Captain Joe

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    Dear friends and followers, welcome back to my channel!
    In today's video we'll be discussing why most airplane tires only have a straight line profile.
    The strength and design of the outside layer of the tire or what we call the thread layer is largely depended on what surface it will come into contact with. Sometimes you need aluminum for a smooth landing (picture of a float plane) When we look at the different operation aircraft tires has to withstand you can see that we cannot use one type of tire, thread design and pressures. Look at the Cessna caravan in the African bush, this aircraft sometimes has what we call balloon tires with lower tire pressure. They increase the tire size and with the decrease tire pressure the surface area increase as well preventing sharp rocks for example to puncture them. Now there were some aircraft that had horizontal tire profiles and this was also to assist in rough terrain. Because these aircraft approach and land at lower speeds the reason for straight parallel profiles was not needed. We will discuss the reason shortly! An example of such a plane is the Sea Fury used in the Korean war.
    The same principle in surface area and lower tire pressures is used in driving 4x4 on sandy beaches. If you look closely the drivers deflate their tires before going onto the sand to increase surface area and prevent them from sinking into the sand. They also use this method when driving up mountains to prevent punctures. But if you can remember in my previous video on airplane tires, I talked about the very high PSI the large airplane tires are inflated to. The 747 tires can be inflated up to 210psi. This is because we are not planning to land on a beach anytime soon! No, I am kidding, we are able to have these high tire pressure because our tires are reinforced enabling us to increase the tire pressure which intern increase the strength of the tire. Commercial aircraft are more interested in strength than maneuverability. If you look at the top part of the thread you will see that we use straight patterns. This is to clear water from the tire when landing on wet runways. This is because unlike cars we do not need the “grip” to drive around corners constantly. What we want is strength and prevention of hydroplaning. Hydroplaning? This is essentially when your aircraft tire slips on top of the water. Water builds up under the tire and essentially lifts the tire off the ground causing you to lose contact with the runway surface and your tire just slides over water. Straight tire profiles like these helps eliminate this effect of water build up. An interesting tire profile or should I say design is with some nosewheel tires on private jets or aircraft with the engines mounted on the rear fuselage. As in the previous video I showed you that the 747 tires are all the same from the main gear to the nose wheel tires. These jet tires have what we call chines on the shoulder of the tire. They are essentially rubber extension and deflects the water when landing on contaminated runways away from the rear engines intakes to help prevent flame out.
    Thank you very much for your time! I hope you enjoy this video!
    Wishing you all the best!
    Your "Captain" Joe
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    күнү жарыяланды 9 ай мурун


    1. Mark Rossow

      ...like the front tires of a tractor

    2. James Zbinden

      He said Ryan Air lmaoooo

    3. kainpwnsu

      1:51 Those are some weird looking water tires.

    4. JoeM390

      I don't have to watch to know airplane tires don't need to have traction.

    5. lajoyalobos2009

      Ryanair's hard landing policy is likely because they don't trust their pilots and they'd rather tell them to do a "one size fits all" blanket approach. They'd have them slam it down as if they were landing in the middle of a blizzard on a solid sheet of ice, even if it was a hot and humid day. They (being low cost) might have even discussed this with their insurer and told them they've "developed a method" for significantly reducing runway accidents on landing to get a lower insurance rate.

    6. Protista protista

      I'm fairly certain that Captain Joe means TREAD, when he says THREAD.

    7. Buddy lenway

      When you showed pictures of the Bush planes I saw Trent Palmer's Cub killer

    8. hwd71

      Yeah but, how do you change a plane's tyre? Just jack it up?

    9. Shhh

      I need to stop watching these videos. I now have a fair of flying. It's boats and trains for me.

    10. Krishna Sujith

      Fun fact: Formula 1 cars used grooved tires with a similar profile to the 747 tires in the early to mid 2000's when pitstops were banned

    11. girish ganesan

      What is Pitch Trim wheel, Captain Joe?

    12. Me

      i fill my tires with a 80/20 nitrogen blend. it has good performance and it is easier to source than pure nitrogen.

    13. Benjamin Plotke

      Perhaps the brakes locked while hydroplaning, but the rubber melted when it stopped hydroplaning. I'm other words, maybe it was like applying the brakes before landing in dry conditions

    14. jeff mitchell

      I load trucks at FedEx. I watched this video because I'm always loading those big heavy tires with straight threads. Now I know what they are! 😊

    15. Xavier Rodriguez

      19bozzy92 clips in an aviation video, didn't expect that lmao.

    16. magickennyj

      Do all jet airliners skid start there tires on landing ?

    17. Krzysztof Szyszka

      During pre-flight tire inspection, how do you inspect the very bottom of the tire? You can't get a good look at it, because it's pressed against the ground!

    18. J. Sterling

      The tires are made with straight grooves for one reason, Water channeling during taxi, while the runway is plowed and de-iced clear during winter weather, rain water is the reason. The tire treads channels push the water the away from under the tire ( similar to a car tire) with this design, it allows traction on the runway and ramp. These tires vary in size (depends on aircraft ), inflated with nitrogen and are rather expensive. Due to the constant scalping of the face, caused by sudden contact when landing, the average tire life is limited before it's required to be changed.

    19. Malcolm Anon

      Kennedy Steve on the intro ATC

    20. Ad Addv

      I worked at An aircraft maintenance company (responsible for landing gear and airframe related components) for some time (administrative), and i was taught something completely different. The smallest craft we worked on was the A320 and the lines on the tire have nothing to do with getting rid of water. The plane is way too heavy to worry about water buildup. It pushes water out of the way just fine. The only reason is to be able to check for wear on the tire and how even the wear is. But then again, maybe i talked to someone who had no idea.

    21. pAk0dA • Hollywood777records

      Your link didn't work Captain Joe ...

    22. Sergio Rovira

      Hola Captain Joe! I am delighted with every video you share to us. Regarding the tyres, I have been thinking fora long time, that it would be a good idea is the tyres spin more or less at the landing speed before they touch the run way. Just after the landing gear is down, using the air flow, through some tabs in its sidewalls, the tyre can start spinning, so the touch won't be form zero speed, and the tyre life is increased. The spin speed of the tyres must be lower as the airplane speed, so they doesn't affects the airplane attitude. What do you think? Saludos: Sergio

    23. brandtfj

      Why a commercial every two minutes

    24. John Graves

      What’s the sidewall ratings on the 747 tires?

    25. McLovin

      @4:29 "Planes taxi around corners at 11mph". Make that 1mph when you're trying to make your connection. 🙄

    26. amr magdy

      ومن يهاجر في سبيل الله يجد في الارض مراغما كثيرا وسعة 🤣

    27. jos Touw

      So car tyres have treads and plane tyres have threads?

    28. Murat Melis

      Look right next to your head 3:36

    29. 王毅楷的小迷粉

      Cash payment?

    30. Dremwolf

      LOL That ply showing would have been perfectly fine on fighter jets.

    31. ilovetotri23

      Great references to formula one! Flat spotting a tire in F1, is a serious issue! But that only impacts the driver and team!

    32. ilovetotri23

      Another great vid! Joe. Thanks for your KGup work! I learn so much every video!

    33. Johnnie Welborn, Jr.

      Interesting commentary... I recall our civilian flight line crew at KHOP helping change a tire on one of the charter Omni Air birds and have noticed the tread patterns before but never gave it much thought, even after beginning my private license. Thanks for sharing... Always like picking up new information (especially the tire shoulder design... never saw that before).

    34. That Oneguy

      We all know at 9:09 he said Ryanair

    35. Alphonsus Le

      you get all your content from bightside

    36. SpaceCadet Youtube

      2:32 I do that in simulators... with military jets... going at mach 3...

    37. SpaceCadet Youtube

      Your tags are almost as cool as the spaces "remove before flight" tags

      1. SpaceCadet Youtube

        Spacex stupid autocorrect

    38. Bibaswan Chakma

      We all know what he said in the beep lmao😂😂

    39. The Rcproject

      “Bono these tires are garbage, did you find them off an airplane?”

    40. knightlypopeye

      Hey Joe you did not say anything about the MD-80 and a bicycle.

    41. M.L

      what if captain joe was the one shipping his own keyrings

    42. FrankO _23

      Water heating up and melt the tire is messing with personal thoughts on physics.🤯🤯🤯..that must be some HOT 🔥 water

    43. Yuvansh Hariramani

      9:10 - that bleep - is ryan air normal runway - 600 m/s wet runway 700 m/s imagine if the runway was wet and was short... - xxxx m/s: 9999 m/s

    44. Yusuf N

      9:10 lmao we all know he said Ryanair 😂

    45. zarirvtech

      Thank you Captain, from a muslim

    46. Dhruv Bhat

      8:24 - Pun intended.

    47. Zia Uddin

      good aircraft tire science in dry & wet RWY # when tire contact with water on RWY surface the friction & resistance are decreased due to water & therefore breaks do not function fully

    48. Gaths Family

      How about letting the publicly access a plane to observe them welll

    49. Faraz Ahmed

      Give me your Wattsapp number I need more information about this...!!

    50. eno88

      9:09 Ryanair.

    51. John Snow

      So, Captain Joe had a chicken strip on his PLANE !! HAHAHAHHA

    52. Mark S

      I'm a 30 yr aircraft engineer who is licensed on the 747 and you videos are still teaching me.Thanks.

    53. Reinis Aizsilnieks

      trucks also have straight line pattern, and for the same reason :D Cos youre not also going in corners with high speeds.

    54. Cosmic Pro

      Captain joe do you mean aptin oe

    55. Shantanu Chakraborty

      Hats off.. Sir..

    56. Mohammad Aslam MBE

      Miss spelled TYRE

    57. Ian Wassink

      11 minute video for a 30 second answer. GET TO THE POINT!

    58. Paul Jakma

      Hi Joe, It's tread. The grooves in the tyres are treads. (Same word as 'to tread, to step on'). This is the same in both American and British (and influenced) English. Tyres can also have threads, in the ply of fabric used to create the body of the tyre. Though, such tyres are no longer common in automotive uses - presumably not in aviation either! There may still be some protective fabric over the body though, with threads. ;). Bicycle tyres are still typically made of woven ply bodies though.

    59. Miguel Vella

      Aren't aircraft tired made out of a special compound so as to get rid of any static electricity which could spark and explosion when refueling?

    60. Empty

      Couldn’t have placed lulu better than in an instagram like post 😂.

    61. Imagine Wagons

      Try contacting Trent Palmer for flying in bush planes

    62. Mateusz Radtke

      Bet the smell is so nice there where you at in the video🤤

    63. V L A D I M I R

      3:05 The cutest sound that doesn't even come from anything cute!

    64. vimukthi manujeewa

      captain joe.I am dreaming to be a pilot in sri lanka.Now I am studying my A/L son Physical science STREAM.what are the other requirements to be a pilot

    65. Ban Nsabin

      11:14 In summary to prevent hydroplaning

    66. Alex Awesomesauce Beaudry

      Because they don't go Mudding

    67. Pixel User

      747K views: coincidence?

    68. Abhik Mallik

      Sir, i saw in news...that sometimes the aircraft gets slipped off the runway(during rainy landings)...what is the reason behind these...

      1. Sterlingjob

        Aqua planing

    69. Atleast37ninjas

      Well my boy Lewis pretty much uses the same type of tire for An airplane for the exact same reason. So you could rather say a tire for Chase Elliot.

    70. Cesar Ramirez

      check out Trent Palmer here on youtube. awesome bushplane pilot

    71. Anchor Gaming

      Now we realise Ryanair make such bad landings. To save money!

    72. Maximum_moneyz

      I wanna put them on my dads truck

      1. Ethan's Aviation

        They won't fit🙂😆

    73. Ronald Ferguson

      Another classic example of deflecting water away from engine intakes is on the Concorde. (I also support that aircraft be returned to flight!)

    74. Laurie B

      Surprised that it's possible to melt a tire in the wet. Makes sense now you've explained it, but a little bit counter-intuitive! Would have thought the water would have reduced friction (heat source) and naturally cooled it at the same time.

      1. Ethan's Aviation

        If they weren't rolling they would melt to the metal

      2. Sterlingjob

        They do get hot but only tiny amounts of rubber melt

    75. Angelo Andrada

      What powers the wheels during takeoff ? Do they have an independent engine or do they rely solely on the plane engines air output?

      1. Sterlingjob

        There are squirrels in the wheels when the aircraft taxis and takes off

    76. Alex Freestone

      How on earth do u change the tire on a plane because it would have to be a pretty big jack

      1. Ethan's Aviation

        Exactly 🙂

      2. Sterlingjob

        Yes you get a large jack ! It’s easy to do

    77. Max Mustermann

      9:09 Ryanair.......😂😂😂😂

    78. John Fitzgerald Kennedy

      My man saying he’s a captain when he has first officer stripes in his epaulettes. Could be different country stuff or somethings.

    79. hokhim chan

      When you made that Hamilton comment I just want an ATC guy say”Cargolux 1762,you’re lights out and away you go,clear for take off 12L”

    80. FlightSimMovie


    81. A.E.KHATTAB

      How much B-777 tire cost?

    82. ib516

      TREAD, not THREAD

    83. vinkuu

      I am still a subscriber, but haven't seen your videos in my stream since ~8 months back. It's now November 27th 2020. Weird.

    84. Charlie Angkor

      Myh flipflops sole worn down to slick and now they suffer from hydroplaning especially on wet tiles. It's not suitable for my budget to buy new flip flops so I took free inner tube and polychloroprene contact glue and glued rubber on the sole then cut small V grooves along the length same as on the airplane tire. The flipflops are now phenomenal better than new ones. They skid less on wet and dusty or sand contaminated surface and walking is more comfortable on hard surface and can walk faster. They also make less flapping noise on staircases.

    85. D E

      Muy bueno Captain!!

    86. Who Ever

      The last bicycle I had before my current one had a front wheel that perfectly sprayed water into my face and it wasn't just randomly into my face. It sprayed the water up over my glasses so that it missed both my helmet and my glasses and landed right into my eyes. Brilliant! I ended up putting chemistry goggles into my bike bag just in case it started raining because I didn't have the money to buy anything to block it but I already owned the chemistry goggles from having taken so many years of chemistry. When I was very young, I hydroplaned my car and I could feel it floating. This was the first time I had ever been in a car that felt like that but I had taken driver's ed so I at least knew what to do and, more importantly, what not to do. What instantly popped in my mind was that now my car was more like a boat and, just as boats can only turn so sharply and can't effectively brake, my car was just like that while I was floating on the water. It was a good stretch of water and it was on the freeway too but I wasn't going anywhere near as fast as normal because the visibility wasn't good because of the heavy rain. I did have to make a turn while I was still hydroplaning. As soon as I knew I was floating in water, I let off the gas but did not apply the brake at all except to alert the cars behind me that I'd be slowing down by making the light come on without engaging the actual brake. Then I made sure that I was spaced with the cars in adjacent lanes so that if I used up more than my lane for such an imprecise turn that at least I wouldn't hit anyone else's car. After all, lanes are only as important as not hitting other vehicles. It did end up working out just fine and I eventually lost enough speed by simply not applying any more gas that I stopped floating on the water. The heavy rain was only in a small area too so it stopped being so bad after just a little bit. I didn't know you could melt a tire though. All the times I have hydroplanes, I never hit the brakes. I had a motorcycle for a while and I noticed that wider tires mean you can't turn as sharply. I noticed that right away because I was used to riding a bicycle as far as two-wheeled vehicles go. I also noticed that cold weather tends to make the tires a lot harder, less grippy, and therefore less maneuverable. I used to refuse to ride if the temperature dropped too low and this was my only vehicle at the time so I pissed some people off but it's not good to go out when the conditions aren't safe.

    87. Iris Oscuris

      So...no four wheelin’ on a plane?

      1. Ethan's Aviation


    88. Icƴ [Get_RekTシ]

      U said Ryanair sir that is why u beeped it out right sir pls tell

    89. Eli Abdul

      Did Captain Joe Said Ryanair in 9:10? I think so

    90. Lil Sheep


    91. sandeep victor

      9:10 Beep "Like Ryanair do" lol

    92. Sarada Prasad Mishra

      I am only 10 but I will become a airbus a380 pilot

    93. Salman Pathan

      Keep doing such a good work because we are learning so much from you, god bless you.

    94. Nitro Engine Hoarder

      For cars you should never break (or steer) when hydroplaning because one wheel could "catch again" before the others, resulting in the asymmetrical brake force sending you off course VERY rapidly. Does this also apply to airplanes?


      It is a real ground School of Joe....thanks my friend ! Nice aviation Channel.

    96. Robert Wren

      Imagine that, melting in water.

    97. DropD1saster

      5:31 just remembered your from Europe.

    98. Max Llorente

      Before watching the video ima assume it has to do with heat dispersion. And now to continue the video. . . .

      1. Max Llorente

        I was so wrong Dx

    99. theblackpanda 242

      Why can’t you teach me in school. I’ve learned more with you in 2 hours of videos then I have in 12 years of school 😭😭

      1. Ethan's Aviation

        So true

    100. Zaltic

      Now I know for when I'm flying in MSFS