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  • 26/07/2018 को प्रकाशित
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    Gear down, three green and let´s get started!
    So let´s look at the different types of landing gears. The most common one out there is the single axle landing gear with a tyre fitted on each side mounted to a large strut. Mostly used on passenger jets such as the Boeing 737 and Airbus A320.
    With increasing weight, you need more surface, so more tyres to evenly distribute the weight of the aircraft.
    So if we look at the main landing gear of the Boeing 757, you have the main landing gear strut, which by the way is filled with nitrogen acting as a spring force and hydraulic fluids for dampening. Then you have the truck or boogie, and four tires in tandem pairs. But more importantly, for today´s topic, you see this little hydraulic actuator right here, the so-called truck positioning actuator aka the tilt actuator. This little actuator is attached aft of the main gear strut and pushes the rear wheels downwards forcing the forward wheels to move upwards as the truck is axially mounted to the main strut.
    As the plane comes in for landing, the rear wheels touch-down first. The actuator holds up against the pushing force, otherwise, the rear tires could bounce up, slamming the forward tires into the ground. Once the weight of the plane presses the tires onto ground, a pressure relief valve opens up and the actuator collapses letting both tires touch down. This all happens in the split of a second. Once the actuator is fully compressed, so weight on wheels, it triggers the air/ground sensing unit from air to ground before the nose wheel has touched down, automatically extending the ground spoilers and allowing thrust reverser deployment and depressurizing the aircraft etc.
    But see more in the video
    Thanks for watching, all the best your "Captain" Joe
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    Outro Song:
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  • विज्ञान और तकनीकविज्ञान और तकनीक

टिप्पणियाँ • 2 977

  • Dustoff85
    Dustoff85 13 घंटे पहले

    Thank you for taking the time to explain this, I actually wondered about this..

  • Edward Garcia
    Edward Garcia दिन पहले

    2:02 thos wheels look like they need a change

  • Nikita Petushkov
    Nikita Petushkov 3 दिन पहले

    Has anyone else noticed this video is 747?

    • тнεηιяø
      тнεηιяø दिन पहले

      Everyone with plane knowledge i assume

  • Shourya Saraswat
    Shourya Saraswat 4 दिन पहले

    Creepy laughter guy

  • Almost Mr. Worldwide
    Almost Mr. Worldwide 5 दिन पहले

    I have the pleasure of watching C5 Galaxy on final approach almost every day. Sadly flight frequency has greatly diminished these last few years.

  • hbarudi
    hbarudi 5 दिन पहले

    The wheels and tires seem totally different from those on the average car. This can possibly be due to how much they have to survive stronger forces per take-off, driving on airport plane roads (taxiing?), and especially landing.

  • Brahim Oukhouya
    Brahim Oukhouya 5 दिन पहले

    i'm not planning to be a pilot, but knowledge is good anyways

  • Nicolas/Jacob C.
    Nicolas/Jacob C. 5 दिन पहले

    Bless God that I am just a mechanic for lead jets, " come on just make a fast strut service, ok I take the truck for the 5 meter jacks" xD

  • Jamaluddin Shaikh
    Jamaluddin Shaikh 5 दिन पहले

    Captain...... Plz make a video on how does brake works

  • iluminati confirmed
    iluminati confirmed 6 दिन पहले

    Did you mean tilted towers

    GAMER SENGKLEK 7 दिन पहले

    Boeing 747 Vs 7:47 minute in video 😁😁😁

  • Alaska Flyer & gaming
    Alaska Flyer & gaming 7 दिन पहले

    I thought it was weight that brought the wheels down.

  • Bechay Ramos
    Bechay Ramos 8 दिन पहले

    Thanks, very informative.

  • Lambda Studios
    Lambda Studios 8 दिन पहले

    I swear to FUCK I keep hearing the Slo Mo Guys music

  • Jason Todd
    Jason Todd 9 दिन पहले

    I love u blue eyes i has blue eyes to XD

    YUNG SHAGGER 9 दिन पहले

    So satisfying when the gear comes out from within the bay...

  • Iwon
    Iwon 10 दिन पहले

    Captin obvious

  • Giridhar G S
    Giridhar G S 11 दिन पहले

    Now shoes is the issue 😂😂

  • Fritz Fragemann
    Fritz Fragemann 11 दिन पहले

    2:57 your socks, Joe? 😂😂

  • Tamil Selvanak
    Tamil Selvanak 11 दिन पहले

    Thank you for this usefull information sir

  • meg rai
    meg rai 12 दिन पहले

    Thank for sharing your knowledge, captain 👨‍✈️

  • D E
    D E 12 दिन पहले

    I thought the wheels were tilted to make the landing smoother.

  • Theshinybrighttruth
    Theshinybrighttruth 12 दिन पहले

    Excellent job Captain. Safe and smooth pancake landing.

  • Star Malinga
    Star Malinga 12 दिन पहले +1


  • SuperWho Merlock
    SuperWho Merlock 13 दिन पहले

    Hahahhah the time is 747

  • FNA clan Disco
    FNA clan Disco 13 दिन पहले +1

    CAPTAIN JOE:”Tilted landing gear”

    • Malik1705 Gaming
      Malik1705 Gaming 4 दिन पहले

      FNA clan Disco lol xD fortnite *TILTED TOWERS*

  • The Portuguese Sassy Stew
    The Portuguese Sassy Stew 14 दिन पहले

    How can you hate on this guy? 594 people are jealous?

  • Prem Kumar
    Prem Kumar 17 दिन पहले +1

    What happens if the aircraft is on the ground and we lift landing gear lever up?

    • Mohammad Saad
      Mohammad Saad 14 दिन पहले +1

      That will not happen because the sensors know that the plane is on the ground and will not lift the landing gear up, but in the hanger engineers can override this sensor only after putting the entire weight of the plane on jacks. You can see at 5:56

  • Tarek Tawfik
    Tarek Tawfik 17 दिन पहले

    Now I know that you are straight!

  • Phyllis Friedman
    Phyllis Friedman 17 दिन पहले

    OMG, JOE!!!

  • Phyllis Friedman
    Phyllis Friedman 17 दिन पहले


  • Phyllis Friedman
    Phyllis Friedman 17 दिन पहले


  • Phyllis Friedman
    Phyllis Friedman 17 दिन पहले


  • Yaasin Hamandishe
    Yaasin Hamandishe 17 दिन पहले

    Why do the wheels close

  • jaguar1223
    jaguar1223 18 दिन पहले

    what a waste of time

  • iah se
    iah se 19 दिन पहले

    Always. Great...

  • Abdurrahman Sembiring
    Abdurrahman Sembiring 19 दिन पहले

    Bener ternyata, Captain Vincent subsnya lebih banyak.

  • iKrromz
    iKrromz 20 दिन पहले +1

    كامل الاحترام لك على توفير الترجمة باللغة العربيه...

  • Roberto Diniz
    Roberto Diniz 21 दिन पहले

    I am Brazilian and I'm always watching your channel. The videos are amazing :) Congratulations

  • Trevor Philips
    Trevor Philips 22 दिन पहले

    Perfect explanation bro you're a genius.

  • six quizon
    six quizon 23 दिन पहले

    Dutch pilot girl is now Cinderella now its joes time to find her

  • Elon Musk
    Elon Musk 24 दिन पहले


  • Londiwe Vananda
    Londiwe Vananda 24 दिन पहले +2

    Being a pilot is so fascinating and I've always been in love with it...

  • M'Raiji Kevin
    M'Raiji Kevin 25 दिन पहले

    whose shoe is that capt?

  • MarcelEwen
    MarcelEwen 25 दिन पहले

    your a good man thanks for the info ❤️

  • el negros
    el negros 29 दिन पहले


  • Mathew Zacharia
    Mathew Zacharia 29 दिन पहले +1

    Dutchpilot forgot her high heel more like she forgot her virginity at his house lol and she rotated towards captain joes rudder 😏😂🤣

  • Hashali Philemon
    Hashali Philemon महीने पहले +2

    You are such a good teacher/instructor . Many blessings from Namibia Windhoek

  • Ed Evans
    Ed Evans महीने पहले

    Captain Rent a Shirt explains what Captain Obvious already knew. How about a vid on why First and Business class get all the service and Steerage class get FA??

  • gio sig
    gio sig महीने पहले

    Anyone else noticed that is is 7:47 minutes long??

  • Ryan V
    Ryan V महीने पहले

    I have an issue. I looked at a Boeing 767-300ER, the truck actuator is mourned aft just like the 757. Please help

  • Abstract Russian
    Abstract Russian महीने पहले +1

    Holy Christ! Why people are so prone to slander innocents. Why your depraved mind make up vulgar sophisticated stories while there can be much much simpler explanation. Maybe they were just discussing aeronautical engineering and used shoes as a B777-300 landing gear model (while also reading the Bible).
    This is very inappropriate! You are on the Internet, there are a lot of kids!

  • Yosef918
    Yosef918 महीने पहले +10

    7:47 the video is 7 minutes 47 seconds *The plane reference *

  • John Martinez
    John Martinez महीने पहले +3

    Why is the tower tilted in fortnite?😂

  • jilo kizito
    jilo kizito महीने पहले


  • Steve Velobahn
    Steve Velobahn महीने पहले


  • My Space
    My Space महीने पहले

    It would be interestnig to know the weight of each landing gear.

  • Chris Musix
    Chris Musix महीने पहले

    We need to deal with this whole space/time issue ONCE AND FOR ALL!!

  • Stouffer
    Stouffer महीने पहले

    Nice channel, but it could benefit from a cockerpoo co-star.

  • DT
    DT महीने पहले

    Why (and, mostly important, how) , during landing, the big Airbus models seem to have some special mechanism that (contrary to the Boeing ones) - after the first set of wheels touch the ground - appear to reduce the speed of touching down or, in other words, to briefly regain some lift and then proceed with the landing?

  • M4rco
    M4rco महीने पहले

    *My Ambition Is Pilot*😍😍

  • Rory Quirke
    Rory Quirke महीने पहले

    does anyone hear the slowmoguys slow motion music in the background?

  • JTMarlin8
    JTMarlin8 महीने पहले

    Sweet socks at 3:00. Are they yours?

  • john brown
    john brown महीने पहले

    I still reckon they should be able to put load sensors into the landing gear, so they know how much weight the pilot has to concern him/herself with when determining how much power to be applied for takeoff. Scraping the tail on take off because the load calculation was wrong should be a thing of the past.

  • Shiny Growlithe
    Shiny Growlithe महीने पहले

    That penguin (Edit:Dolphin)though

  • ferd fernan
    ferd fernan महीने पहले

    Joe, do the wheels stay turning once they are stowed in the well?

    • Chris R
      Chris R महीने पहले

      ferd fernan On the mains no. Nosewheel yes

  • Tai Teck Khong
    Tai Teck Khong महीने पहले

    Conveniently, length of the video is 747 :)

    MUSTAPHA SADOK महीने पहले

    Thanks captain for interessing videos.... Would make video on all communication equipments on airplane ? Big Fat Thank you

  • KubedGamer
    KubedGamer महीने पहले

    They fit it the wrong way

  • Ninad Taralekar
    Ninad Taralekar महीने पहले

    Hello Captain.. very nice explanation with great examples... Thank you for the video

  • Ameer
    Ameer महीने पहले

    This video is 7:47 mnts lonng. Illuminati confirmed

  • Jeremy Stock
    Jeremy Stock महीने पहले

    Great video! Always learning

  • Red Bear
    Red Bear महीने पहले

    I didn’t get a single thing on this video

  • Nathan Lambert
    Nathan Lambert महीने पहले

    I'm sorta glad I didn't know about the C-5s gear during the time I've flown on them

  • Noodle999
    Noodle999 महीने पहले

    Good video. Is the 7:47 duration deliberate? :)

  • Peyton Finch
    Peyton Finch महीने पहले

    They smashed

  • Neil Shrinath
    Neil Shrinath महीने पहले

    Is that the SloMoGuys background music in the background of this video?

  • Couch gaming 12
    Couch gaming 12 महीने पहले

    What is the cowencedence that the video is 7:47 long

  • Wasantha Padmasiri
    Wasantha Padmasiri महीने पहले

    You are friendly and explain well . I bless you with Triple Gem!

  • Keith Lincicum
    Keith Lincicum महीने पहले

    Captain Joe: ( or anyone else that wants to answer) In 2005 I flew from Chicago to Portland Oregon on and MD-80 and was seat directly over the wing so I could help with the exit door. After we took off and gained cruising altitude, I looked down at the wing at a 4X4 inch door with a screw holding it down. It was bitter at O'Hare, below zero and we had to be de-iced. A clear fluid was coming from around the door's edges so I wrote it off as de-icier. After a half-hour it was really gushing out and running down the wing, so I quietly called the flight attendant over to quietly ask if that was normal. She got on the phone with cockpit and a few minutes later came back and said the pilot had noticed fuel use was slightly higher than normal but that we had plenty. What was that door and what could cause us to loose what I guess to be a gallon-a-minute from under it?

  • Jackson Butler
    Jackson Butler महीने पहले

    Was anyone else weirded out my the Slow Mo Guys music

  • brazy birb
    brazy birb महीने पहले

    video is significantly better at 1.25 speed cx

  • FlyToChina0071
    FlyToChina0071 महीने पहले

    Hi Joe. Another nice video. I guess with your new job, you are looking for "5 green" instead of the "3 green"

  • Stokesbury
    Stokesbury महीने पहले

    Thank you for posting. Your videos are superb.

  • Stokesbury
    Stokesbury महीने पहले +4

    That grin when talking about the shoes. You dawwwwwwwg you !!!. :)

  • russell379x
    russell379x 2 महीने पहले

    how about the Antonov cargo jet .... that’s a looooota tires

  • PitotPete
    PitotPete 2 महीने पहले

    Great video, very educational! Would be good if you could include some other benefits of the bogie wheel design though, for example reduced tyre pressures and lower ACN's.

  • Volker Siegel
    Volker Siegel 2 महीने पहले +1

    CAPTAIN JOE - The high heel part is absolutely brilliant! (As is the design of the shoe.)

  • knvolidge is the the greatest power
    knvolidge is the the greatest power 2 महीने पहले

    Why is vid 7 min 47 sec long?

  • Zoxkxr
    Zoxkxr 2 महीने पहले

    This Video tilts me

  • Yael Vega Rojas
    Yael Vega Rojas 2 महीने पहले +3

    Dutch Pilot's high heels? Haha i love you two guys

  • 308KarlAviation
    308KarlAviation 2 महीने पहले

    Also a landing gear of a 747 and the A380 would be a good comparison. Similar to a 767 and A330 comparison

  • Aircraft Planet 1998
    Aircraft Planet 1998 2 महीने पहले

    Did not know this Joe

  • Ahsan Shah
    Ahsan Shah 2 महीने पहले

    By whole other story he means moon landing was fake!

  • E I N S
    E I N S 2 महीने पहले

    Because planes are shit cheap machines like busses with wings.
    That's why they crash and need maintenance evey week

  • Alec Sheen
    Alec Sheen 2 महीने पहले

    Loved the video thanks :), music was great.

  • Derp Sm00re
    Derp Sm00re 2 महीने पहले

    My answer before watching this video would be to help butter the landing

  • Sharpy
    Sharpy 2 महीने पहले

    Has there been a video about whether the wheels should be spinning before landing to reduce friction wear of striking the tarmac?

  • daghrb6
    daghrb6 2 महीने पहले +1

    They could also pre-spin the wheels for landing so they don't go up in smoke at touchdown..

  • Shrek Overlord
    Shrek Overlord 2 महीने पहले

    *Airforceproud95 Has left the channel*