Tyre Pressures - Why F1 teams go low when Pirelli go high

[@chainbear]

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[@suiiiiiiii1712]

yee

[@suiiiiiiii1712]

love all your vids

[@melonman9012]

How did you write this 4 days ago? Love the content

[@nrrizki86]

@@melonman9012 weird🤨

[@saynotohaloFIN]

@@melonman9012 video probably was unlisted until today

[@SharikhKhan138]

Honestly, an upload after the race is just the best thing ever. Thank you, Chain Bear.

[@TypicallyThomas]

Imagine if there had been a massive tire failure during the race

[@hithesh7665]

Whatta coincidence 😉

[@jamesachesa9455]

Ikr!!!! 😀

[@ColHanko]

There’s something very strange about chain bear talking about balls for the first minute of the video...

[@Codiac300]

Well he is/was drawing adult content. So this isn't uncomfortable for him

[@nickroitman6743]

@@Codiac300 he is drawing what?

[@mattiapozzi8979]

@@Codiac300 wait fr? What kind?

[@aidanquiett668]

@@Codiac300 Havent seen anything outside this tbh, so I havent heard of that

[@volante8657]

for those who haven't get it, a gentleman sausage, a sausage in half no less CB is from the UK, also a certain Mr Clarkson as well

[@GSBarlev]

Look: Martin is doing the best he can. He's got a colicky newborn at home and is rarely getting a good night's sleep (some paternity leave would be nice!). And *no one asked* Jenny to file that TPS report. It wasn't due for another three weeks--I'm not saying Jenny's not a phenomenal worker, but if she's at risk of burnout, some of that has got to be on her, and maybe she should be asking herself if she's burying herself in her work to avoid dealing with other problems in her life.

[@TheRealGirlWeeb]

wow, if I had a job i'd feel attacked ... good thing i don't have a job to avoid dealing with my other problems in life ... ahaha ... haha ... yeah ...

[@officialWWM]

Riko Nata martin will get the sack soon, you can have his job :)

[@derrickstorm6976]

Mansplained that better than I ever could have

[@bobbodonuto]

@@derrickstorm6976 or Manscape-plained..

[@Brent-jj6qi]

@@derrickstorm6976 mansplained is a shit word that isn’t even a real one

[@MarcMas07]

Manscaped intro finished Yt: here is a braun ad

[@joshkirkby8103]

I got a diaper ad...😳

[@FightingTorque411]

...I got a trailer for the new Roald Dahl "Witches" movie. We are different, different people.

[@johannesmutterer1201]

Yt gets kind of ridiculous with ads by now. Don't you think it's overdone?

[@theannoyingcat3276]

I got a beer ad cause youtube wants me to erase that memory...umm

[@rounak471]

@@johannesmutterer1201 2 ads before the videos and sometimes ads in the videos

[@tramachi7027]

I wouldnt really say: "Ask Pirelli" as they just construct and manufacture the tyres how the FiA wants them to behave. They said they could make tyres with high grip and still last an eternity but the FiA doesnt want that...You made and entire video about it :P

[@matthewbay1978]

Your comment was exactly what I was thinking.

[@Septimus_ii]

It's possible but unlikely that the FIA has asked them to make tyres which require a certain minimum pressure in order to meet their expected life expectancy

[@XenophonSoulis]

If I remember correctly, Pirelli offered to make tires like that after a race in which Bridgestone tires were behaving like that.

[@Bozacar]

How tyres behave regarding degradation is separate issue than one discussed in video

[@Aereto]

The good thing about this is Pirelli gets a lot of research data.

[@lopez.jacinto.6726]

Best manscape ad to date.

[@Aereto]

Best Shaped Bush

[@chaoszombie9995]

I love how some people do stupid things (not pointing fingers in ANY shape) and then blame the manufacturer of said product for their incompetence

[@danielgeld9813]

Damn you Martin.

[@rednammoc]

He's too worried about being floopy.

[@Thermalions]

@@rednammoc He obviously needs some manscaping to regain his confidence and performance.

[@Prederick]

Starting a GoFundMe to send Jenny on a well-deserved vacation.

[@loglemz2070]

Me:Sees chain bear video and immediately clicks Also me: ignores what he says in the first two minutes to write a comment

[@EndEverAfter]

it’s an ad anyway so it’s all good 🤷🏻‍♂️

[@wylaika05]

Is no shave november a thing ? In this case it isn't a coincidence

[@antanis]

@@EndEverAfter a better than average meme but yeah

[@christopherkonig7854]

This video has never been more useful than now. Great to get some educational background when media doesn't provide

[@lunartriton6793]

Your videos are always so engaging and explain concepts in a way so easily understood. Thank you so much for the obvious effort you put into these, I've been loving learning more about F1 from these videos!

[@christoforospaphitis4090]

It's all about compromise of cost, materials and performance. For example if you strengthen the joint of the tyre then the tyre would be stiffer by nature and not as malleable due to its construction rather than pressures. If you use exotic materials to provide the integrity and malleability the cost skyrockets and makes no sense in a one tyre manufacturer.

[@92Cuky_]

To be honest I think the last sentence of your video is incorrect: Pirelli knows how to make good tires. Instead of them we should ask FIA and FOM. Pirelli is producing tires based on their wish to make every race unpredictable like it was at the 2010 Canadian GP.

[@paulsd9255]

Yes this sucks. If Pirelli had the choice, there'd be zero pit stops.

[@zmotorsport2815]

yes exactly this! And this is going on as you said since 10 years. I think Formula 1 don't even know anymore what they want from the tires and from Pirelli. Some seasons they want 3 stops in a race, some seasons we have 1 stops. It's too complicated, they should just make a clean slate, ask the teams, do some proper research, ask Pirelli and decide on a normal tire which is the best for F1.

[@prawn2668]

to add these tires are the 2019 spec if im not mistaken, pirelli were asked to make tires for the 2019 cars and now going into the 2021 season these same tires will be used because of covid. So these tires are experiencing load and will experience load over the next season that they were not designed to handle. Unless im confusing this with another bit of information

[@UncleKennysPlace]

It's the FIA that has mandated how tyres last. Pirelli says they can make them last all race, or even all season (though at somewhat reduced grip!)

[@rolirolster]

This channel's a win-win, science and racing combined, love it! Though to be fair, you had me at, 'your junk will never feel so loved'.

[@stanbrow]

Actually, you need to ask the FIA, the tire manufacturers could build tires that would work all race long, but the FIA has specified certain levels of intention degradation to increase the spectacle.

[@FerralVideo]

This can apply to other things than F1 cars too. For example, a highway car tire will typically have an "average" tire pressure of 35PSI. A big, bulky off-roading tire will have less stresses placed on it when used in muddy rocky terrain, but the drivers will want even more of that deformation and conforming to this rough ground, to ensure they get as much contact as they can. As such, offroad tires are run with lower pressures. Bicycles (where most of my experience is) have this as well, but because loading is so low in a bicycle, you generally don't have to worry about temperature or the tire tearing itself apart. You do, however, have to worry about rolling resistance and ride quality (suspension is completely optional on a bicycle), and grip can be a concern if you ride off road. A road bike's pencil thin tires will often be inflated to frighteningly high pressures to get the lowest rolling resistance possible, maximizing speed. My road hybrid calls for around 65PSI, and racing bikes can go well into the 100PSI territory. A comfort or cruiser bike will usually run a rather middling 35PSI, but can be adjusted up and down from here depending on the kind of riding you want to do, with lower pressures absorbing bumps better. For my commutes, I would often run them at 45PSI for wear and ease of pedaling. An off road trail or mountain bike has the same concerns as a off road truck tire, and will run lower pressures still. My mountain bike calls for as low as 25PSI for best performance off road, and "fat tire" bikes can be staggeringly low at only 10PSI - in fact they can get so low as they can deform completely and allow the rim to strike the terrain through the tire during hard riding, puncturing it and leaving you stranded.

[@TheSilverShadow17]

There's various different factors at play in terms of tires. For example different tire compounds will react differently under different conditions like the F1 slick tires whose primary purpose is to last a whole season but previde enough traction so that the drivers don't slip slide everywhere or possibly into a barrier.

[@mdjrboyvb]

I’m always hearing about how some drivers are better at tire management. Can you go into that more? What are they doing differently to maintain their tires longer? If they are just driving slower wouldn’t they just get overtaken?

[@dyingearth]

Actually the reason why Pirelli doesn't make 100% durable tyres is F1 ask them not to. Tyre management is baked into the team strategy, and Pirelli is doing as they're told.

[@MaxitronandMatty]

Easily the best manscaped ad I have seen 😂

[@wurly1]

richrebuilds and samcrac very definitely in the running on that, too

[@sindhusojan8225]

5:48 “the tires are the only thing which has contact to the ground” Floor: am I a joke to you?

[@rockaway0beach]

No, floor, don't do that!

[@schkann1384]

the floor of the car doesn't contact the road unless its forced by the bumps in a long straight while the downforce load is high. thats why you see those sparks firing off from underneath the cars

[@dries365]

great video again. I was wondering if you could do a video where you explain why so many teams like Racing Point, Mclaren, Red Bull and Renault have all of the sudden decided to go with a Mercedes-style narrow nose this year when they all previously used the wide noses with the little thumb on the end. Was very surprised to see all of them adopting to this design in exactly the same year.

[@KrisMcCool]

Chain bear is really doing well, 870 views and 19 comments just in the first 4 minutes!!

[@RaumBances]

Great video. Rather than ask Pirelli, I'd ask the FIA why they continue to insist on Pirelli with so many tyre failures. If you search tyre failure F1, you'll find failing tyres. Loads of them. If you search in other motorsports, you will find failing car components and watch the tyre bounce away intact on the wheel.

[@sourishsharma17]

The polish on these videos is crazy!

[@ahl.56]

🇵🇱

[@flammenjc]

Nitrogen also weighs less than air. That, actually was primarily the reason it was used over air lowering unsprung weight is VITAL for handling. It only subsequently played out that it was inert and therefore pressure ranges were alot more predictable.

[@rudyramadhana4127]

what do you know, chaim bear upload after a race Great feeling

[@rachelrobinson9287]

Love your videos very informative. Please consider doing a video about DRS and the rules determining where DRS zones can be. ie why was the back straight at Portimao not one?

[@ChristianA328]

Poor Perrelli, they’re trying their best

[@nistax2880]

6:50 giving em names to sound extremely specific = funny era is almost over man . Odherwise great vid

[@gchampi2]

Easy to fix in theory. It's just that step 1 of the process involves getting rid of the FIA. That way, someone actually might listen to the teams and tyre manufacturer, and FINALLY get low profile tyres in F1...

[@Leo_Lionhart]

Half-way through the video, I already know why! Thank you for the crucial explanation. Thank you for the video!

[@RacingStatistics]

I am a simple man! I see Chain Bear uploaded a new video... I click on it!

[@DoSheepDream]

*takes notes to use in F1 2020*

[@rheckart11]

My understand was always -lower pressure means greater contact patch means more surface generating heat via friction means more degradation- ergo higher pressures mean lower temps typically. Is there a source cited where I could see the research showing the claim in the video? That lower pressures lead to lower temps?

[@codper2564]

what if we have 0 pressure: 0 second lap timess lmao

[@Stevethe11th]

Stonks

[@sindhusojan8225]

Hamilton simulator

[@dsdy1205]

Moon rover tyres say hey

[@notsogreatsword1607]

I got into f1 because of your videos. Between you and Cranky Yankee I learned that f1 is more than just European nascar lol. Thanks for making quality content. Also if you ever develop a drinking problem we're gonna start calling you chain beer.

[@ao-b2774]

Best sponsorship plug on youtube I've seen.

[@hairohukosu433]

"These molecules are very very small but there are billions of them." You mean billions of billions of billions of bil-

[@foemre]

One too many "billions" would make it overshoot way too high, billions of billions of thousands is a good estimate here

[@hairohukosu433]

@@foemre true

[@danielegerussi7453]

I love uploads this often, keep it up if you can!😍

[@FormulaTurismo]

Another great video. Thanks Chain Bear.

[@kanalkunal]

Bono furiously taking notes

[@carmacarmody]

Didn't Pirelli say that one of the main reasons for this is the required chemical make up of the rubber in order to meet the FIA spec. Specifically the cliff that they demand every tyre have?

[@anchorbait6662]

That ad though... Haha our little scruffy bear cub

[@jdesigns7239]

Excellently explained!

[@skyadsAu]

I still can not stop laughing - I usually skip ads, but that was so funny - I watched it all, just to see what you would say next - Well done, great effort

[@Tiddle_s]

Actually I think the answer to that last question is "ask the FIA". Pirelli have said they can make a grippy tyre that lasts the whole race, but the FIA want the tyres to degrade quickly to make the race more strategic and interesting (and I'm with the FIA on this)

[@johndef5075]

And more potential accidents.

[@Tiddle_s]

@@johndef5075 Well, you want the tyre to degrade not dismantle itself hahaha

[@neonicplays]

I wanna see pirelli make the fastest possible tyre for a showcase. Mercedes with a tyre so soft it only lasts 5 laps

[@AntoineHorns]

So lower pressure increases performance in the corner but surely it lowers your acceleration right? When I bike with lower pressure tyres I can immediately tell because it gets harder to go uphill.

[@mat_bb]

Could you do a video about safety car lines and delta times?

[@PedroMagS]

Chain Bear back with the awesome content

[@williamhendrix3253]

this didn’t tell me anything I didn’t know. in general you run a higher pressure in qualifying or on colder days so the tires get to temp faster. lower pressure for races, especially longer ones so they don’t overheat. I wonder if the pirelli tires have a weird compound which requires lower pressures for decent feel? isn’t this the year they went to larger wheels too? so maybe the shorter sidewalk is throwing the other drivers off

[@gmansjb53]

Can you do a video on why rain seems to no longer exist?

[@Snarg83]

Not sure what i liked most: bushes depicting injuries in genitalia or flat tyres.

[@odhran3300]

they didn’t mention about winter and summer air

[@TheRealSonicBeats]

@Chain Bear I think the arrows in the tyre graphic at 6:11 are going the wrong way but I'm high af so I could be wrong

[@samiraperi467]

The issue with tyre flex is heat and that heat dissipation is limited. At some point the heat load will cause the tyre to fail.

[@aenesturan]

I don't know if you did this but, can you make a video about Mexican GP circuit and the effects of its altitude on F1 cars?

[@1AngryPanda]

Pirelli tried with a ring out of stellrope to give the sidewall a stable construction, we remember all how this ended in Silverstone few years ago. 😅

[@User-dd2xv]

Always a pleasure...enough said

[@themasqueradingcow91]

cool video... but that advert was great!

[@topic260]

Chain Bear makes me want to become an F1 Engineer

[@marcophilhom6844]

Nitrogen air is there any fluctuation in air pressure after the tires get hot.

[@brandondasher261]

Can you make a video about how F1 suspension works? The youtube channel Driver61 just uploaded a video about F1 suspension and torsion bars. And I thought it was interesting but hard to follow exactly how the torsion bars worked. And I could not find a video online that matches your skill with graphics and making complex topics easier to understand.

[@manuelbranquinho6649]

Make a video about the Portimao Race/Track please it would be nice to know whether you liked the new circuit or not...

[@rohanbatra69]

I'll just buy the manscaped kit because of the way chainbear promoted it

[@dbsalex]

Chairbear - Your physics teacher disguised in racing channel.

[@phillgizmo8934]

I was hoping to hear why Pirelli ordered only about REAR tyres. Which tyres (front or rear) more often and at what settings blow off?

[@RaffySonata]

I have a feeling that Jenny is a real person about to breakdown in chain bear

[@derberndmaylanderfan7555]

Stuart: released a new video Me: destroying the like button BEFORE watching the video

[@Danspy501st]

About the question to have it all. It is impossible. There will always be some trade off to get something better for something like a tire. The all around year tires cant both be soft and hard as winter and summer tires are. We can even look at tires designed for off road. 100% off road tires will be destroyed when driving on the road because of how they are made.

[@DuncanCunningham]

Stu.. you are so smart dude.

[@900108Chale]

One of the few ways FIA can influence car performance is by messing with the tyres. Another failed, yet sometimes successful, tactic at leveling the battleground. Then again, *tyres are such a key component to a car’s Performance,* that even having one single supplier is an oxymoron for their “Pinnacle of Motorsports” claim.

[@gabormiklay9209]

Question: Pirelli recommended front tyre pressures around 20 psi (I don't remember exactly) for this weekend. Portimao being a track which is heavy on tyres (elevation changes, braking while turning etc..), so how much the front/rear tyre pressure goes up? Using nitrogen minimises this effect I assume. Anyone? Something remarkable: during an FP Martin Brundle was watching the cars around corner 8-9... And he was describing the cars are oscillating, which included the tyres mainly. 18" tyres will reduce this effect and put strain to the suspension.

[@radu1042]

To answer last question, you need to ask F1 or FIA. Pirelli only developed a tyre on the requirements put forward by them.

[@jtland4842]

In my semi educated opinion, the reason Pirelli can't design a tire to use incredibly low pressures is that the tire's design would not wear as well as the current tires. The proposed tires would also be heavier which is particularly bad since the tires are far out from the center of rotation, therefore add a ton of unsprung weight.

[@satyris410]

And whilst you're down there, have a feel for lumps

[@gur262]

There was a video where you mentioned mercedes rims being shaped in such a way that brakeheat from the disks gets into the tyres. Could they heat up the tyres by letting brakes rub while actually accelerating?

[@youruser6472]

If the track temp is extremely cold then why don’t teams use intermediates and wets to get the heat?

[@BrunodeSouzaLino]

Someone has to tell the F1 teams that it takes more than low tire pressure to have the same performance of a top fuel dragster.

[@molybdnum]

oh .. I kind of wanted there to be more video after "ask pirelli" explaining their end of things.

[@tecbarrett8331]

What if I put wet tyres on but increased the pressure up to the maximum possible usable pressure?

[@Dat-Mudkip]

I think it's absurd that this restriction needs to be a thing And to be fair, most sports *do* have at least one compound of tire that is designed to last as long as possible. The FIA, for whatever reason, does not approve of that concept.

[@vale.antoni]

6:58 He's actually Mr. Orange

[@CristiNeagu]

Even with safety in mind, i don't see what reason anyone has to tell F1 teams what the minimum tyre pressure is.

[@jplira8025]

How much psi do they have?

[@xureality]

Chain bear: 9:10 Pirelli: "FIA says tyre lasts 10 minutes, tyre lasts 10 minutes"

[@krupk4]

Does that mean that they should just set minimum allowed pressure and be done with it?

[@husnainanwaar1992]

higher tire pressers will result in higher top speed and higher downforce lower friction on the road

[@th1nk_outside]

why does everybody critisize Pirelli? to me it seems pretty much impossible to build the perfect tyre that degrades while not degrading so to speak. Even if you find various compounds that degrade in a very controlled way, so that the different grip levels/laptimes and the artificial degradation are met, there are still so many factors on each track that change this subtile physichemical intermezzo and simply close the window from time to time. that is why they play with pressures, compounds, regulations etc but its just sort of a paradox to make the tyre behave to all conditions, so its the job of the driver to adapt his driving style.

[@JohnSmithShields]

Advert up there with Steve Ramsey.

[@EagleProductionsMK]

Wow. I came here faster than the W11.

[@kerron68]

This is so annoying. I already pay for KZbin premium to not get ads, only to have them be apart of the video.

[@Echa37-H37]

Smh, just use solid rubber tires. No more pressure manipulation!

[@marcoslukaz5178]

the would be expensive to make for each event

[@HaXD1209]

Smh just remove tires.

[@Echa37-H37]

@@HaXD1209 I like the way you think

[@SolarLiner]

Why can't Pirelli make tyres that are strong and allow low tyre pressures ? Because the FIA asked them to make bad tyres, that's why. It's the reason Michellin pulled out at the time, they were in it for some good R&D, and was gently told it was their way of the highway. You see it best at endurence events; a few months ago at Le Mans the tyres lasted an eternity and could definitely last an entire F1 race today. But they're the only reason left to have pit stops. So bad and undurable Pirelli tyres are here to stay.

[@bd604]

another great video, but didn't like the little 'aside' that seems to be getting popular on KZbin. bit at 6:51, 🙄

[@Metalteeth9]

PV=nRT!

[@reumer]

Haha that last sentence, dont be surprised if this video gets flagged by a certain tyre manifcaturer 😅

[@zwamman]

I think you were a bit overly harsh on the teams in your intro. In my view, it's Pirelli who are making tyres not up to the task (see Silverstone). Bumping up the minimum pressures is a stopgap that has stuck. Granted, there prolly should be a min pressure, but not to the extent the teams have to focus their entire setup towards managing overheating balloons on the rear axle, as we've seen over the past years.