegue6645 I don't understand what you are expecting. Stall as explained by many pilots (and Gabriel Simon) is clear. What happens in the real world? The airplane simply falls down since there is no more lift. No need of equations to understand that. Spin is an asymmetrical stall: one wing stalls before the other and the aircraft goes into a spin (there are many videos dealing with this physical phenomenon). Overspeed and overbank are self meaning, aren't they?

[@flymexx320]

Real flying is fly-by-“steelwire”😉

[@EmmanuelNyoni0505]

No one explains stuff better than you Captain Joe. I appreciate you

[@thercbat]

Always enjoy watching your videos!

[@FranklinDBluth-yq6ww]

Thanks. That was super clear. I always thought fly by wire was talking about the shape of the wings in relation to the tail.

[@devanshuverma3970]

love the way you explain..

[@ricardogarcia3900]

A good video, a lot of tecnical information . Thanks

[@justinnie5979]

Love your videos Joe👍

[@CaptHamza-qh7yl]

When I watch your videos they inspire me more to become a pilot,I also learn more and that allows me to add to my knowledge of aviation🛫🛫

[@marcoscapo159753]

Amazing video, thanks for taking the time to explain it to us 😁

[@pralhadkarigar219]

U r the best pilot and a best teacher sir thank you for such a good video and i get motivated by u only sir... 🤗🤗🤗

[@peter_s]

Großartig erklärt, danke!

[@theplaneshooter9648]

Thanks again for an interesting video! I just had an online session with a real pilot organised by a career event which was recommended to visit by my high school. Was definitely a very informative evening!

[@Horstroad]

12:42 McD followed with the MD11 in 1990. The MD11 was a FBW/FBC hybrid. Control wheel inputs in manual flight were transmitted digitally. Feedback was given via the cables. The elevator inputs are assisted in the neutral position. With no inputs, the elevators are automatically moved within 5° to keep the aircraft attitude stable. With the autopilot engaged, it's full FBW. The Flight Control Computers (2 pieces with 2 channels each, so four channels in total) control only one of the four actuators (four ailerons, four elevators) dependent on what channel is in control. The other three actuators of the ailerons and elevators are slaves driven by the linkages and cables that connect them all together. Theses cables and linkages also give feedback to the pilots. The 777 is full fly by wire. There are 16 position transducers on the control wheels/columns/pedals (6 for the control wheel (3 each for CM1 and CM2), 4 for the pedals (2 each for CM1 and CM2) and 6 for the column (3 each for CM1 and CM2)). They provide analog signals for the ACE (Actuator Control Electronics, 4 units) which convert these analog signals to digital. These digital signals are sent to the Primary flight computers (3 units) where they are processed with protection functions, stability augmentation and stuff like that. The processed signals are then sent back to the ACE and to the Autopilot Flight Director Computer. The ACEs convert the digital signals back to analog and send them to the control surfaces. The AFDC send the signals to the backdrive actuators on the control wheel/column/pedals for the protection functions (for example bank angle protection or tail strike protection). This is in normal manual mode. In secondary mode, when the PFC lack some information or have internal faults, some functions are not available (for example autopilot, envelope protection, thrust asymmetry compensation), but the PFC still process the digital signals and send them back to the ACE. In direct mode, when the PFC are not available at all, the ACE send the input signals straight to the control surfaces without processing. When the autopilot is active, the autopilot commands are sent from the AFDC to the PFC where they are processed and sent further to the ACE where they are converted to analog signals and sent to the control surfaces. The AFDC also send commands to the backdrive actuators on the wheels/columns/pedals for feedback. When all electronics fail, there is only pitch trim left for pitch control and two spoilers, one on either side, for roll control. These are the only actual mechanical controls left. The Control wheels/columns/pedals are mechanically linked together, so the L/H side always knows what the R/H side does and vice versa.

[@tomstravels520]

No mechanical rudder control?

[@Horstroad]

@@tomstravels520 There's no mechanical backup for the rudder on the 777. When you lose the ACEs you have only the horizontal stabilizer trim and two spoilers for attitude control.

[@tomstravels520]

@@Horstroad hmmm interesting. The A320/A330/A340 I believe have mechanical stabiliser (provided the correct 2 hydraulic systems are working) and rudder. Any other turn co-ordination is through asymmetric thrust The A380/A350 are completely different and use a Backup Control Module which is segregated from the normal system but does require a hydraulic system (Yellow only on A350) to be functioning as the power source but you can still maintain control of the THS, inboard ailerons, elevators (inboard only on A380) and rudder. It’s basically a non mechanical system

[@weirdstuff7268]

Really love taking notes of your explanations...! PLS become my instructor in future.

[@PilotWanderlust]

Very nice video, Joey! Glad you inspire young people for aviation! 👌🤗

[@aaryapatel4324]

Thank you for the video joe

[@bernardbouzon5499]

Thanks for the video.

[@roccomassolin4091]

keep up the very well done work!

[@tfi3055]

Very informative like every video