When F1 Used Exhausts to Make Cars FASTER

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In 2010, F1 teams figured out a way to use the exhaust gases to make their cars FASTER.
And as a welcome by-product, it made them sound AWESOME! /LIKE THIS
But how did moving the exhaust position gain them so much performance? And why were drivers completing ENTIRE laps at full throttle.
Lets get into it!
Following the 2010 season the controversial double diffuser was banned.
This left the teams with a rear downforce deficit and a problem to solve over the winter. Little did they know that one team had already found a solution.
They had moved their exhaust outlets to create better airflow around the diffuser.
This was not a new solution, F1 had used it in the 80s and 90s, but what this team did was make it WAY WAY BETTER.
Soon everyone would have to follow them, or be left behind.
But how did it work?
The foundation of an Formula 1 car’s speed is from downforce. This effect happens when air flows through the car very quickly. The car affects the air going over it in such a way that it creates an area of higher pressure above than the air flowing underneath the car.
This difference in pressure creates a suction effect - this is downforce.
If the car is driving quicker, the air flows over it quicker and you get even more downforce. This is what F1 engineers are always trying to do.
📹 All source footage can be found here 👉 bit.ly/3hKC6ug
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#Formula1 #BlownDiffuser #RedBull

[@Franceee___]

4:53 “Unlike Ferrari” got me 💀💀

[@JG-ki7yh]

Yeah, no wonder it got banned :)

[@AndyFromBeaverton]

There was a period in the early 2000s when they directed their exhaust upward to create more downforce too.

[@Unamatrix01]

That is correct, the teams used the Coandă effect with the exhaust gases following the contours of the body work to either energize the rear diffuser flow or increase the flow differential of the rear wing and the Y250 mid-plane wing as well.

[@AndyFromBeaverton]

@@Unamatrix01 When the exhaust vented rearward in 2014 they directed it at the 'monkey seat' so it would vent upward under the bottom rear wing. It's funny that Minardi first developed this idea in the mid-90s.

[@leo1fun]

The reason ferrari introduced periscopic exhaust pipes in 1998 was not to create downforce, it was purely a thermal problem with the materials at the time. Later it was found to bring some nice benefits and got widely adopted by other teams, though. Blown diffusers had been a thing for decades (albeit in a different manner than the 2011 version), but with the massive rev range in the late 90s, teams started to move the exhaust a bit away from the diffuser because it was making it too sensitive to throttle response. So that was another reason why the periscopic pipes eventually took over.

[@AndyFromBeaverton]

@@leo1fun If I can remember right, they had a few cracked exhaust pipes. I can't remember if one melted critical parts and I think another time they just pulled the car from the race.

[@alunesh12345]

@@Unamatrix01 Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@wglnaeclipse8715]

10/10! Hearing Scott giggle like a schoolgirl over "tire squirt" and the exhaust sound during "hot blowing" made my day!

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@damarfadlan9251]

Especially the V10 old engines.

[@jameshoffa7085]

@@alunesh12345 imbecile

[@KimiButNoDrink]

The blown diffuser is the most glorious exhaust I've heard, especially those downshifts 😩😩

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@KimiButNoDrink]

@@alunesh12345I'm good, I'm a Hindu

[@D3Vlicious]

If I remember correctly, Red Bull even used a Helholtz resonator in their exhaust to even out the exhaust flow and make the downforce it produced more stable.

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@Flashv28]

@@alunesh12345 can Jesus make a Hockenheim or Sepang GP in 2024 real?

[@550LMS]

@@Flashv28 I'll start believing in him if he resurrects naturally aspirated V10s.

[@wetsaltypickle]

@@alunesh12345 I do believe in him! He does an amazing job mowing my lawn!!!

[@charleswinter1335]

I love the engineering provided by Formula 1, it's just amazing!

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@damarfadlan9251]

Yep. Too amazing and MENTAL.

[@TheNamesArif]

just for it to be banned by the FIA lol. but hey, sometimes it creates more opportunity

[@indomieforlife]

@@TheNamesArif the engineering products produced by the strict set of rules are really awesome too, it's really pushing physics to its limits

[@dxfault576]

@@indomieforlife its really not, its pushing racing to the limit, theyre gaining 0 understanding of physics from an f1 car

[@groundedgaming]

Was about to say Happy New Year, but I realised you all are probably in a different timezone.

[@cube6435]

happy new year fellow timezone resident

[@udhdjrkudhfridk2688]

It's happy new year here tho so aaaaa

[@addham82]

Happy New Year! Still got some hours to go tho. 😁

[@user-dk5ir2sg6b]

Certain that I'm in the same timezone as you

[@jordanwardle11]

happy new year to you too, ours was 3hrs 40 ago

[@Pedun42]

I've heard the term blown diffuser before but this is the first time I've seen it explained so well.

[@rayyu882]

Great video. Adrian Newey also attempted blown defuser in the MP4/15 and MP4/16, which is why the engine sound was so unique, definitely check out that sound, to me it was the best sound from an f1 engine.

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@550LMS]

Whilst true that he was using the blown diffuser back then (and also in the williams days), the Mclaren actually sounded so different because of it's beryllium pistons, which where very light weight, meaning a longer stroke could be had, providing more torque. Ross Brawn was very impressed with this and couldn't work it out in the beginning. Brilliant engineering.

[@gcm747]

Oh the ear splitting goodness of the blown diffuser era. Gone but never forgotten.

[@joshvdv]

Me waiting fot the monza blown diffuser video...

[@DaniMacYo]

F1 designers are just insanely talented.

[@RenegadeRoach]

Thank you so much for the great visualizations! I read Adrian Newey’s book several years ago on a navy deployment with little to no internet. This did wonders to answer questions that occasionally pop up in my head still.

[@randomdude8877]

I'm loving those types of videos you create for us. Those are questions rarely someone would ask but are such an interesting subject to actually know about. Wish you and your family a happy new year in advance Cheers

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@ASS_ASSASSIN696]

@@alunesh12345 💀

[@kyleheron38]

Excellent explanation of how blown diffusers work.

[@AndreaRoll]

beautiful video, first time i finally understand how the blown diffuser worked.

[@user-nl4cn1ew4w]

The FIA: "How dare you be innovative in F1!"

[@theonlylolking]

FIA: "Formula One is the fastest most prestigious and innovative auto racing series anywhere" Teams: *proceed to innovate for more speed* FIA: "Woah woah this is uncalled for. We will ban it now!" Mercedes: *Proceed to innovate for more speed* FIA: "Woah woah this is uncalled for. We will ban it at the start of next year"

[@numberpirate]

Kind of off topic but one of the differences between the Super Marine Spitfire MK I and the MK V was the positioning of the Merlin's exhausts straight back which provided the thrust equivalent of another 50-60hp. On the MK I they just dumped the exhaust straight out the sides.

[@bstp2023]

Happy new year guys, thanks for the awesome vid to start the new year with.

[@_mickmccarthy]

Would've been good to touch on the coanda-effect exhausts that were introduced in 2012 (I think?) when the FIA stepped in to stop the teams placing the exhaust outlets right by the diffuser. Another excellent bit of design work there!

[@pete5534]

Well presented gentlemen. Thank you.

[@prjx5718]

Happy new year mate! Awesome video once again, got one question... What music was used!? Sounds so good

[@salkdhfpoahergpoahre1534]

“Just listen to this!” Throws a wrench in a blender “Isn’t that just the best!?”

[@gerardmontgomery280]

Yes. Yes it is.

[@fallenshallrise]

Yep. This is a load of revisionist history. If you went to a race in person in 2010 you'll vividly remember how trashy these engines sounded.

[@BatMan-oe2gh]

This is why top fuel dragsters have their exhausts tilted towards the top of the tyre. Creates more downforce for them. Motor Sport engineers are just crazy with the ideas they can come up with. Loved the sound of the blown diffuser.

[@screamingliner]

Best racing channel! I learn so much here.

[@Chio_OB]

I loved this when it was a thing, just brilliant!

[@Rose_Butterfly98]

Would be nice if this and the double diffusers were allowed on the new ground effect cars.

[@Im_JLC]

Love me a good video about hot blowing and tire squirting lol, love these types of video can't wait for more in 2023!

[@zylianari8556]

This video exactly dropped on our new years eve (GMT +8:00). Gonna wish happy new year everyone!

[@BotsWeekendCovers]

Great Video man!!!!

[@mclarenjohnf1]

Happy New Year Scott

[@sandmangti7040]

Pops and bangs.

[@derrickymilo]

That's brilliant in its simplicity!

[@darrenboston342]

The blown defuser👌 We had what was called the cricket bats at RB, made out of inkinal, the same stuff that was used on the space shuttle…. One guy from R&D went to NASA to look at how they used it.

[@ferminortizii8508]

Well done chap!

[@shibasurfing]

I love the blown diffuser sound! Bring it back please

[@lesasookdeo7310]

Amazing just amazing I always wanted to know how blown defused worked

[@mat_bb]

Lovely video. When this was banned, teams tried monkey seats which also converted exhaust gases to downforce

[@MuhammadNadeem-gn4in]

Weldone Brooo keep sharing informative video's..

[@sebastian.wilson]

Happy new year from Australia

[@JanTonovski]

Those were cool f1 cars, I love the high nose disign

[@nobody.no-one]

Congarts on 1M subbers 💖

[@SteelyEyedMissileDan]

Fun fact: the upward-swept "zoomie" headers on Top Fuel dragsters actually function like rocket engines. At wide open throttle, those 500-cubic inch (8.2L) supercharged V8s spin up to 8,500rpm, cramming air into the cylinders at 65psi above atmospheric pressure (which is insanely high even for a modern ball-bearing turbocharger spinning at well over 200,000rpm, let alone a belt-driven Roots blower), along with 1.5 gallons of 90/10 nitromethane/methanol blend fuel per second. These engines see mean effective pressures up to 1,450psi and power figures in the neighborhood of 11,000hp. The sheer amount of reactionary mass being blasted upward and slightly rearward out of the exhaust pipes is capable of producing almost 1,200lbf of thrust, mostly directed downward to squash those massive ultra-soft drag slicks into the pavement.

[@Cheddarturd]

Hey now this is super cool. Thank you

[@isrigramo9072]

They can make blown venturi tunnels to use together with normal exaust and adapt the quantity of exaust through the venturi tunnels according to their speed

[@marco_1909]

looking forward to what new things we will see in 23, so much potential

[@msweso14]

It's like a simple mixture of anti-lag and the Meredith Effect... Using hot escaping gas to generate usable thrust!!! Pretty cool

[@BCRandom69]

Epic engine sounds in this era

[@ricardoabh3242]

Crazy engineering

[@cheesegrater..]

The RB7 is in my opinion the best sounding blown diffuser car with the 2011 Renault being close second.

[@theodorezanello]

Happy 1M🎉

[@woods_roamer]

Retty neat! How do you called this backfire exhaust system?

[@alberthjondomingo2328]

How about the rear tyres when using this exhaust configuration? Does it burn?

[@Guinnessdrnkr1234]

I love the sound of the cold blow of that v8, is so filthy.

[@stopinventing1013]

Another amazing video

[@danverss6176]

Great video as always but i thought you were going to explain the mechanism on the thumbnail

[@xAeroSpaceKnightx]

How much flow pressure/velocity was needed to be beneficial? Ignoring weight penalties so for conceptual sake only, could you rig a system that charges during braking or even tap off the exhaust to charge it and can be activated that releases air either through spring charged compressor to fill a mini tank of air or just spin a turbine/blade to send flow where it needs to be?

[@usmcimracer]

Cheers mate 🍻

[@krimke881]

I want the feeling of F1 from the 90's back, the direct safety of today, and the regulations of group-b rally. Let's see what actually engineering can do.

[@bbbenj]

Happy New year 🎊

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@sussolus]

I love that Scott was unable to say "hot blowing" with a straight face.

[@Affalterbach1967]

Love these explanatory engineering lookbacks.

[@ViperFPV]

It’s like god mode on the type r’s SI’s ST’s etc …

[@bdjm8595]

Fascinating!!!

[@hawksights]

5:13 Machine loud: Men cheer 😂

[@Fil1pJ]

Can you please do a video about double diffuser?

[@cosmicdust4749]

Me, having class at December 31st, 3pm: Well... i dont have time...

[@NXT_LVL]

Drag racers who have turbo power adders use the bull horn exhaust tip "Upward turned pipe" out the front bumper to help keep the nose of the car down

[@pieterpeeters7504]

Thanks for always given nice videos to explain things. Just curious.... yes Downforce is created over the difference of air pressure on the car, but it does not mean a car is being "sucking" on the track but air pressure travels from high to low, so the car is being pushed into the track by the high-pressure on top

[@Flashv28]

iirc the "high" pressure airflow is closer to normal pressure compared to the "low" pressure underneath Thats why they compare it to sucktion

[@eleycki]

Nice vid apart from all of the turbo diagrams!

[@LemtemPoktui]

4:54 Ouch.

[@TellURide447]

Thanks Scabs

[@pauls5745]

pure genius! there still is some innovation possible, even if you can only get it off for a couple races or a season until FIA squashes your dream tech

[@studlydudly]

A very late reply, The Renault RE40 used a blown diffuser way back in 1983. It's exhausts exited under the car into the diffuser.

[@reddberendes82]

Some jetski racers have their exhaust pointed out of the front of their hull. Creating a vapor barrier between the hull and water surface. Decreasing friction.

[@borylnestorov]

I finally understand what "blown diffuser" means. I used to think it meant that something had gone wrong and "blown" up 😂

[@andyd8370]

Imagine how fast F1 would actually be if they stopped banning tech.

[@Arsenic71]

Technically it's not a suction effect, it's the air above the car that pushes it down. Great video, thanks to Scott and Scarbs for the great explanations. Happy new year to all of you!

[@batman9823]

I'm not going to get into an argument about it but it is absolutely about the car being "sucked" down, not being "pushed" down that creates downforce. Basically F1 cars use the principles that enable planes to fly in reverse. Intuitively it would seem they are being pushed down but they are actually being "sucked" to the ground. This is the way these principles described work, otherwise pushing air flow at the bottom of the rear would create the opposite effect of "pushing" the car upward and, thus, decreasing downforce

[@Arsenic71]

@@batman9823 Physically speaking there is no suction force. There is a pressure differential and the high pressure area pushes towards the low-pressure side. Which makes it look like suction, but it isn't. But the point is moot anyway because we're both talking about the same thing: le downforce

[@ericw.1620]

@@batman9823 suction is a result of higher pressures pushing against something and forcing it towards lower pressures. Think about a can of soda. The higher pressures inside are pushing the walls of the can towards the outside. This is the same mechanism as suction.

[@keyss78]

In a venturi pressure differential the lower pressure area definitely creates what you'd call a suction effect.

[@skwisgaarskwigelf331]

4:12 MISSSFAIARINGU SHISUTEM 💥💥

[@nikolaivozhd]

I love watching your channel so I was a bit shocked to see my video 2:52. Sheeeeesh

[@SpaceHCowboy]

RIP Blown diffusers. ❤ F- for respect.

[@sohambelge8318]

I heard Romain Grojean talking to Nico Rosberg i think that you had to keep the gas pinned to want the grip and they could not lift in the fast Conners cause they lost a lot of down force

[@ZsebtelepHUN]

"The geniuses at Red Bull" = probably Adrian Newey

[@RohanSharmarssh]

what about 2012 and 2013 the coanda effect of blowing while directing around diffuser? video is incomplete

[@Drunken_Hamster]

Man, I want a very nearly open-class F1. No MGU-H, and no primary downforce fan cars. Other than that give them size constraints, safety standards, and maybe a budget limit, a combined HP limit of like 1000KW or 1500HP, and let them have at it. 6-wheel, 8-wheel, AWD, Turbo, N/A, ground effects, super DRS, closed cockpits, closed-wheel or open-wheel, IDGAF. Also, derestrict track certifications so they can have straights longer than 2km, I wanna see some 240-280MPH speed demons!

[@lavandolouca6630]

A cluch would do the trick of keeping high revs in corner Manual gear is better always

[@CHIEF_420]

⚙️

[@apike_72]

These were the BEST sounding F1 cars

[@alunesh12345]

Believe in JESUS today, confess and repent of your sins. No one goes to heaven for doing good but by believing in JESUS who died for our sins. “That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. 10 For it is with your heart that you believe and are justified, and it is with your mouth that you confess and are saved. ”(Romans 10:9-10)❤️

[@nigelsmith7366]

A few aircraft in ww2 had significantly more speed with ejector stubs for the exhausts

[@derekbentley-dk9kv]

As a racer? Baja 1000 15 miles out is where sit after shut it down. You ever team race melt it down rod it out never lay down. 15 miles out 15+ minutes lead heading in on a loop race. When the closer you get to Ensenada all the stickers all the prerunning all the hospitality of being real pays off when you hit that mariachi horns like sirens and the fans pull the truck across the finish. With time to spare. The closer to Ensenada the more and more fans. I'll wheel it.

[@sharkperson5338]

Happy 2023 everyone

[@yzkn8848]

Teams: finds genius ways to make their car go faster and breaking the limits of technology FIA:so i took that personally

[@igortereshchenko5675]

Newey magic

[@BradBo1140]

I’m assuming that to have the engine pumping air without ignition there was a switch on the brake pedal then.

[@SupraSav]

Using exhausts to make cars faster isn't new.. that's how turbos work!

[@osemekeechenim3655]

"Like every good innovation in F1, the FIA found a way to ban it" Lmaoooo

[@EyeoftheAbyss]

Wow, after all this time I finally understand what a blown diffuser is.

[@crazylarryjr]

So hot blowing was technically an afterburner effect. the fuel was Ignited as it left the combustion chamber to blow out the exhaust, only not to thrust, but to create active air to let the diffuser do it's job properly

[@lumbardo1041]

Your description of the pressure difference above and below the car (commonly referred to as longer path theory) is a common misconception people often associate with how planes fly as well. Ignoring the chassis for a moment, the front and rear wing of the car are airfoils (wings on a plane are also airfoils, but in the case they are being used for downforce rather than lift). The assumption you're using assumes that two air particles from the atmosphere separate at the leading edge of the airfoil and then join up at the tailing end. Since one air particle has a longer path, it must have higher velocity, and thus a lower pressure. We cannot assume that the air particles will meet up again at the tail end of the airfoil, as this is not a realistic assumption. Also if this were true, symmetrical airfoils would not produce any lift. Downforce (and lift) is generated from redirecting or turning the airflow. In the case of the F1 car, the air hits the leading edge of the airfoil and is directed upwards as it moves along. The airfoil exerts an upwards force on the air and the air exerts an equal and opposite downwards force on the airfoil. The product of this interaction is downforce. I apologize if I am coming across as condescending to anyone, but I am just seeking to provide more accurate information to people

[@Druwoods]

These have always been my favorite f1 cars.

[@scottworelds2933]

Porsche does the hot/cold blowing to maintain throttle response on their road cars. Love it.