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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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  • विज्ञान और तकनीकविज्ञान और तकनीक

टिप्पणियाँ • 2 779

  • ronin 717
    ronin 717 53 मिनट पहले

    Fuck you dude

  • Victoria G
    Victoria G दिन पहले

    A true pilot makes a 7:47 long video lol

  • Ivan Gospodinov
    Ivan Gospodinov दिन पहले

    What's the name of the song ?

  • pebewiu
    pebewiu 2 दिन पहले

    It is also a kind of applied physics for me. Pulling a sledge (for example) is easier than pushing it. If rear tires are down it looks like the first tires to touch down are being pulled, in this way the touch might be a bit smoother. If the front ones touch down first, it won't be smoother, but I guess the plane would lose more of its (kinetic) energy in the first seconds of landing.

  • VirusRenegade 0110100
    VirusRenegade 0110100 5 दिन पहले

    1st landing gear version
    Me: ok
    2nd landing gear version
    Me: Oke...?
    3rd landing gear version
    Me: WTF?!

  • Airbus A330 Asiana Airlines
    Airbus A330 Asiana Airlines 5 दिन पहले

    The B747 Has a tilted gear

  • Gabriel Bernal
    Gabriel Bernal 6 दिन पहले

    If you want to know something about an airplane ask a mechanic not a pilot

  • James Cowan
    James Cowan 8 दिन पहले

    Good presentation. I've always wondered about this. Everything I ever worked on had single axle main gears.

  • FLY Disability FREE
    FLY Disability FREE 8 दिन पहले

    Captain Joe, why do you wear SFO epaulettes as "Captain"?

  • Shree Krishna Sunar
    Shree Krishna Sunar 9 दिन पहले

    Joe,what do you mean by gravity extension lever of A320?

  • Connor Cunningham
    Connor Cunningham 9 दिन पहले

    DPG is Cinderella now

  • Connor Cunningham
    Connor Cunningham 9 दिन पहले

    joe you cheeky boy

  • Leon Cao
    Leon Cao 10 दिन पहले

    I always called it “The landing gear flaring”

  • EzbonGamer
    EzbonGamer 10 दिन पहले

    Guys if u look at the time finish it’s 7:47 means Boeing 747

  • scidav87
    scidav87 12 दिन पहले

    How can a captain only have 3 stripes?

  • James Mak
    James Mak 12 दिन पहले

    uhhhh the video length is 747 so ironic

  • Ben Kaufman
    Ben Kaufman 13 दिन पहले

    How did Dutchpilotgirl leave her shoe? Is this a thing? Did Joe steal her shoe?

  • ehsan83
    ehsan83 15 दिन पहले

    who like me is having breakfast while learning about landing gear systems by Captain Joe?
    Excellent job Captain thank you 👍🏼

  • 08turboSS
    08turboSS 15 दिन पहले

    Capt Joe, its landing gear plural, not gears.

  • Aidan Murphy
    Aidan Murphy 15 दिन पहले

    I have seen two C-5s walked though one at an air show.

  • SandFPV
    SandFPV 16 दिन पहले

    Well that was a disappointing reveal..

  • the galaxy apple
    the galaxy apple 16 दिन पहले

    fortnite players: is it tilted towers? Me: lol

  • Dinangan Transit Channel
    Dinangan Transit Channel 17 दिन पहले

    1:46 Butter

  • Velocity
    Velocity 17 दिन पहले

    Love how the video ends at 7:47

  • AKV BROS l Gaming, Drama & Dances
    AKV BROS l Gaming, Drama & Dances 17 दिन पहले


  • GermanTrekkie
    GermanTrekkie 18 दिन पहले

    c5 galaxys landing gear are very risky in my opinion. I mean it worked all the time but its still a high risk

  • Jose Marcio Ribeiro
    Jose Marcio Ribeiro 18 दिन पहले

    Congratilations cap. Joe...

  • Suwarna Oli
    Suwarna Oli 19 दिन पहले

    Is this guy a pilot or a aeronautical engineer?🤷🏻‍♂️🤷🏻‍♂️🤷🏻‍♂️

  • bachelors of trolling degree, 2013
    bachelors of trolling degree, 2013 19 दिन पहले

    If storage space is such an issue, why dont the engineers just remove the gear from the plane?

  • bachelors of trolling degree, 2013
    bachelors of trolling degree, 2013 19 दिन पहले

    I wish I could download all your plane knowledge into my head

  • Comet WoTB
    Comet WoTB 19 दिन पहले

    The length of the video is... 7:47 ... 747

  • Glenn Cronise
    Glenn Cronise 19 दिन पहले

    Dammit, now I have to go search for the dutch pilot girl video.

  • Intelligent Horse
    Intelligent Horse 19 दिन पहले

    The answer would be more of common sense. The plane lands at a certain angle, the landing wheels cannot remain straight when landing, otherwise they could break. When tilted, its more of a balance, so it flows while the plane completes its landing.

  • Salvage Productions
    Salvage Productions 19 दिन पहले

    Yiu could say that in 1 sentence.

  • Shylesh Srinivasan
    Shylesh Srinivasan 19 दिन पहले

    Thanks for this video ! Really enlightening ! I'd like like to ask though, what would the pilot do if the tilting hydraulic actuator failed to tilt align the landing gear before folding it into the bay ?

  • Hardin Thicke
    Hardin Thicke 20 दिन पहले

    Its like everything I’ve ever believed in my life is a lie.

  • Shadow Clan
    Shadow Clan 21 दिन पहले

    0:25 did ATC just say lulu lemon or am I hearing things?

  • Chance Bjornstad
    Chance Bjornstad 21 दिन पहले

    My mans a savage

  • Kevin Pippin
    Kevin Pippin 21 दिन पहले

    Get up and Boogie

    FOXY THE FOX 21 दिन पहले

    Why do pilots land by the rear wheels?

  • zeus lim
    zeus lim 21 दिन पहले

    OK, so I've been walking wrong.

  • kenito karanja
    kenito karanja 22 दिन पहले

    Wow I am grateful to find this channel

  • ConsecDesign
    ConsecDesign 22 दिन पहले

    First time here, so maybe this has been addressed at some point in the past: you're called captain Joe, but your epaulets show only 3 stripes, indicating that you're a first officer. What's up with that?

  • Kickinpony.66
    Kickinpony.66 22 दिन पहले

    The C-5 is an amazing aircraft.

  • Alduin Hearth
    Alduin Hearth 22 दिन पहले

    Tilted Landing Gear Knowledge, my kind of degree in college.

  • Sven B.
    Sven B. 22 दिन पहले

    Ein ähnlich gutes Beispiel für den war jener Mechanismus an der XB 70 dort wurde das Fahrwerk quer verstaut

  • Oussama Benmansour
    Oussama Benmansour 22 दिन पहले

    What a depressing answer

  • Kelvin Choi
    Kelvin Choi 22 दिन पहले

    When you got no day off for 365 day every year , you will be tilted too.

  • Schranzoslavek
    Schranzoslavek 22 दिन पहले

    Nice socks :D

  • Boonhua How
    Boonhua How 23 दिन पहले

    Video length being 7:47

  • p-y bern
    p-y bern 23 दिन पहले


  • Giieko
    Giieko 23 दिन पहले

    Why is landing gear tilted?
    Because their support main won’t switch off DPS.

  • carlos ulloa
    carlos ulloa 23 दिन पहले

    Hello friend Its posible actívate subtitles in Spanish (tradicional mal Spain) please? Thks a lot

  • Diptendu Das
    Diptendu Das 23 दिन पहले

    Do like to be a pilot from small

  • hoopsheavenpa
    hoopsheavenpa 24 दिन पहले

    Love your channel!

  • Toxi 2209
    Toxi 2209 24 दिन पहले +6

    Talk about the Antonov 225

  • Sebastian Contreras
    Sebastian Contreras 24 दिन पहले

    The C5 is such a cool plane. I always learn something neew and cool about it

  • TH3 M4RV
    TH3 M4RV 24 दिन पहले

    So Dutch Polit Girl left her shoe at your place huh?? See what you did there😏

  • GeorgeDaymondLush
    GeorgeDaymondLush 24 दिन पहले

    Unusually a 2nd comment and totally off subject. Captain Joe if in your off time you have ever tasted Penfolds Bin 707 then this will be for your readers. If you haven't yet tasted then you should. Bin 707 was named by an ex-Quantas man after the Boeing 707. Few people would have predicted bin numbers would attract so much cachet. It is a wine that will eclipse most first growth Bordeaux so worth a try.

  • GeorgeDaymondLush
    GeorgeDaymondLush 24 दिन पहले

    This is pure gold but it makes me feel guilty. I had heard V1 and I had heard the expression "flying" or "we're flying" and on holiday a month ago I knew there was an ex-BA captain and his wife (remember old contract!) so I grabbed him at a drinks party to ask him to explain. He never finished because everything he said produced further questions usually at 4 am when I couldn't sleep. Poor man was backed into several walls.

  • Saladin Sab
    Saladin Sab 24 दिन पहले

    The equation must be like this: which is more likely possible in real world solid ground test; taking off without gear or landing without gear? Taking off without gear is only in cartoons. The answer obviously is landing without gear. So by implication we should call them "TAKING OFF GEARS". And i like your provocative silly but smart question.:)
    After all how could you " land" if you've never "taken off"! So I go with TAKE OFF GEARS. That's it for me.

  • Sifei Liu
    Sifei Liu 25 दिन पहले

    I live in south queens in NYC, not far from the JFK, I see all different kind air plane taking off and landing every minutes, every time l’m fascinated by it, how a big ass metal can taking off and landing so smoothly and flying for a long period of time... lol love it!

  • CookiezX VLOGS
    CookiezX VLOGS 25 दिन पहले

    Gear is tilted to make planes butter better

  • ryan marimuthu
    ryan marimuthu 25 दिन पहले

    Captain Joe I see you have a model concord mounted on the wall
    Have you ever piloted one

    CROC LIFE 25 दिन पहले

    We want butter landings that’s why

  • Gamer king The king
    Gamer king The king 25 दिन पहले

    I've seen a D.C. 10 at Ewr with an extra single gear in the center of the fuselage to distribute the weight .

  • bike lover and MORE
    bike lover and MORE 25 दिन पहले

    This video is seven minutes and forty seven 747

  • ladainian foster
    ladainian foster 26 दिन पहले

    I love your. Vids

  • MJW
    MJW 26 दिन पहले

    I ask a commercial pilot about that tilt years ago and he didn't have an answer which to me was scary. I think B-52 crab landing gear is the coolest.

  • Larry Dockery
    Larry Dockery 26 दिन पहले

    rock on capt joe i am a l-10 11 guy my self i miss them old girls

  • steemdup
    steemdup 26 दिन पहले

    the boogie? lol

  • Issou Chancla
    Issou Chancla 26 दिन पहले

    Why the title is in french damn and the contain is in english ?!

  • Gerard Moran
    Gerard Moran 27 दिन पहले

    Well done Joe!

  • awkerper
    awkerper 27 दिन पहले

    I love the way you explain how the aircraft systems and mechanisms work. Very interesting! :)

  • Aleatha Vogel
    Aleatha Vogel 27 दिन पहले

    Now that he mentioned it, Captain Joe needs to post a video of him doing the moonwalk. ;)

  • Michaśkowaty
    Michaśkowaty 27 दिन पहले

    How to create subtitles in my language?

  • Myles Feuer
    Myles Feuer 27 दिन पहले +13

    When you realize the video is 7minutes and 47seconds long.
    Other person:😐

  • Genda Minoru
    Genda Minoru 27 दिन पहले

    First, thanks for the videos. Many pilots don't know or care how their airplanes are engineered. But some of us want to know as much as possible beyond our type ratings, as obviously do you. Of course, it is about clearances and retract geometry, but the discussion about WoG or WoW is not pertinent to the tilt cylinder, as even older twins like 737 classic and MD-80's [and just about every thing else] use squat switches to signal auto brakes and spoilers and ADC. Another point of the location requiring such tilting geometry is the gears' location to the CG. Some aircraft have a CG envelope that extends after of the mains, DC-10's come to mind which causes an unusual behavior on landing and T-O requiring more elevator and accurate trim and unusual technique of relaxing back pressure in the flare just before touchdown to keep from slamming the nose down - try flying a -10 in a simulator and flaring like a high wing Cessna and see what happens. Anyway, this is all caused by gear location relative to CG. My $.02

  • Tommy Arnold
    Tommy Arnold 27 दिन पहले

    C-5's stay broke. And a good chunk of the reason is the landing gear. Glad I worked on the C-130. It was so much easier.

  • Ryan Cox
    Ryan Cox 28 दिन पहले

    Moonwalk joke with a nervous laugh afterwards? Come on man!!! You're cooler than this....

  • Rich Dominations
    Rich Dominations 28 दिन पहले

    Very interesting video. I wonder why these planes dont have some sort of pre landing spinner on the wheels. Surely this will save alot of rubber over time by having the wheels closer to the speed prior to touching the ground

  • Fakalasi
    Fakalasi 28 दिन पहले

    If you told me you were doing this video, I would have insisted you talk about the Airbus A330 & A340 landing gear and why they bounce on the rear bogie.

  • bigmaxy07
    bigmaxy07 29 दिन पहले

    747 wing gear is also higher until the wing loses lift after touch down, to it needs to be tilted like that as the wing is flexed up a little during flight.

  • Deon Van der Westhuizen
    Deon Van der Westhuizen 29 दिन पहले

    Why are tire hubs not shaped so the wind can give them a spinning start when landing? Could save millions on tire replacement.

    • Deon Van der Westhuizen
      Deon Van der Westhuizen 27 दिन पहले

      +BrimHawk This can not be true. Just shape the existing rim differently. No extra weight. And and that speed you do not need a big cowling to catch the wind.

    • BrimHawk
      BrimHawk 27 दिन पहले

      I read somewhere that the added weight to create a system to start the wheels turning, negates the cost in tire replacement.
      Much cheaper to replace the tires, than to create space inside the gear well, and use more fuel, due to increased weight.

  • Grim Reaper
    Grim Reaper 29 दिन पहले

    illuminati confirmed the earth is tilted NOT the gear

  • Sparky max
    Sparky max 29 दिन पहले

    Well I'll be.

  • Heejae SHIN
    Heejae SHIN 29 दिन पहले

    Nice video but your channel name is captain joe but you have the epaulet for first officers...

  • Scott Murphy
    Scott Murphy 29 दिन पहले

    Nowhere is this concept more dramatically exemplified than is military aircraft. The wheels not only tip but may rotate as well to fit them into the fuselage in the most space saving configuration

  • Noel Macaskill
    Noel Macaskill 29 दिन पहले

    Et les Boeing 707 ont un pignon fixe ?

  • Claudio's digitales Lichtspiel-Theater
    Claudio's digitales Lichtspiel-Theater 29 दिन पहले

    Nice explained.
    BTW i was looking for a female pilot walking with one shoe in the airports i was traveling. for month now. never find her.

  • sandesh701ify
    sandesh701ify 29 दिन पहले

    Do we have engine to airplane wheels, to move or to go forward

    • A2DJP
      A2DJP 28 दिन पहले

      sandesh701ify nope, they just use thrust

  • Michail Tsantis
    Michail Tsantis 29 दिन पहले

    Gear bay size is not the case for the A330.. because the tilted gear is hydraulicly trimed straight during retraction so it enters the gear bay not tilted.so fundamentaly there is another reason for the tilt. Most propably is to assist smoother transition from air to ground and the opposte.

  • R. E. Hill
    R. E. Hill 29 दिन पहले

    Fast runners doesn't use their heels...

  • R. E. Hill
    R. E. Hill 29 दिन पहले

    Nut cracker...

  • Bobby Paluga
    Bobby Paluga महीने पहले

    Love the look of tilted bogies, they look like an eagle's talons as the eagle dives to snatch game, (fish, mice, squirrels). The Triple 7 -200 looks as if just rises off the runway, very cool liftoff

  • Steve Zhang
    Steve Zhang महीने पहले

    747? lmao

  • ndenkha
    ndenkha महीने पहले

    The Galaxy's turning mechanism introduces a level of failure if this mechanism fails. Great video as always Joe!

  • M.J. Leger
    M.J. Leger महीने पहले

    Very interesting explanation, which makes sense! One of the Antonov aircraft has 28 wheels because it's so big! I think it's the heavy An-225 Mriya.

  • pingpongpung
    pingpongpung महीने पहले

    Why are the title and description in Dutch?

  • Rusty Throttle
    Rusty Throttle महीने पहले

    I thought captains have four stripes on their shoulders? Are you actually a first officer?