What is a "Dutch Roll"?!

  Рет қаралды 244,757

Mentour Pilot

Mentour Pilot

Күн бұрын

Gift a year of Brilliant.org with a 20% discount 👉 brilliant.org/mentourpilot/
So, How "Dutch" is a " Dutch roll" and can it be dangerous. What roll does the "Yaw damper" have to do with all of this?
In todays video I will be talking about a fascinating aerodynamic occurance called the "Dutch Roll". I will explain how it is connected to the stability of the aircraft as well as the different axis of movements that are involved in it.
As always, you can ask me questions or comment directly to me inside the FREE Mentour Aviation app. Use the links below to download it and lets start talking aviation! 👇
📲www.mentourpilot.com/apps
If you want to become part of my Patreon crew, and help support the channel, use the link below and sign up! 👇
📲 / mentourpilot
To follow my life and travels on Instagram, use the link below 👇
📲 / mentour_pilot
I want to send a huge "Thank YOU" to the channels and articles used to create todays video. You can view the full videos using the links below 👇
Flight-club (Aircraft axes explained)
• Axes of movement
Bitikofl (Dutch roll)
• Dutchroll
Boldmethod (Explaining dutch roll)
www.boldmethod.com/learn-to-f...
ClassicDutchroll (Dutch skating)
• Skating the Dutch Roll...
Tonkatsu 298 (JAS 39 Gripen)
• RIAT2018 JAS-39 Gripen...
Visit my website www.mentourpilot.com/news for the latest aviation news!

Пікірлер: 735
@Otacatapetl
@Otacatapetl 4 жыл бұрын
Your dog should be a pretty good pilot by now.
@booooooooooooooooooooooo
@booooooooooooooooooooooo 3 жыл бұрын
It took me a second to realize you typed pilot instead of pillow
@nwazuemunachi6339
@nwazuemunachi6339 3 жыл бұрын
😅😅 LOL.
@harmonicajohn1059
@harmonicajohn1059 2 жыл бұрын
Trained aircrew dog… bites pilot if they do something wrong.
@oppamaclare
@oppamaclare 2 жыл бұрын
I don't think he's interested unless you can eat a Dutch Roll.
@martinsachs3837
@martinsachs3837 2 жыл бұрын
doubt he can pass the drug test...this pub is on benzos
@robertansley6331
@robertansley6331 3 жыл бұрын
Cute little dog was showing us the _YAWN_ axis where she ended up remarkably stable on his port side.
@bikkies
@bikkies 4 жыл бұрын
This is why I love this channel. A quick ad at the beginning, a quick ad at the end, and in the middle is a nice calm and informative explanation. Just like a coordinated turn, I watch a coordinated video. Putting in just enough technical meat to keep me flying smoothly til I land safely and a little more educated at the end. I despise videos where I'm being constantly spammed with adverts just when I'm starting to get into the zone, even interrupting mid-syllable. Thank you for not being that person!
@michaell7149
@michaell7149 4 жыл бұрын
I find myself staring at your dogs during these videos! As an aviation enthusiast and frequent traveler love this channel. Thank you!
@sylviasanchez7500
@sylviasanchez7500 4 жыл бұрын
They are adorable. There is a whole back story going on there with Patches N Molly and the crew there at Petter's crib, lol.
@jdwilliams518
@jdwilliams518 4 жыл бұрын
Sometimes they go behind him and stare at the back wall for no apparent reason..
@kratokat3431
@kratokat3431 4 жыл бұрын
This guy made me an aviation enthusiast❤
@mog882
@mog882 4 жыл бұрын
I came up with the term “feathered fish” while I was tripping on ketamine and a ketamine clinic. It just popped into my head, “my fine ‘feathered fish.” I thought it might’ve been a significant find so I did a web search for “feathered fish.” Now you know this.
@topsu4896
@topsu4896 4 жыл бұрын
Welcome❤️
@raidzor5452
@raidzor5452 4 жыл бұрын
NPC #7125366 I once pissed in a hairdryer
@Trauncher
@Trauncher 4 жыл бұрын
If you don't fly., contact your local airport flight school, and ask them if they have any introductory flights available.. I know the EAA at one time sponsored a 1/2 price first hour.. Just about anyone can do it. go take a lesson. you'll never forget it! :-)
@zczvcb
@zczvcb 4 жыл бұрын
As a technical Aircraft engineer and aerodynamic instructor , this explanation is 100times better than many I have seen and read. I always like to give practical examples to students to understand such phenomenons . In the technical world , we always perform checks on damper system for force feedback etc.
@alc7692
@alc7692 4 жыл бұрын
There's a pilot technique I learned during my B737 flight test work that will manually dampen out the dutch roll. With the yaw damper inop, momentarily just turn the yoke into the rising wing (for just a quarter of a second, that is), and return back to neutral. This raises the flight spoilers on the rising wing, dampening out the yaw effect. Repeat as necessary ...
@bitchpudding8104
@bitchpudding8104 Жыл бұрын
They asked me on my first airline interview how to counteract dutch roll if the yaw dampers were inop! Thank you for this comment 🙏
@birdman4274
@birdman4274 Жыл бұрын
250 milliseconds LMFAO 😂😂
@mysock351C
@mysock351C 4 ай бұрын
@@birdman4274 I think most people can handle that unless they have the reaction time of a slug. At any rate, aerodynamically its really just to try to level them out slightly and limit the side-slip directly rather than guessing using the rudder.
@birdman4274
@birdman4274 4 ай бұрын
@@mysock351C Did he measure it with an atomic clock. What error can we apply to the 250ms ?
@mysock351C
@mysock351C 4 ай бұрын
​@@birdman4274 Using a simple fraction such as "1/4" implies low precision. People generally understand that a "quarter second" indicates a relatively short amount of time in our subjective perceptual terms. Generally anything less than one second will likely work. This is NOT the same as "250ms" which implies a precision down to 1ms. This is actually known as _significant figures_ (or significant digits) and is an important concept people should have learned in school or college. Certainly most airline pilots would have, and know that it just means "Don't turn the damn yoke for as long as you like. You'll crash the plane."
@Gohan-chan
@Gohan-chan 4 жыл бұрын
Japan Air 123 lost most of it's vertical stabilizer, and in addition to losing all of it's hydraulic systems, was experiencing severe Dutch roll due to missing the stabilizer. It's amazing that the pilots kept that plane in the air for 32 minutes after the tail came off. From looking at the FDR data, that plane was rolling as far as 80 degrees from horizontal roughly every 12 seconds because of it.
@michaelthibault7886
@michaelthibault7886 2 жыл бұрын
I'm so happy I found you Captain!I just learn so much like how fast things go wrong.Even on auto pilot,it disengages then if your incapacitated,the first officer panics and is usually not ready to do everything like checklists and flying...
@jamescaley9942
@jamescaley9942 4 жыл бұрын
There was also AA587 that crashed in New York in 2001. In response to turbulence the pilot used excessive rudder inputs with several rapid reversals. This was a positive feedback loop which ended in the vertical stabiliser separating as it the loads were beyond the design limit.
@WilliamDavidKirbyUK
@WilliamDavidKirbyUK Жыл бұрын
Petter, these videos of yours are so much more useful than all the classes that I might - or might not - have taken. A great explanation of stability.
@DERP_Squad
@DERP_Squad 4 жыл бұрын
A Dutch Roll is a specific order in a Dutch 'coffee shop'.
@tyrionlannister6769
@tyrionlannister6769 4 жыл бұрын
"Dutch Roll"....Euro version of Chinese Egg Roll...!
@devilsoffspring5519
@devilsoffspring5519 3 жыл бұрын
@@tyrionlannister6769 I think he was talking about joints... not the kind on aircraft made with rivets, the kind you smoke :)
@SuperPhunThyme9
@SuperPhunThyme9 3 жыл бұрын
Are they cooked in a Dutch Oven?
@jamescollier3
@jamescollier3 3 жыл бұрын
If you Google images, it is
@EleanorPeterson
@EleanorPeterson 4 жыл бұрын
A Dutch roll is malicious; a Swiss roll is delicious. ;-)
@IansModRite
@IansModRite Жыл бұрын
A beauty of a comment. Thank you elli
@AngelShorts12345
@AngelShorts12345 2 жыл бұрын
Brilliant presentation. Clear, concise, and really interesting.
@dehoedisc7247
@dehoedisc7247 Жыл бұрын
I once duplicated the principle of "Dutch" roll in an automotive context, when I was towing a Pontiac Tempest with a much lighter IH Scout with 4 cylinder engine. At about 45mph the front suspension went into a slight drift to right, then cycled back to do a drift to the left. Basically a resonant "S" back and forth. I guessed that if I put steering inputs that might cancel out the mechanically worn out and out of adjustment front end components. It worked. The tow rig was now running as straight as an arrow while the tires were doing one heck of a sort of sidewinder dance back and forth. Good thing it was a short haul, not really safe.
@brianw612
@brianw612 4 жыл бұрын
My flight instructor was demonstrating dutch rolls during one of my first lessons, got carried away while I was feeling sick.
@Zany4God
@Zany4God 4 жыл бұрын
Another great vlog. I'd never heard of the Dutch Roll. I can see how important it is to let the plane do the correcting. Thank you.
@CHESSmaster69SH
@CHESSmaster69SH 4 жыл бұрын
I love your videos! I can tell that you have a deeper understanding of the material you present. However, you explain it in a way that a non-aviation minded person can understand it. I just started working on my CFI and that's something I am practicing. Don't want to overload students with too much knowledge. Your videos help me learn how to explain things in a simple way.
@thermalpower6277
@thermalpower6277 4 жыл бұрын
fantastic interpretation........ this guy has a tremendous clarity on the subject matter...
@atwest
@atwest 4 жыл бұрын
Mentour Pilot dog anticipates roll to the left... smart dog!
@michaeldougfir9807
@michaeldougfir9807 4 жыл бұрын
Not that it is important here, but when I was a helmsman on a ship, we too had a rudder angle indicator. This reminded me of it for the first time in many years. Thank you for a good explanation. I am not a pilot and feel that this was made very clear even to me. Thank you!
@MrDentist89
@MrDentist89 4 жыл бұрын
This is one of the best videos you have done so far.. I love those basic knowledge videos and i really like to have more of such contents.. Basic ATPL subjects and aerodynamics are really a great way to understand aviation as a science.. Thank you so much for this piece of information.. You are doing an absolutely fantastic videos😉😉
@YammoYammamoto
@YammoYammamoto 4 жыл бұрын
Been flying different simulators online for over 10 years.... ....every episode there's something new to learn. Thank you! :)
@tariq8890
@tariq8890 4 жыл бұрын
Thank you for flying with KLM. For some appetisers, we'll be served Dutch Rolls
@fredharris4342
@fredharris4342 4 жыл бұрын
Sheesh.... Petter - you are BRILLIANT! SO fascinating and educational - and EXPERTLY taught/explained. You're SUCH A BAD ASS!
@carlosl5361
@carlosl5361 4 жыл бұрын
Very good videos. Good job Mentour Pilot. You explain everything with clarity and in a very clear English. And you reinforce very adequately your explanations with examples, photos or other videos that I guess are laborious to find and edit.
@davew5383
@davew5383 4 жыл бұрын
This is very interesting, I have never heard of a Dutch Roll before. I have heard about airplanes having a Yaw Damper but I have had no idea how it worked until this video. I really like how you explain it with lots of details, like having the video showing what a Dutch Roll looks like. It was very interesting to find out that the 707 had a Yaw Damper, I would think that it would be something more recently on airplanes with all the computer controls they seem to have these days. It sounds like a Yaw Damper on an airplane is kind of like cars now having stability control on them. Thank You Very Much, for making this video, I enjoyed it very much👍🙂
@brown-eyedman4040
@brown-eyedman4040 4 жыл бұрын
I know what a Dutch Crunch roll is. Apparently this is completely different.
@davew5383
@davew5383 4 жыл бұрын
@@brown-eyedman4040 Apparently🤔
@carlosdaroza
@carlosdaroza 4 жыл бұрын
Would not a yaw to the right mean that the direction of the airflow relative to the nose-tail axis be to the left, i.e. skidding with the left wing forward?
@davidbristow69
@davidbristow69 3 жыл бұрын
A yaw damper can be implemented with an analog control circuit. For the last several decades it's been easier to implement it in code in one of the avionics computers.
@GNX157
@GNX157 4 жыл бұрын
MentourPilot, thanks for making this video. I had made a request for a video on this a while back and thought it would never get made. I understand it much more now.
@Doc62J
@Doc62J 4 жыл бұрын
My son experienced this on a large air force plane last summer. Scariest moment of his life, he thought his time was up. Kudos to the flight crew for recovering and making a safe landing.
@mcm933
@mcm933 4 жыл бұрын
Thank you @Mentor Pilot, I just got my CPL last week and just I wanted to say thank you. ❤️
@CristianKlein
@CristianKlein 4 жыл бұрын
Finally got my wish fulfilled to have an episode about the yaw damper. Thanks @MentourPilot!
@canopyjunkie
@canopyjunkie 2 жыл бұрын
This applies to and explains things that happen to high performance parachutes, thanks for the thorough explanation, and now I have a name for it instead of "death wobbles"
@brealistic3542
@brealistic3542 3 ай бұрын
Excellent explanation of Dutch Roll. The NASA experiments into lifting bodies had this. The Space Shuttle used computer stability to help stop it. In my heart I believe there is a way with aerodynamics to minimize it in these lifting bodies.
@aerocap
@aerocap 4 жыл бұрын
I liked.. The explanations Your voice The adorable dogs Your expression on the thumbnail 😅
@selcukbirler6577
@selcukbirler6577 4 жыл бұрын
The nicest dogs I’ve ever seen, what a lovely dogs...
@Gu1tarJohn
@Gu1tarJohn 4 жыл бұрын
Had never heard of this before. My first thought was some kind of aerodynamic feedback loop, but there's way more to it. Very cool. This channel rocks.
@jessijacobs8
@jessijacobs8 Жыл бұрын
Incredible explanation 👏 👌 You put it across in such a simple easy way to understand. Thank you Petter!! 😊
@TheWeatherbuff
@TheWeatherbuff 4 жыл бұрын
Excellent segment, as always! Thank you, Captain! :)
@TgSnowwy
@TgSnowwy 4 жыл бұрын
Yaw Damper: "I sense a disturbance in the Force... on the plane."
@MentourPilot
@MentourPilot 4 жыл бұрын
😂😂
@chrisschack9716
@chrisschack9716 4 жыл бұрын
It's more a disturbance in the forces, isn't it?
@pyrokinethic
@pyrokinethic 4 жыл бұрын
Master Yaw-da
@kevinshen9391
@kevinshen9391 4 жыл бұрын
@@pyrokinethic Haha!
@marcopohl4875
@marcopohl4875 2 жыл бұрын
gives a whole new meaning too skywalker
@pawesawicki3237
@pawesawicki3237 4 жыл бұрын
This episode was brilliant :D more about aerodynamics please!
@abhishekghatge1704
@abhishekghatge1704 4 жыл бұрын
I mostly know the answer to these questions but i still end up learning something new every time. Great video!
@aryamans9459
@aryamans9459 4 жыл бұрын
A similar thing happens while riding a motorcycle where the handlebar starts wiggling rapidly from side to side. We call this a "Tankslapper". And we use something known as a steering damper to counter this motion.
@paulmurphy42
@paulmurphy42 4 жыл бұрын
Brilliant! Please do a video on how pilots at airports find the exact parking position, by using the lights on the stands, etc.
@frankzardini6224
@frankzardini6224 4 жыл бұрын
Fascinating podcast Mentour! I learned a lot. Thank you very much!
@brunogasperin
@brunogasperin 4 жыл бұрын
You are an inspiration for all of us who wants to become pilots! Thanks for another great video!
@vincentiusnuringsaptadisur7061
@vincentiusnuringsaptadisur7061 4 жыл бұрын
I really love how you explained technical things such as this. I am an aviation engineering student and understand more clearly from your video than my lecture :) could you also maybe make a video about Roll Subsidence and Spiral? I would definitely share this sort of educational video.
@Zorroxyz123
@Zorroxyz123 9 ай бұрын
That would be very useful too.
@DrPankajMalukar
@DrPankajMalukar 4 жыл бұрын
Thanks Mentour! Nice simplistic way of explaining Dutch roll. I believe on landing-on final, in a small aircraft where yaw dumper not available, if one tries to control Dutch roll can be worst & fatal. Enjoyed the video.
@SKARTHIKSELVAN
@SKARTHIKSELVAN 4 жыл бұрын
Thanks for your clear explanation.I wish you a very happy new year 2020.
@poorboybmx2511
@poorboybmx2511 4 жыл бұрын
Another great video, thank you very much, superbly explained and excellent graphics to accompany 👍
@AlielJorax
@AlielJorax 3 жыл бұрын
This was the best video on the topic I found and you deserve my sub for this.
@evilchaosboy
@evilchaosboy 2 жыл бұрын
Just watched a video where the "Dutch Roll" was a problem and I KNEW what they were talking about! I never forgot "The skaters"! Thanks, Mentour! \m/
@jasonh8043
@jasonh8043 4 жыл бұрын
Another excellent video. Interesting and Informative. THANK YOU
@Paulwhittall37
@Paulwhittall37 2 жыл бұрын
Great video. Just trying to grasp this in my PPL studies and found this 👌. Great content as usual 😎
@EleanorPeterson
@EleanorPeterson 4 жыл бұрын
I loved this. Although I got my PPL (now lapsed) on a Cessna 172 AGES ago, I still do a lot of kite flying and aeromodelling. I started out with free-flight aircraft as a kid and gradually moved on to RC planes. Lots of homemade designs, lots of experiments, lots of mistakes. Without necessarily understanding the scientific aspects of aerodynamics very deeply, old-school aeromodellers used to get a pretty good grounding in the basics of flight dynamics and stability without really knowing it. Many of today's expert RC modellers are terrific pilots, but they miss out on a lot of fun by only buying ready-to-fly planes, pre-trimmed, tried and tested. But playing about with your own designs and drawing up 'what-if?' plans is fascinating and fun. Dutch rolling was most noticeable on gliders (of around 10' wingspan) when free-flight designs were converted to radio-control. Early RC gear was very simple, offering just one channel: rudder only. To avoid constant crashes (no elevator, so pitch was non-negotiable!) the planes had to be self-stabilising, and the wings had lots of dihedral or even polyhedral. Touching the rudder gave a turn, plus a lot of swooping and wallowing; there was all sorts of fun playing about with dihedral, wing sweep, tail moment and vertical stabiliser area to reduce it. The problem disappeared when radio gear allowed full control (elevator and aileron, with less extreme dihedral). Happy days... :-)
@Lloyd2605
@Lloyd2605 4 жыл бұрын
Your best video yet. Please can we have more technical videos like this. Thank you.
@lizardfirefighter110
@lizardfirefighter110 4 жыл бұрын
The pop up above the dog, “Why doesn’t he go into another room, I am trying to take a nap!”
@rzarks
@rzarks 4 жыл бұрын
lizardfirefighter110 I'm just glad it's one thing they didn't named black for whatever reason. Stay fly.
@VulcanOnWheels
@VulcanOnWheels 4 жыл бұрын
Whenever you refer to a moment in a KZbin video, it's a good idea to include the time index. I usually do that at the start of the comment.
@FelipeFadini
@FelipeFadini 4 жыл бұрын
I like Mentour Pilot channel for two simple reasons: I can practice my English and I always learn something new, from a different point of view. Keep up the good fight and the good work!
@elyas-tavakkoli
@elyas-tavakkoli 4 жыл бұрын
This pilot 👨‍✈️ is very Friendly and I do like His videos , I have learned many things from this channel ! PLEASE KEEP IT UP 👍🏻
@greggyd321
@greggyd321 4 жыл бұрын
That was an awesome explanation of the DR! Now I just need to be able to cover my eyes with my ears :)
@Mash4096
@Mash4096 4 жыл бұрын
Very clear explanation. Thanks.
@artswri
@artswri Жыл бұрын
Who knew there was that much to learn about Dutch roll?! Thanks!!
@TheWindigomonster
@TheWindigomonster 4 жыл бұрын
You're helping me study for my theory of flight class!
@t0cableguy
@t0cableguy 2 жыл бұрын
I enjoy watching your videos about the way planes work and how to fly them even though I'll probably never be a pilot, because they put my mind at rest for being a passenger in a plane.
@almorkans3171
@almorkans3171 4 жыл бұрын
I really enjoy these more technical videos. I would love to more videos on upset recovery procedures.
@HotelPapa100
@HotelPapa100 4 жыл бұрын
The translational movement due to the tilted wings is not a yaw, that's a side slip. Yawing (rotation about the vertical axis) comes as a reaction.
@HotelPapa100
@HotelPapa100 4 жыл бұрын
@@acbulgin2 But he called the movement yaw. Which it isn't.
@villiamo3861
@villiamo3861 Жыл бұрын
Absolutely. I love his videos, but this is a fundamental problem with this one - the sideslip is the very thing increasing the lift of the downwing compared to the upperwing. Any yaw in that direction amounts to near- coordination of the turn and even-ing the flow over the wings.(That yaw does happen with the consequential effects on the rudder etc, but it is hardly the thing increasing lift in the lower wing relative to the upper). I genuinely think it must have been Petter not concentrating with the use of the word 'yaw' - but it's a bit of a flaw!
@rabuly77
@rabuly77 4 жыл бұрын
So we study this phenomenon in aerospace engineering. Our professor told us that the name came from the fact that the Dutch were, back in the day, sailors who spent very long times at sea, inherently getting used to the movement of the boat caused by the waves. Once they got to port and stepped on steady ground, they were known for struggling with the balance and walking in this characteristic manner weiving from left to right. Since the movement of an aircraft was somewhat similar, the name was attributed to this stability mode. This explanation is rather anecdotal and I have no idea if it is even true. Anyway I just wanted to share this with all of you. As usual, awesome video and awesome explanations. Keep it up!
@SF-li9kh
@SF-li9kh 4 жыл бұрын
Beginning of the video: I already know all these End of the video: Woah, didn't know much. Learned a lot
@mog882
@mog882 4 жыл бұрын
S F You are a good listener and a speedy learner, I am personally very proud of you. VERY proud.
@SF-li9kh
@SF-li9kh 4 жыл бұрын
@@mog882 Welcome to Jumanji
@Andy.Moores
@Andy.Moores 4 жыл бұрын
Hey Petter, currently completing ATPL and this was very interesting. Would be great if you can start to subtlety cover these ATPL topics from time to time. Great work & Thank you!
@patmurphy3410
@patmurphy3410 4 ай бұрын
My experience with a Dutch Roll came from my tail dragger coach making me practice endlessly. Roll the wings back and forth and use the rudder to keep the nose in the same place on the horizon. Makes for improved rudder skills for sure.
@henancasey6216
@henancasey6216 4 жыл бұрын
Amazing instructor Thanks
@SooperToober
@SooperToober 3 жыл бұрын
Thx for a great explanation
@tedavco
@tedavco 4 жыл бұрын
Thank you. Very well explained, noticed your video clip featured that famous tu154 incident so was that a mechanical problem causing an extreme Dutch roll
@brunopessanha
@brunopessanha 4 жыл бұрын
awesome explanation!!!! learnt so much! thanks!
@Maik_Budweg
@Maik_Budweg 4 жыл бұрын
Many thanks for this explanation. Now I can explain it to my friends in Netherlands :)
@matthiouioui
@matthiouioui 3 жыл бұрын
I remember on a plane me and the other kids/teenagers got to get it he cockpit at cruise. Then the copilot showed us how the yoke works by slightly taking it to right, and quickly back. That was super cool.
@n6mz
@n6mz Жыл бұрын
7:45 nice 777 animation. I'm sure my friend John Cashman (777 Project Pilot) got to disable the yaw damper and test the dutch roll tendencies of that beautiful a/c. Keep up the great work.
@airfoxtrot2006
@airfoxtrot2006 4 жыл бұрын
Fantastic video Mentour very interesting i enjoyed watching it.
@MONRFin
@MONRFin 4 жыл бұрын
Very good explanation, thank you very much!
@tedjensen8841
@tedjensen8841 4 жыл бұрын
Learned something new. Thank you so much.
@JohnRodriguesPhotographer
@JohnRodriguesPhotographer 2 жыл бұрын
Learned about this reading about F100 and later I think the F4. Before the internet. Your explanation is more detailed and understandable.
@jeffhoser7717
@jeffhoser7717 4 жыл бұрын
If memory of several decades and many cabin hours serves some variants of early swept wing transports were particularly prone to this phenomona . The " stretched " DC-8 come first to mind but I've experienced 'Dutch Roll ' in Boeings as well. First hand I can attest it makes for an uncomfortable and tiring flight when your ' level bubbles ' are in a constant state of agitation ! A very good video and excellent explanation of the phenomona . Personal thanks from an old ' beast ' for an excellent channel ! FWIW, I've long held experiencing dutch roll in calm conditions back in the day may have resulted from some minor aircraft mis-rigging issues autopilot sensitivity conflicts . In today's digital world I would expect better .
@trainout2grass1
@trainout2grass1 4 жыл бұрын
Thanks very much, learnt a lot again.
@clintonandrews1538
@clintonandrews1538 4 жыл бұрын
Dear Mentour: at 5:00 are you sure about the graphic? If the aircraft rolls right and yaws right, won't the air flow be coming from the left (the former straight forward path of the aircraft?) I enjoy your videos, including the non-verbal commentary of your co-pilot (the furry one.) All the best!
@ChrisCupples
@ChrisCupples 4 жыл бұрын
Puppers are too cute 😍, and great vid 👍👍
@MGTOW-nn9ls
@MGTOW-nn9ls 4 жыл бұрын
Hello Mentor Pilot. I love your videos and would like to ask the following question : How turn coordination on B737NG is done when autopilot is engaged. B737NG is two axis autopilot and deflection of the rudder is not controlled buy the FCC
@dianneb2224
@dianneb2224 4 жыл бұрын
I’ve heard of a Dutch Roll but never knew what it was. Now I do. And knowing why it’s called that helps to understand it. I learned something today.
@faisaljumean7411
@faisaljumean7411 2 жыл бұрын
Well explained
@dr_j0nes
@dr_j0nes 3 жыл бұрын
Now I finally understand it. Thank you! :)
@Nobilangelo
@Nobilangelo 4 жыл бұрын
Fascinating. Thank you.
@TheLusus
@TheLusus 4 жыл бұрын
Nice to see that yoy choose the SAAB Gripen when you cliped in the fighter jet example!
@KronosIV
@KronosIV 4 жыл бұрын
This aerodynamics topic is extremely interesting (to me at least) and you explain it very, very well. Thank you, Mentour! Interestingly, my former flight instructor told me the origin of the term 'dutch roll' was a meat-filled spiral pastry from Holland, a shape similar to the directional line traced by the nose of the aircraft as it moved during the described motion. I wonder if any other American students have been told that?
@Phaidrus
@Phaidrus 4 жыл бұрын
Excellent video, thanks!
@pswooley
@pswooley 4 жыл бұрын
Yes I had I flight over the Rockies that had a lot of that motion. I think we slowed down a little to reduce it.
@RJ-rt1jp
@RJ-rt1jp 4 жыл бұрын
400 views in the first 5 minutes This channel is very successful!
@mog882
@mog882 4 жыл бұрын
R J I came up with the term “feathered fish” while I was tripping on ketamine in a ketamine clinic. It just popped into my head, “my fine ‘feathered fish.” I thought it might’ve been a significant find so I did a web search for “feathered fish.” Now you know this.
@roger1965100
@roger1965100 4 жыл бұрын
@@mog882 can i ask what you were at the clinic for? was it one of those controlled admissions of ketamine by a doctor for psychoanalytical reasons?
@harrisonhine243
@harrisonhine243 4 жыл бұрын
Hi Mentour - I have enjoyed your KZbin Videos and want to make a comment about what happens later in life for an airline employee. My wife was a flight attendant for United Airlines for 34 years and retired in 2003. (Obviously we are now in our early 70's) She retired with both flight benefits for life as well as Health Insurance for both of us. We have enjoyed both and thankfully United is still in business. I know the listing status of SA travel varies by airline but at United boarding priority is by seniority. That fact has been a boon to us since her 34 years usually puts us at the top of the standby list. However, after so many years we know never to count on getting on a particular flight. The nice thing about the system United uses now is that we have access the the actual load factor for each flight as well as the other employees/retirees that have listed for the flight and their seniority. It makes the process easier but it is never full proof. Also there are many times when we have been delayed for days (5 days in Honolulu, 3 days in Rome) waiting to get to our destination. We have also made very unusual routes to get from point A to point B because that is where the seats were available. I think many new airline employees and their families have an unreasonable expectation of what pass flying is like and they need to know that you have to be flexible and go with the flow always allowing extra time to get to and from your destination and back home again. The most upsetting thing we have seen is for un-accompanied companion passengers who are new to pass ride flying being upset because they don't get on a particular flight. I think you should do a segment on the joys and tears of Pass travel. Cheers from Florida!
@Hopeless_and_Forlorn
@Hopeless_and_Forlorn 4 жыл бұрын
The problem of Dutch roll on swept-wing aircraft was first encountered during flight tests of the revolutionary Boeing B-47 bomber, some seventy years ago. The first yaw damper system was developed and installed on that aircraft, and then carried over onto commercial models of swept-wing transport aircraft. The cockpit yaw damper indicator which Mentour mentioned was not installed to indicate yaw damper movements in flight, but to allow flight crews and maintenance to verify proper yaw damper operation while the aircraft was safely on the ground. To facilitate this, a test switch below the indicator could be pushed to the left or right to initiate a deflection of the yaw gyroscope in the yaw damper coupler, simulating a yaw of the aircraft. The rudder movement in response to the yaw damper output was clearly visible on the indicator. One day, a pilot for an early operator of the Boeing 737-200 aircraft decided to test the yaw damper in flight. Unfortunately, the response to his actuation of the switch, which was not intended to be used in flight, was not attenuated by the high airspeed of the aircraft, as was normal yaw sensing and processing. The resulting, excessive rudder movement caused severe yawing of the aircraft and, as I remember, injured a flight attendant. Shortly after that, plastic guards were installed over the yaw damper test switches as a reminder that they were not to be used in flight. On those early B737 aircraft, it was allowable to dispatch an aircraft for a flight with an inoperative yaw damper, with certain restrictions on use of the autopilot at altitude. Flight attendants dreaded flying on an airplane without yaw damping. The resulting Dutch roll in flight was barely discernible to most passengers, but frequently resulted in motion sickness among passengers seated aft, far from the aircraft center of mass. This manifested itself in vomiting by the affected passengers, which affected passengers seated in the next row forward, and so forth, and might result in a large number of airsick passengers by the end of the flight. Not too many years previous to this phenomenon, passengers routinely experienced far worse while flying through turbulent lower altitudes in slow moving DC-3s. In some ways the golden age of air travel had a greenish tinge to them.
@yasirmohammedali
@yasirmohammedali Жыл бұрын
Hi captain, thanks for the video
@fhuber7507
@fhuber7507 4 жыл бұрын
Dutch roll is an interesting phenomenon that I run into often flying RC models. Its almost impossible to eliminate with the high power to weight ratio. There's almost always some flight condition that will get the tail wagging. I often get the tail wagging in the takeoff climb if I don't let the aircraft gain enough airspeed. If that is the only time it is seen, I stop trying to cure it through changing the design of the aircraft.
@awanzadahamid7397
@awanzadahamid7397 3 жыл бұрын
Great ....explained very well🥰🥰🥰
@BG-wm2tw
@BG-wm2tw 4 жыл бұрын
I thought he was going to talk about variation of tootsie roll from Netherlands called Dutch Roll. Very good video 👍👍😃😃
Fatal Error! How UPS Flight 1354 Ended in Disaster
40:59
Mentour Pilot
Рет қаралды 698 М.
What is DUTCH ROLL?
4:12
flight-club
Рет қаралды 287 М.
0% Respect Moments 😥
00:27
LE FOOT EN VIDÉO
Рет қаралды 45 МЛН
World's Most Bizarre Airline - North Korea's Air Koryo
18:03
Sam Chui
Рет қаралды 2 МЛН
The Airbus A380: The Incredible Plane that No One Wants
20:09
Megaprojects
Рет қаралды 2,2 МЛН
Unforgivable!! The Tragic tale of Air Algérie Flight 6289
25:23
Mentour Pilot
Рет қаралды 3,2 МЛН
Boeing’s Downfall - Going for the MAX!!
24:42
Mentour Now!
Рет қаралды 239 М.
How much does it cost to FUEL an airliner?!
20:07
Mentour Pilot
Рет қаралды 323 М.
Things You Should NEVER Do In An AIRCRAFT?!
20:30
Mentour Pilot
Рет қаралды 205 М.
How do the "Stabilizers" work?
18:18
Mentour Pilot
Рет қаралды 230 М.
DEADLY Attitude! The Truly Shocking story of Pakistan Airlines 8303
54:24
Mentour Pilot
Рет қаралды 2,3 МЛН
We Must Land NOW!! The Incredible Story of Singapore Airlines Flight 319
37:06