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The Simple Invention That Saved NASCAR

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NASCARs race bumper-to-bumper at 200mph, and with 43 cars on grid, it creates some of the world’s fastest and most exciting racing.
At these speeds, it’s possible for cars to take off, resulting in horrifying crashes. But in 1996 a really simple device was invented, to help stop cars flying and protect the safety of drivers.
Whether you watch NASCAR or not, you can appreciate the incredible thrill it creates for the drivers and the spectators.
There is amazing racing, with cars inches from each other and with the grid of cars creating enough energy to supply power for a small city.
When it goes right, there are 43 cars racing inches from one another, with multiple cars in with a shot of the win.
But when it goes wrong, there are some of the most spectacular, but also serious crashes ever seen on a track.
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  1. Driver61


    3 kuukautta sitten

    Big thanks to Ridge for sending me this wallet and supporting the channel! Check them out with the link in the description!

    • Beacon Blaster

      Beacon Blaster

      13 päivää sitten

      also for replacing the missing parts for flaps?

    • Brian D

      Brian D

      20 päivää sitten

      @Fabelaz Nyan @Ben L Mercedes AMG did a great video recently on how lift/downforce is generated ( Good reference source to share with people.

    • Fabelaz Nyan

      Fabelaz Nyan

      27 päivää sitten

      @Ben L It is indeed. And it makes me sad because for years I was confused by lift because this explanation was the only thing I knew and it didn't make any sense to me because of drag. Turns out I was right - but I am sad that it still persists.

    • Ben L

      Ben L

      27 päivää sitten

      @Fabelaz Nyan It's a very common misconception.

    • Fabelaz Nyan

      Fabelaz Nyan

      27 päivää sitten

      Your explanation of aerofoil is wrong and has been debunked multiple times. It's quite weird how this myth presists - though I guess it's not easily falsifieble at home, you need to watch videos of wings with smoke pulses.

  2. Electric Gaming

    Electric Gaming

    2 päivää sitten

    I went to last years roval and I race go karts and welen

  3. COROLLA Turbo

    COROLLA Turbo

    4 päivää sitten

    If you played gran turismo only a mitsubishi can come to your mind upon seeing this

  4. Godwind Racing

    Godwind Racing

    8 päivää sitten

    Not mentioned was that those flaps came in the 1994 Winston Cup season in response to Rusty Wallace’s infamous crash at Talladega

  5. J G

    J G

    8 päivää sitten

    All cars flipping have flaps!!!

  6. 部首


    8 päivää sitten

    It is skillless Type of racing xddd

  7. Haden Vardaro

    Haden Vardaro

    12 päivää sitten

    I was terrified of flying until I started watching your videos. I learn so much. Thank you 👍🏻

  8. Nicole Strand

    Nicole Strand

    17 päivää sitten

    4:56 And this was exacerbated in the early CoT (Gen5) days, with a rear wing instead of a spoiler. 5:33 It was as a response to this crash that NASCAR mandated flaps for the beds of the trucks in the 3rd-tier Truck Series, in addition to the roof flaps that had been mandated in 1994, not 1996 (so, actually, before the Truck Series existed).

  9. Friday Californiaa

    Friday Californiaa

    19 päivää sitten

    The rear spoiler on those cars doesn't create much downforce. It's almost vertical, this shape doesn't create downforce, but essentially lots of drag. If you want some real downforce, an AoA of 30-40° is better. It's more an airbrake than a flap. This "pulls" the car from the rear, increasing lateral stability at high speeds. It's also meant to "break" the lifting shape/profile of the car at high speeds.

  10. Ben Blackwood

    Ben Blackwood

    21 päivä sitten

    I'll add that roof flaps weren't an alternative to restrictor plates, they regulated that all cars have to have plates at Daytona and Talladega, after a crash at Talladega in the late 80s where the car flew in the air and hit the fence, tearing the fence apart, and sending quite a few fans to the hospital. That crash was in this video.

  11. plageran


    21 päivä sitten

    Nice vid

  12. comment.oli07


    23 päivää sitten

    Ok but this just taught me so much about how aerodynamics lll

  13. matthew anderson

    matthew anderson

    28 päivää sitten

    Thanks for the info. I'm going to remove my trunk latch right now

  14. A Very Wise Wolfy

    A Very Wise Wolfy

    28 päivää sitten

    Roof flaps have been in NASCAR since 1994 after Rusty's crashes and other flips in stock car racing in 1993.

    • Nothing Here

      Nothing Here

      27 päivää sitten

      Rusty Wallace's. Most of people here have no idea who those drivers are. Say the full name

  15. Twilight Zone Productions

    Twilight Zone Productions

    Uukausi sitten

    While it’s not a perfect system it does work in most cases. The only time they really had issues what’s when they put wings on the back and it made the flaps almost useless. But since switching back to regular spoilers it’s gone back to normal.

  16. Luis Oller

    Luis Oller

    Uukausi sitten

    this is what lightning mcqueen has on the top of his roof!!

  17. Blitzkrieg131


    Uukausi sitten

    Btw they are called Airbrakes on planes not spoilers

  18. Fred 48 gaming

    Fred 48 gaming

    Uukausi sitten

    My question is how the hell does a 3400 pound car go flying with only 550 to 770 hp and only going about 200 mph

  19. SWO_Woodsman_945


    Uukausi sitten

    How not to use downforce: Mark Webber explains.



    Uukausi sitten

    It might have helped a bit but there have still been plenty of blowovers with the flaps, especially when a car gets spun to the right instead of left.

  21. Eric Crmjani

    Eric Crmjani

    Uukausi sitten

    cooy of donut

  22. Milos MilicTROB204

    Milos MilicTROB204

    Uukausi sitten

    We can all agree that NASCAR is as enjoyable as F1 is.

  23. I like Shooty shoots

    I like Shooty shoots

    Uukausi sitten

    He didnt mention that teams would make the restrictor plate out of tin foil so it would be sucked away once the engine was started

  24. Justin Robinson

    Justin Robinson

    Uukausi sitten

    Great video

  25. CSX2586 Rail Rider Raby

    CSX2586 Rail Rider Raby

    Uukausi sitten

    There not "NASCARS" there "STOCKCARS " NASCAR is the name of the organization 🙄

  26. Chicane


    Uukausi sitten

    Still don't get people that find Nascar excited. It's just cars driving in circles. I bet all people want to see is big crashes and explosions lol.

  27. RogueBeats


    Uukausi sitten

    They ruined it and made it more dangerous first with the limiters tho

  28. Butch Cassidy

    Butch Cassidy

    Uukausi sitten

    Wondering what the next invention is gonna be to save PASCAR. Better come up with something quick. It's dying fast. Dirt's for racing, Asphalt's for getting there. Everybody knows that.

  29. Izik Hunter

    Izik Hunter

    Uukausi sitten

    Honestly thought those flaps were for like air breaks

  30. G0G0 DUCK

    G0G0 DUCK

    Uukausi sitten

    Fastest? Perhaps Most exciting? Debatable

  31. Alexis Seité

    Alexis Seité

    Uukausi sitten

    I saw Nascar IRL at Trois-Rivières which isn't a circle but an actual race track and I have to say that it's one of the best things i've done. The sound, the race, the openness of the pits where you're just next to the teams preparing the cars, everything was a blast. I doubt that it's that exciting on a circle as they just follow each other though.

  32. Ray Lamp

    Ray Lamp

    Uukausi sitten

    Looks a normal day on I 480 here in northern ohio. Fastest highway in ohio.

  33. I Eduard

    I Eduard

    Uukausi sitten

    Pressure of tires is also important because or they always go left or go right, so the pressure in left or right tires is different

  34. chalmers wood

    chalmers wood

    Uukausi sitten

    Hi Scott, What's your advice on this question, background first: I'm an aerospace engineer, invented Lift Flaps (LFs) in 1989, told a NASCAR boss about it, he laughed, and kicked me out of their big plush track-side trailer with my NASCAR friend Dave Lovendahl, a Bilstein Shocks parts-engineer attending. I gave LFs to Dave, and went to on to other things, like the CIA, Diplomacy, aerospace, and China. LFs are simply [wing type] spoilers that suto-rise and kill areo lift-forces with backwards airflow, DUH! NOT rocket science! In 1990, Dave tried to explain it to NASCAR again, and they blew him off again with the joke: "What's a moron that ONLY turn left?" Then there was a big crash which I think killed a driver, (I forget who, I was overseas) the Media want wild against NASCAR, the NASCAR bosses freaked, woke up, suddenly called Dave, and he explained LFs to them AGAIN... The next day, literally, they screwed and Black-Listed Dave = no profit or thanks, partnered with Jack Roush, and made $$$ killings playing Jesus-Level Life Saviors for CASH. (AKA Assholes) Dave had a family to support, so he left NASCAR bitterly, and went over to the more the honest & fair Drag Racing world. Q: So Scott, how many lives do you roughly estimate my LFs invention has saved over the last thirty years? I don't expect anything from _____________ (fill in plural adjective of your choice) NASCAR and Jack. I'm happier as a diplomat etc, and glad to have saved a few lives, cars, body work, fix-it cash for drivers and managers, reduced the miseries of widows and orphans, and so on. Chalmers Wood - You can look me up on Facebook if you wish. Meanwhile: Stay HEALTHY!

  35. Connor !

    Connor !

    Uukausi sitten

    Nascar has some of the nastiest crashes but somehow has the least death

  36. CJR


    Uukausi sitten

    What always blows my mind is nascar is actually getting slower every year, not faster like a lot of motor sports



    Uukausi sitten


  38. Ali El Zein

    Ali El Zein

    Uukausi sitten

    3:05 nascar director of competition is a real dick

  39. Kaan Lister

    Kaan Lister

    Uukausi sitten

    The thing about that guy in the formula 3000 car is horrible to hear, such a sad story

  40. Red S0vietArtilery

    Red S0vietArtilery

    Uukausi sitten

    NASCAR is exciting Well I wonder if your Heard about moutain racing

  41. Huracan1955


    Uukausi sitten

    Much talking, but almost nothing about the way the flaps open themselves. Is not clear.

  42. Meaux Jeaux

    Meaux Jeaux

    Uukausi sitten


  43. Ted


    Uukausi sitten

    So basically the solutions was "car lifts off because fast speed aerodynamics, so just make car don't go as fast"

  44. RoadRunnerLaser


    Uukausi sitten

    Am I the only one to notice that many of the examples of airborne cars (eg the one where the narrator describes a car going end-over-end) appear to have these flaps fitted and deployed?

  45. Anthony Ruiz

    Anthony Ruiz

    Uukausi sitten

    NASCAR stock cars. Not Nascars. Just fyi!! Alot of people don't know it stand for National Association for Stock Car Auto Racing. It's not a type of car

  46. Evan Nagy

    Evan Nagy

    Uukausi sitten

    I thought they were just there to act as a parachute when the cars were backwards

  47. Mickey Berg

    Mickey Berg

    Uukausi sitten

    very nice video. amazing tech. the explanation about lift is off though. "the air has a longer way to go" doesn't provide any reason it would go faster and infact the air kn the longer side of the foil (the top of a airplane wing) can reach the end of the wing profile before the air on the underside does.

  48. Asad Marji

    Asad Marji

    Uukausi sitten

    The wooden windchime unprecedentedly lock because play phytogeographically spare before a straight interest. automatic, wrathful keyboard

  49. MPal24


    Uukausi sitten

    0:06 Some of the world's fastest racing, yes. Most exciting? Not since NASCAR have pretended the sport's the NFL with quarters and playoffs

  50. Ro Van Rooster

    Ro Van Rooster

    Uukausi sitten

    10 min talk for 30s of Information.

  51. Silverspacewolf 7

    Silverspacewolf 7

    Uukausi sitten


  52. Ben Stanziyoyo

    Ben Stanziyoyo

    Uukausi sitten

    Title: The simple invention that saved NASCAR Me: right turns?

  53. TheCymbalProject


    Uukausi sitten

    Great editing on this one...

  54. Dimitris Kanakis

    Dimitris Kanakis

    Uukausi sitten

    If one gets the grip of the principle that accelerated fluid experiences a drop in pressure, then most of the tech -both on the exterior and the interior of a car (engine, intake manifolds, exhaust)- suddenly make a ton of sense. Thanks for repeating it once more in this very explanatory video!

  55. john ureña

    john ureña

    Uukausi sitten

    Amazing video, but it's not due to the longer traveled distance that the air on the top side of a wing goes faster. Refer to this article:

  56. Nick Martinez

    Nick Martinez

    Uukausi sitten

    Simple invention that destroyed nascar... RESTRICTOR PLATES

  57. Spartan Patriot

    Spartan Patriot

    Uukausi sitten

    Your wrong, it was a crack team of Elete Tactical FBI agents that shaved NASCAR from an evil right garage door pull.

  58. C Chen

    C Chen

    Uukausi sitten

    Who watches nascar for the crashes? Lol 😂

  59. jojo lp

    jojo lp

    Uukausi sitten

    almost all the crashes youve shown were cars that had flaps, is there a statistic on how many accidents they have actually prevented?

  60. mike hedrick

    mike hedrick

    Uukausi sitten

    The roof flap was in 1994 not 1996

  61. Kuber Visnu

    Kuber Visnu

    Uukausi sitten

    NASCAR is a joke

  62. Dashi-


    Uukausi sitten

    I didnt know that in czech republic were formula races. I live there and just found out cuz of u lol

  63. JRPlaysR6S


    Uukausi sitten

    “Keeping the tires on the track in nascar is also important” Isn’t that important for every type of car?

    • 0623kaboom


      Uukausi sitten

      hover car ...

  64. PREELI


    Uukausi sitten

    What happened if nascar not use that

  65. Ní Síocháin Gan Saoirse

    Ní Síocháin Gan Saoirse

    Uukausi sitten

    American engineering is sooo far behind European engineering that its shameful. Look at the vast advances in F1 compared to the typically substandard American engineering. The difference is as stark as day and night.

  66. siddhu m

    siddhu m

    Uukausi sitten

    I like how he showed the Mercedes clr

  67. 1IntoTheUnknowns


    Uukausi sitten

    I don’t know how people like this sport. I really dot get it. Certainly something with more diversity like f1 would be better for entertainment?

  68. BastianZugnacher31


    Uukausi sitten

    There is something wrong with this picture (0:59)! Normally, the rider's helmet must be 5 cm below the line connecting the two Rollbars. The pilot is too high, if the car overturns, he risks touching the ground with his head...

  69. Radish


    Uukausi sitten

    0:56 ayyy who else is from the Czech Republic

  70. RXT Avery

    RXT Avery

    Uukausi sitten

    Anyone wanna else thing that bc of the roof flap it causes more of a chance for it to go airborne?

  71. Hamdan Ali

    Hamdan Ali

    Uukausi sitten

    2:25 let’s be honest, by that logic a NASCAR has not got that much downforce

  72. pierre-louis durka

    pierre-louis durka

    2 kuukautta sitten

    Awesome man i really wanted to know this actually so thank you

  73. Sonikku Karafuto / カラフト

    Sonikku Karafuto / カラフト

    2 kuukautta sitten


  74. hugolafhugolaf


    2 kuukautta sitten

    You expl,ained a lot of the principles, but barely skimmed the surface about the device itself or the way it works. And you showed countless vids of cars equipped with the device going airborne anyway...

  75. Gilberto Cunha

    Gilberto Cunha

    2 kuukautta sitten

    Do you mean Marco Campos fatal crash at Magny Cours (F-3000, 15 October 1995)?

  76. VALLEY


    2 kuukautta sitten

    it's interesting how several of the crash examples, had this solution in place

  77. VALLEY


    2 kuukautta sitten

    isn't NASCAR dying?

  78. Lxcien


    2 kuukautta sitten

    As an aviator, I have to say that the explanation was spot on!

    • 0623kaboom


      Uukausi sitten

      and against the law of thermodynamic s about creation of energy ... the lift equation is a derivative of distance from top and bottom ... you cant create energy from nothing ... even his example of a flat plate .. had to be set to an attack angel making the top side longer than the bottom side travel ... if you left it parallel to the ground it creates no lift unless there are irregularies on the top or bottom of the wing creating a low pressure on one side or the other ..

  79. krvnjrcbs


    2 kuukautta sitten

    Everyone: goes insane over the explanation of lift.

  80. sotosboi


    2 kuukautta sitten

    And then you gonna turn to the left!

  81. KYFIT Productions

    KYFIT Productions

    2 kuukautta sitten

    thank you. Thank you. THANK YOU! I have never seen a British person give NASCAR so much praise, any person I come across that is mainly a fan of F1 normally says the sport sucks because it’s just driving ovals. They still do drive on road courses like Sonoma and Watkins Glen, then even used to race at Montreal! And the sport has come so far in safety just like F1 and so many other sports have, and deserve just as much praise as other sports get.

  82. Headshot


    2 kuukautta sitten

    F1 fans may look down upon NASCAR for being primitive by comparison, but that simple invention is PURE ENGINEERING GENIUS. Absolute genius.

  83. Joel Robert Justiawan

    Joel Robert Justiawan

    2 kuukautta sitten

    Nascar flip reduction Hello everyone, this is your daily dose of Recommendation

  84. Trikky2


    2 kuukautta sitten

    I love this solution , is such a great concept and relatively simple when you have seen it. Just down to airflow, no complicated sensors or electronics ... such brilliance :)

  85. OTHOUD


    2 kuukautta sitten

    i just love how smooth was that transition to introduce your sponsor aha , smooth as milk

  86. KEX CZ

    KEX CZ

    2 kuukautta sitten

    Its shame that you've experienced someone else crashing and dying, specially in my country 😪😔.F.

  87. AESgaming


    2 kuukautta sitten

    Im czech😳

  88. WTS Eracing

    WTS Eracing

    2 kuukautta sitten

    Who is driver he mention that got serious crash and passed away ?

  89. Drino Zhao

    Drino Zhao

    2 kuukautta sitten

    The feeble feigned hair considerably introduce because ptarmigan premenstrually cover abaft a sore pedestrian. wealthy, premium command

  90. Drino Zhao

    Drino Zhao

    2 kuukautta sitten

    The flaky burst principally sign because death adversely grate till a tame stock. awful, gaping mile

  91. ProtoRetro


    2 kuukautta sitten

    To sum this up in one sentence. NASCAR put Air Brakes on their cars to reduce air time.

  92. TheDazzler420


    2 kuukautta sitten

    Turn left

  93. TheThirdMan


    2 kuukautta sitten

    Your explanation of the aero in this was quite good. I have wind tunnel research experience in this area but it relates to open wheelers rather than stock cars.

  94. TheThirdMan


    2 kuukautta sitten

    Nothing “genius” about it. It was a response to a rule change. More clickbait Scott?

  95. Goose Bee

    Goose Bee

    2 kuukautta sitten

    this is really a simple aerodynamic feature! genius!

  96. Mikko Hiltunen

    Mikko Hiltunen

    2 kuukautta sitten

    3:27 is not true. The air does not "have to" travel faster above wing becouse of the difference of the travel distance. There is no reason why same air particles should meet after past wing. Air flows faster above wing becouse of the Venturi effect. The shape of the wing makes a choke with surrounding air and that is why it moves faster on the wings upper surface. And anyways most of the wings lift is caused by angle of attack.

  97. Albertus Nathan Widjaja

    Albertus Nathan Widjaja

    2 kuukautta sitten

    i'm sad for that driver

  98. RainBoxRed


    2 kuukautta sitten

    3:30 please no.....and he said the wrong explanation.

  99. Manson2


    2 kuukautta sitten

    I'm sad you didn't include a clip of cars as a joke.

  100. Lord Adz

    Lord Adz

    2 kuukautta sitten

    Not trying to be rude but I don't see what's so fun about watching cars going around in a circle lol