WHY do AIRPLANE TIRES have a STRAIGHT LINE PROFILE??? Explained by 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
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:
@HDMelbourneAviation
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@whitewing681
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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 - วิทยาศาสตร์และเทคโนโลยี
9:09 - "No hard landings like Ryanair do", Captain Joe
Hahahahhaha yes, but he probiably sad bi**hes
@@Lionn8563 pardon? I dont understand
@@Lionn8563 Its Ryanair. They are a known hardlander.
He didnt said it you did😂
Everybody know he said that 😂
These intros are starting to be like the Top Gear intro.
In this episode of Cap Joe:
Joe sticks his finger in a wheel,
An MD-11 lands too softly,
And an MD-80 is mechanically related to a bicycle.
I see this a a huge compliment😉because I love top gear
best comment :D
@@flywithcaptainjoe Same! It's a shame the original cast got switched out.
who read this in clarkson's voice...lol
@@robertw6894 At least they got their own show now, the grand tour.. So not all is lost
"Don't do a hard landing like *beep over Ryanair*"
-Captain Joe 2020
5:50 "It's great for Lewis Hamilton....."
The F1 Community: Bono, tires are gone.
Can you imagine how sick his engineer gets sick of Hamilton bitching about his tires?
I was watching the 2018 Monaco GP last night and Hamilton start moaning about his tires and the engineer replies with "I know Lewis, I know, I think everyone is in the same boat as you"
While we got Max losing an entire tire during free practice and tried to keep going without a peep.
lewis learned so much from lightning mcqueen
Lmao yes
Meanwhile Checo Perez is about to one-stop his way through a season with RBR.
Joe is trying so hard to avoid liking all the “Ryanair Pilots” comments 😂
Lul
Navy guys do the same thing....you land on a carrier like you mean it. Delta Airlines used to hire mostly from the Navy. The joke on a hard landing was to ask if the pilot had just got out of the Navy?
LOL
?
beeeep!
I learned soooooooo much in 11 minutes
Means a lot my friend!!!
What about the other 15 seconds?
@@flywithcaptainjoe I see what you did there!
That is what this channel is about learning and and answering questions
Me too
CJ: tyres come in all shapes and sizes
Me: they all look round to me.
Video Idea:
“Do airlines have insurance and who provides it?”
Obviously it's Farmers Inusrance since they've "Seen a thing or two"
Bojangles The Wizard oh cause there were 2 planes that hit the towers
Usually major airlines have some mix of insurance and self-insurance. They may insure against a hull-loss and/or passenger injury/death, but anticipate that a bent wingtip from an inattentive fuel truck driver is just a cost of doing business that they cover themselves. Lots of big companies work this way - my Fortune 10 employer has a rule against insuring any individual object worth less than $10K... they’ve done the math and figured out that across the entire business it’s cheaper to just plan to occasionally plan to replace such broken/lost items than it is to insure against those outcomes. When you’re big enough that having the cash on hand is no longer a problem, your risk calculation changes.
As to who provides it... lots of the insurance brands you’re familiar with will have commercial underwriting arms that handle big ticket items for corporations. There are also firms that specialize in this like Lloyds of London and AIG. What’s even more bizarre is that some insurance companies carry what’s called “re-insurance” which is basically insurance against their insurance.
No one insures tires, though. They’re “consumables” and airlines anticipate burning through however many of them a year.
Mors mutual i think
@@lekoman thanks for the explanations😊
I've never paid much attention to the tires of a plane look like, but next time I'm at the airport, I'll stand near the wheels, observe them nicely and.... Then get dragged away by the airport security team.
Lol 😅😁
मयंक .Mayank. 🤣
You can tell them that you were just making sure that the tyres are fit for the flight that the plane would make, while you were being dragged away
Wahahaha
@@pulkitmohta8964 and we maintenance personnel have a coffee 😂👍
I've done everything on the checklist except become a pilot. I guess it's time to change degrees
Same
Same
Same
Static Poptart Same
Same
After 30 years in aviation maintenance, it's *FINALLY* been explained why the tread profile is important. Never has anyone or any manual been able to explain the reasons why the tread has been designed this way- or not another way, like hi-po automotive tire designs. I've always wondered- if Goodyear can make Gatorbacks or whatever to work in the rain, why not make airplane tires like that. Capt. Joe explains it perfectly. Thank you!
4:29 - "Planes taxi around corners at a maximum of 11mph".
Not if you're Southwest!
What if when the plane is crabbing?
*Eurobeat intensifies*
“Like [RYANAIR PILOTS] (BEEP) do” 🙃
Haha, Ryanair pilots are trained to avoid hydroplaning, even on dry surface! :)
why ryaniar?
@@firelordazula386 just watch '' ryanair landings '' on youtube... you'll get it XD
@@Xxscarix75xX i watch ryanair landing,but why it difference than others?
@ Mr Vampire pay more attention in class man 😂
Joe : I need to fly those planes
Me : Googling to buy those planes although I can’t afford it.
Thanks for posting videos despite the busy time for cargo fliers!
Short answer: to eliminate water faster.
There, the answer landed harder than a Ryanair pilot...
But without the self-congratulatory trumpet fanfare.
Hello I saw your profile and u like it
Who else knows the outro by heart? 😂
Me😂🐔💗
@@emelie6547 i know 😂😉🐔💗
Me
Me🙃😀
The change from "subscribe my channel" to "subscribe to my channel" still throws me for a loop. (I miss the original.)
The melting tires thing absolutely blew my mind
During college I worked for an airline tire shop....here is Phoenix AZ where the temp on tarmack can reach 140 degrees.....melting tires all the time, and yeh it was crazy to see.
If the problem is the tire skidding in one spot allowing heat to build up, why isn't there an ABS just like on cars?
@@NiHaoMike64 They have them. It's called the "Anti-skid System" :) It's too expensive for smaller planes though, so only the bigger, newer planes (or more expensive planes) have them. Wait for the next video :)
3:29 that was very american "right there" lol
I really like all the different backgrounds for your videos. It makes it a lot more interesting.
Anyone loves the intro? Now I see why they straight lines on the tires always wondered, learned a lot! This is a number one TH-cam channel for aviation lovers!
6:21 i feel really bad for that air India plane
Nice
Same here Ashok
Ashok at least it’s not flown by Ryanair
How is that air India?
I feel like the main reason for this comment was not feeling bad for the airline but a showoff that you could spot the livery from that angle.
What an interesting upload ! Thank you for your effort Joe ! How much is one tyre for Boeing 747 cost ?
50k
@@ratmemer Is it true ?
@@topfelya do you wan't one? Just asking ;)
@@topfelya yes it is
@@topfelya yes
Captain Joe: Please contact me if you have one of these planes. I would love to fly with you.
Me: *Furiously tries to find out where to find a plane*
Censored part: … like "Ryanair Pilots" :D
Marty Ristau those jokes never get old😹
@@meghan11 neither do Ryanair tires. Or shocks. Or wheel bearings.
@@IABoomerTube shots fired there landing gear just implodes on landing
**Angry Mentour Pilot Noises** 😂😂
So motherfucking true tho
3:36 You can spot a wild Captain Joe fan in the background wanting to get in a video
Elliott Midoriya hehe
At between 3:50 and 3:51 you can see him peeking in 😂
I'm a 30 yr aircraft engineer who is licensed on the 747 and you videos are still teaching me.Thanks.
Another great vid! Joe. Thanks for your TH-cam work! I learn so much every video!
Can you do a 747-8F start up tutorial? Or do a vlog of you on a flight somewhere. Like a day in the life of a cargolux pilot?
Are you planning to steal a 747-8?
TheUglyGnome no😂, wanted to add realistic procedures to the flight sim x plane 11🤦🏻♂️
@@flightexpress4039 I can relate. But in fsx
These videos have changed completely in a few months:O
Does he have a new editor or something
@@shaymccarthy4868 im guessing he just have more time...
3:05
The cutest sound that doesn't even come from anything cute!
Wow, the airplane tires look huge when you're standing next to them like that! I actually wondered recently how big they are, because I've only ever seen them at a distance. They look so small compared to some of the big aircraft they're attached to, but so big when there's a human standing next to them!
Epic transition 1:08
9:10 “Ryanair pilots” lol
Yup I got the same message 😂
how do you know
@@michaelz5633 it's Ryanair
Good to see you again! I just realized how much effort you have to exercise to produce a new video as informative and meaningful as this and all others. Keep up the good work sir!
Joe your videos are the best.We almost learn everything about airplanes from your videos
In the last few years i have seen your videos i have learned so much and the people in my school even think im weird because i know that much about planes and how they work i really appreciate your videos and the affort u put into them.
Who else loves Captain Joe!
I .I love him .
Me
ME
Not in a romantic way, but yes!
Samuel's Simulations 🤣🤣
Thanks for your explanation...really loved it...my love for aircraft started with the day I started watching your video...please keep posting such videos :D
5:50 lmao
Idk why but him appearing on the phone screen got me 😂
As an aviation and f1 fan, I approve that refference! Nice video once again Joe!
At last a new video . Thanks Joe
Captain Joe, as always you do an amazing job of explaining technical matters in a way layman can understand. Having followed F1 for a while (and Hamilton fan!!) of course I understand the layman version of tire technology.
What you brought to the table today is "positive landing" and "don't flatspot by soft landing or brakes" and "we don't want our tires worn down to be slicks." All great stuff.
Ehud Gavron
FAA CPL-H
Tucson AZ US
This is why captain Joe is such a great pilot. He not only critiques his own screw ups, but he uses them as a learning experience.
I’m certain that the outside of a tyre is call a ‘tread’ not a ‘thread’.
I had the same question for Joe. TREAD is correct word for that tire element. I have been hearing more references to tire THREAD lately. Somehow it has gotten into the lexicon without being corrected.
I agree with you two gentlemen. I don’t know if it’s Joe’s accent and the way he pronounces the words or if he is confused between the words thread and tread.
You are right of course but he has been calling the tyre tread (as in tread pattern) the tyre profile through the whole vid up to this moment. In my opinion, he should have been using the words tread pattern all along because (in English tyre parlance) the profile has nothing to do with the tread at all but refers to the aspect ratio of the tyre (tyre sidewall height against sidewall width expressed as a percentage) which is known as the tyre profile (ever heard the term "low profile tyres"?) and thus he confuses things from the start.
9:54 he calls it tread in the diagram so I’m sure he knows what he’s talking about and you’re mistaken
@@gamerz8541 He doesn't call it tread. The diagram says tread but he calls it thread.
Hi Joe! I've been watching your videos since 2017, and you continue to amaze me with every video release. Watching your videos inspired me to pursue a masters in Aerospace Engineering. I have the deepest respect for you. Look forward to more of your videos! :)
Thanks buddy!
Hey Captian Joe! I have one question. When you record in the room with the 3 model planes behind you, could you put the link to buy those planes? I really like the models that you showcase and want to get some of them. Thanks! Keep up the good work!
Awesome video Joe! I liked the pilot life kind of videos eg: morning routine , they really inspire me!
I was missing new video so much! 11 minutes of Captain Joe’s video = more super knowledges. Thank you Captain! Hello and love from Uzbekistan 🇺🇿
Whenever I do my preflight I've wondered this, thanks Joe lol
Great insight of tires! thanks for your time to do this video @Captain Joe
My dad was a career A&P mechanic for two major airlines. The 727 nose wheel also has (since some are still flying) the “chin” you mention. Our driveway when I was a kid was marked by a 707 tire that he brought home after a severe lockup (it didn’t roll at all!)
Joe you are most lovable, nicest, decent and coolest guy on TH-cam.
Damn,you explain things soooooooo much simpler than a school teacher.You make a history lesson sound like a bedtime story!
I've been in the airline industry for over 10 years working below the wing. I really enjoy your videos and have learned a lot from them. But I have never seen a video like yours that goes into detail on everything that happens below the wing during a turn. There is so much that a lot of people don't even realize or know why it's happening.
I'm not even studying aeronautics or anything but can i just say, that the fact that you literally can learn everything from youtube and you can literally make everything content material as long as you know how to make it into a video. This is so educational .
I have one captain Joe 😁 so let's fly together .
I would love to hop in for a quick ride if really do!!!
Legend is back🙂
I recently got into f1 and planes this is the perfect vid
You answered all my questions and more Captain Joe. Thanks!
I was expecting Captain Joe to say, "Flying a plane is just like riding a bicycle... It's just a lot harder to put baseball cards in the spokes..." LOL
FINALLY
Loving the work
How’s everyone doing
Yes
sebastian ecaser Good, you?
Great you
doing alright but it is a little lonely on my own!
@@meghan11 The quarantine will be over soon.
Deine Videos sind sehr hilfreich! Ich hoffe ich kann einmal genau so wie du sein, Captain Joe!✈️ Danke 🙏
Thanks for the 3 reasons for not having a typical car wet surface tread because I had no idea
Thank you so much for the detailed technical videos! As an A.M.T in training, these kinds of videos are a huge help to understaning the textbooks!
Waiting for the anti-skid and maybe how aircraft breaks even look like and work(?)
Cheers!
Indeed
I really love your videos! I learn so much! 🔥
Again a GREAT video! Love the content !
Incredible consistency in videos' quality since he started the channel. Always topic to the point and extremely informative content! Dude you rock
Thanks buddy
I swear I’ve been waiting so damm much for that...
Eytan BEN 🤩
As a mechanic, I am amazed by how many pilots I've dealt with who performed the walk around and "check the tires" but to this day I have not seen one check sidewalls for damage.
Model aviator checking in. Lovely video. Has definitely steered my choice in tires for my RC airplanes to reflect what full scale aviation uses. IT makes little difference with them on a performance standpoint since we don't fly off wet runways anyway, but it's nice to know what tread profile to use. Most of my planes should have the straight grooves, certain warbirds should have the diamond tread but only if the 1:1 had it, bush planes get ballooney slicks.
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).
Great to see you back captain !!
THE PUNS ARE AMAZING
joe i beg u dont stop with them
Haha okay!
Hi Joe, thanks for the awesome videos. Lot of clarity and details in your explanation. Respect!
Could you please make some videos on the following topics? I would like to hear the answers from you.
1. Aircraft leasing
2. Lifespan of an aircraft and what happens after they retire a certain fleet
3. Some interesting details on technical rivalries between Boeing and Airbus (can be made as a series if possible).
4. History or evolution of airline companies as well as aircraft manufacturers in terms of technology, design, thought process etc (like a playlist / series).
If anyone is interested in similar topics please like this. Thanks 😊
As an A&P mechanic our pilots drive and land our planes like a nascar driver.
When reading the title I thought, well that answer is obvious. But I learned a lot from you video. Thank you, Joe :)
8:52 That's some butter flex you did there
this video was amazing! Every single time I had a question, it was like he instantly knew and answered it
This was a lot more informative than I expected!! . Awesome work Captain!
I found your story about the melted tires very interesting. Can you make a video of stories just like those? Where mistakes turned into lessons?
Great video Joe! I'm 12 years old and i want to become a pilot as well!
Thank you for motivating me to keep studiyng hard to reach my biggest dream!
Did he say not to do hard landings like Ryanair Pilots do😂😂😂
I believe he said Like some airlines do.
@@daily8150 lol
Is it really true that Ryan Air pilots perform hard landings?
@@pulkitmohta8964 yes, several times i board ryanair, i actually thought the plan is crashing at some point but i get used to it
Hello Captain, i just want to say that as an aviation enthusiast i find your channel very entertaining, interesting and i just love it, in my opinion is the best aviation channel in all TH-cam platform.
I have one request, i don't know if you already did a video about this, if not, could you please explain how to read airport charts and/or approaching charts?
Thank you so much for your time.
Greetings from Perú 🇵🇪 😊
I don't really care about flying a plane in my future but you are very nice to listen to in the background. Gonna stay for longer :)
FYI: it’s “tread” not tHread.
I mean not a lie
Saaaaaaaaaaaaame
also Chine not Chin.
@@christophercook723 I may have had a stroke reading your comment. Wtf are you trying to say?
@@christophercook723 What you typed was not plain English. It looks like you tried to type your thoughts as fast as possible and forgot all forms of sentence structure and punctuation.
Regarding the rest of your comment, "America" can be used to refer to the USA because the continent is not called America, it's North America.
I love Aviation when Captain Joe teaches, he is a natural
A good pilot is Always Learning.
Thnx 2 u Capt. Joe
Very knowledgeable and necessary video for beginner aviators ! Thanks Captain ! 💯😁 Hope to fly with you someday...
5:17 Yes Captain Joe, it does!
Good vid
I love your content!
Have you landed at Santos Dumont Airport? It's amazing! ✈️
greetings from Brazil 🇧🇷
The quality of your content and the ease of listening thanks to the way you present almost always with a smile helps me enjoy the studying part and be grateful. Thank you Captain Joe
I learned a lot from you Captain Joe in these 11 minutes
Captain Joe would make a great teacher than my math teacher
Could you do an episode of myths about planes such as the brace position being more dangerous and that kind of thing
Nice watching you always Capt.Joe💗
Captain Joe your videos mean so much to me. I learn each and every time and I appreciate man👏..One day I'll be a pilot and you'll have played a role in that.
Dear joe,
How come some planes, like the A340 and the MD-11 have an extra set of tires in middle? Is it because of the weight or something else?
The more ya know
Weight and sometimes anti tailstrike
You are right. It's because the original designs the DC-10 and A340-200 are build with the usual gear design. Over time the planes evolved and heavier versions were developed. At some point they needed more wheels to accomodate the weight and more structure for the load to be supported. And as you cannot add any wheels to the usual landing gear without a major redesign of the structure itself or you may need not only the wheels but also the gear to support the loads, you end up with the only reasonable option of a center main gear. Nothing you would initially design into an airframe.
On a sidenote: The A320 has an option for a double bogie gear instead of the usual single bogie. Air India has flown this option for some routes to airfield with poor runway surfaces.
Roichi R thanks for the info!
Smaller a340s have two in the middle while larger ones have 4
Finally, I was waiting
eyyy!! i've not seen a video of yours in a while :O =( ... glad you're back on my recommended!
I love your vids sooo much and when i first so your video it just pop outed in my mind "I want to be a pilot like Captain Joe"