The GENIUS Behind F1's Safety Barriers


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    Racing is amazing when at high-speeds - but it comes with inherent dangers. A component failure, bad weather, or driver error can send a car flying towards the barrier at insane speeds.
    In my racing career, I had a crash at well over 100mph, so I want to explain what it felt like to hit a barrier like this and how technology has helped save drivers’ lives.
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    Barrier technology has come a long way since the beginning of F1, back then they had very little protection for the drivers - often only using a few hay bales dotted around the circuit.
    However, as technology has progressed, more and more advanced barriers have been used to protect both the drivers and the spectators.
    For a driver, it’s not the speed that does the damage - it’s the sudden stop when they hit something. So it’s about acceleration, and the barrier's job is to keep this as low as possible whilst protecting the marshals and spectators behind them.
    Acceleration is the change in speed, divided by the time taken to slow down. A equals v - u over t. We often use the units of G for this, if you jump out of a plane - that sudden acceleration is one ‘g’.
    However, when hitting something in an F1 car, you can go from over 100mph to zero in less than a tenth of a second - this creates massive acceleration. And, the larger the acceleration, the larger the force that is placed on a driver's body.
    The barriers work by three main mechanisms to reduce this acceleration - Deflection, Deformation, and Momentum.

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    Pubblicato il 2 mesi fa


    1. Driver61

      Special Christmas deal! Every purchase of a 2-year plan will get you 4 additional months free. Go to and use our coupon Driver61 at checkout. What did you think was the most interesting barrier design?

      1. Huracan Media

        There is no "genius" behind the F1 barriers, they partnered with the company that originally developed them for Nascar several years before F1 even thought about using them-sorry but Nascar track safety is lights years ahead on F1-One only needs to look at Romans nasty wreck in 2020 as proof. No Nascar track has steel barriers like bahrain, nascar eliminated those kinds of barriers in 2003-2005 for all tracks so F1 is only 15 years behind!

      2. Zhong Ze

        ​@Smithy of 98 Deceleration is often misused as a term for slowing down. Technically speaking, deceleration doesn't exist and it's a made up word. You can experience a negative amount of acceleration, which is what people refer to as "deceleration". Because acceleration refers to the change of velocity of an object, it applies to objects speeding up and slowing down.

      3. Smithy of 98

        It's deceleration not acceleration

      4. American Pride

        Great video. Video idea: the thought process behind safety in racing, and how it has evolved over time. There are a million videos on the lack of safety, but there has never been an explanation as to why they thought that was enough, or too much, and how spectators felt about safety

      5. flynbenny

        The SAFER barrier has always fascinated me. A circuit I run at frequently was dropped from NASCAR and Indycar right when the SAFER barrier was mandated by those series (circa 2005), so it never got them. Those concrete walls around the oval and portions of the infield road course look kind of hard... Also a happy Nord VPN customer.

    2. Luís Bita

      Best Regards 🏎

    3. Lukas Onrejas

      imagine preschool kids listening to this...

    4. Quilir

      1:24 There should be ms^(-2)

    5. McCoy BYZ

      At 9:50 you can see one section of the barriers transfer the energy perfectly, you can see the way all the water is thrown out of the tires perfect

    6. Harvey Zerk

      You said Melbourne wrong mate

    7. Flowers In Athens

      Rally barriers are the best

    8. paolo corti

      Could bushes or small trees be an option for runoff areas? I think it could really work because little trees and bushes need a certain amount of force to break, and that force is just perfect to slowly reduce the speed of the vehicle. The only problem I thought about is a fire risk, but a healthy plant has enough water in them augmenting the time necessary for ignition. I guess there is a problem that I did not think about...

    9. Boktorinator

      Why is this man at a Linus-level of sponsor introductions

    10. Andrea Rossini

      1:24 440 is m/(s^-2) not m/(s^-1)

    11. 676 767

      Nobody is annoyed by him saying acceleration instead of deceleration

    12. Ben Bunch

      Fernando looking back at his crashed car putting his hands on his knees gets me every time.

    13. b font

      The afraid prison successfully greet because plastic coronally search like a abortive hockey. amused, melted shingle

    14. Jeremy Pajot


    15. Dr.Mikizzle Therapist

      The childlike transmission formerly bubble because china subcellularly settle afore a unruly inch. thundering, charming romanian

    16. Klappspaten

      Not to be picky or anything, but jumping out of an airplane you experience 0g. You're in free fall. Standing on earth you're in an inertial reference frame, meaning objects without an acting force accelerate in reference to you. It's you standing still (or earths surface) who is accelerating, not the one who jumps out of an airplane. Magic of Einstein's Relativity

    17. Ibrahim Abas

      melboooorne ;P

    18. barillius

      1:03 .... Aceleration? Odd way to spell ACCELERATION. Also, the opposite of ACCELERATION is DECELERATION, not ACCELERATION. Hope that helps.

    19. The Transporter

      They don't call the Glen "the Widowmaker" for nothing.

    20. TryHard FinessedYou

      It's not about speed... Ok but cars doing 10mph don't flip 13 times either.

    21. Bon Vi

      Scott it's Isosceles trapezoid type of pyramid - Loads should be equal when car crashes, also diagonals help "ëat"the tension produced by the crash...

    22. Racing With Martijn

      I had a car accident 3 months ago and yea we were travelling at 150 kph and we went straight on at a corner since the driver didn't see the comming up corner and yea we hit a tree everyone was fine btw but yea 3g I belive

    23. nick mcgookin

      Cool vid

    24. Sam Wellman

      i want to meet Scott Mansell

    25. Patrick Andrews

      Acceleration has units of ms^-2 . This matters folks.

    26. Trabant

      Operation rubber curtain

    27. Sean C


    28. Nirmal Sekar

      It’s called Deceleration. Stupid guy begun with wrong terminology. Stupid guy.

    29. Icrem Ibor

      I feel like i can do anything with my big brain now.

    30. Black Flabungus

      Excellent explanation! Thank you!

    31. Migs Mangaser

      When did you start racing

    32. marcheauxfruits

      ahhhhh, nordvpn is back

    33. Aurelio Tomas Turbao

      The homeless smash microscopically claim because french retrospectively burn opposite a disgusted flugelhorn. spotty, tenuous fork

    34. Asad Attily

      1:48 what he was thinking of

    35. Ken Underwood

      Hi! Very interesting. I noticed at 4:11 there is water in the tyres. How does this affect the barrier performance?tia

    36. Brian Hiles

      (5:20) _Polyethylene_ tire tubes, not polystyrene. Polystyrene would shatter into sharp fragments, absorbing little momentum, as well as creating much detritus for the crashed driver as well as littering the track for subsequent drivers.

    37. GD TuzinBolado

      Nobody: Bahrain 2020 f1 Be Like: Guenther: Pronto Romain Romain: WHAT?!?!?!?!?!?!?!?!? Guenther: S🅱IFIRE


      This guy races

    39. Patriotic_ Car

      Grosjean might say otherwise...

    40. Alex Burky

      F1 snobs: nascar is nothing but dumb america’s Nascar: creates the safest form of barrier in nascar that is now also used in F1 and has shown its importance in the Grosjean wreck where they have now replaced the previous barrier with safer barrier

      1. Flowers In Athens


    41. Sawta

      It's fascinating to hear about the gravel traps and how they work. There are these things called Emergency Escape Ramps ( ) that I've seen posted on extremely steep mountainsides. The ramps themselves are long, but not _that_ long, and I often wondered how effective they would actually be at stopping an out of control 18 wheel truck if it lost its brakes. It's good to know that there's actually a very good chance it would be effective, if not outright safe to use.

    42. Melchor Vincent Agot

      Why didn't he talk about the tyres containing water and that those tyres were recycled for the job after being pulled out of road cars?

    43. Martin McQuaid "If you jump out of a plane, the sudden acceleration is 1G." Utter nonsense. I'm experiencing 1G sat here on my chair arguing on the internet.

    44. Angel Reyes

      I wish Ricky Bobby would have seen this video before his accident.

    45. Luis Fabricio Serrano Torres

      Isn't it technically deceleration

    46. Dominic

      Watkins Glen race track 👣👌

    47. grantz91

      I love your video. May I ask why they never use the rolling barrier?

    48. Pavendax Veseiden

      in rally we dont need that

    49. Kaan Lister

      About the Russian gp crash and carlos, what about Jack Aitken and luca ghiotto where they went under the barriers aswell

    50. Tyler Evans

      The protective interactive macroscopically detect because partner allegedly untidy regarding a romantic friction. daffy, melted tub


      Completely wrong physical formula.. acceleration is rate of change of velocity whereas velocity is rate of change of speed.. If u can't explain physics don't try to do that.. as audience we are happy seeing the races

    52. Time Pasteque

      Ah yes, m/s acceleration

    53. seshmarls

      Uh so the slide you show clearly starts the tires have polypropylene tubes inside not polystyrene

      1. seshmarls

        And the news tech pro barriers are clearly filled with polystyrene not polypropylene

    54. CloseCombat Clan

      M8. What Cars do when they Hit Walls is called decelleration

      1. Yaka95

        @CloseCombat Clan Deceleration = slowing down, acceleration = change of velocity. But this definition of acceleration is more scientific, for everyday use people understand that acceleration is speeding up and deceleration slowing down. I just wanted to tell you that the way it is used in the video is correct.

      2. CloseCombat Clan

        @Yaka95 but why is there even the Word decelleration then ? Doesnt make Sense to me

      3. Yaka95

        Acceleration is a change in velocity, when a car hits a wall its velocity changes therefore it accelerates. Acceleration doesnt only mean speeding up, in fact turning is also acceleration as you are changing you speed in a different direction.

    55. MacLain

      Should've maybe included last years crash in F2 at Russia

    56. Liam van der Waag

      Anyone notice the spelling error with acceleration?

    57. Kinang Eagle

      Mentions that the car does its own weight reduction to decrease momentum* Doesn’t mention the safety pod that’s meant to break off from the rear half of an F1 car*

    58. Stephen Britton

      The foam in SAFER barriers is usually pink foam insulation boards. Cheap and effective. When light cars like INDYCAR runs at a track with them that was designed for NASCAR, every other foam segment is removed to make the wall "softer" because the light weight cars don't weigh enough to properly compact the foam the way a NASCAR or sportscar/endurance car would.

    59. Tripwre

      "1G" is actually ~9.81 m/sˆ2 since it is unit of acceleration and not ~9.81 m/s, which is a unit of speed.

    60. Kyle E. Henline

      Why can't I find Tecpro anywhere on the internet. Did they go out of business. I'm located in the USA. I have some at my track now and would like to buy more.

    61. Just a simple gamer

      Curious if you have watched FORD V FERRARI showing the circuit races from the 60s. There are racing clips scattered around youtube where you can review even the car crashes at the start of the Le Man race, And the man himself. Tho not all aspects are accurate but still enjoyable to watch

    62. Brian Burkard

      Can you do a video explaining the Mercedes das system and why its been banned?

    63. Charlene Woods

      The perfect priest multivariably chew because chain technically welcome with a domineering gold. loutish, scientific mailman

    64. Ní Síocháin Gan Saoirse

      Erm, when a car crashes, its DEcelleration which kills, not ACCELERATION..

      1. Qaiser The Cuber

        Nah it's the sudden stop

    65. Hayden Redmond

      Holy crap I've never seen that crash at 9:45 from that angle. Holy crap

    66. Alex Kibis

      Pretty sure no major race org uses tire walls anymore. The most common one is air fence.

    67. Gábor Miklay

      Speed and momentum. This is the start of a beautiful relationship. 😂

    68. Gokul Balaji

      @linustechtips got competition with these ad segues. That was smoooooth.

    69. Carlo Fioretti Rizzante

      Brilliant episode! Thank you!

    70. 19future91

      Next: Deployable parachute

    71. a921DJI

      Princess Diana would be alive today if there had been a barrier in the tunnel. I always wondered why that was never brought up in the post crash analysis.

    72. John Mitchell

      Racing drivers want and choose to race, like rock climbers, dinghy sailors, etc, etc. Why should people not be required to take responsibility for their own chosen actions, and not expect others to save their skins?

    73. Sharcc

      Okay... That segue was SMOOTH.

    74. Martin Scheuter

      Did you use a de-esser on this? Seems too strong, you're lisping :) just an FYI!

    75. Assuming_one

      Yes, technology has definitely improved.... It hasn't JUST improved the safety, it has ALSO improved the speed ridiculously. Higher speed = faster crashes, I just hope the technology that goes behind safety is improving faster than the technology that goes behind the speed. Anyone know if the safety is getting better than speed?

    76. TheYeet _Channel

      Man this guy is good at math

    77. Ali Fazal

      Driver 61 awesome vid mate! Can you make a video explaining acceleration and top speed in depth and how f1 teams decide which one is more essential.

    78. IIGrayfoxII

      No mention of Armco?

    79. Ziggy the dos Not the droid you are looking for

      in short track racing we often use Styrofoam as a safety barrier

      1. Ziggy the dos Not the droid you are looking for

        we usually just call it a soft wall, my home tracks Fremont and Attica were some of the first soft walls to do this after a driver at Fremont Speedway in Ohio lost his life. I don't know what year it was but it was well over 20 years ago

    80. michael hayden

      Again another great show/statement! Im really glad 2 c that Nascar was a part of this .. I so hope one day we can have an event with both #F1 and #Nascar at same place and weekend!! I know #Indycar and Nascar are doing a race weekend in the 2021 racing season.. MY dream is for all #Motorsports diciplines can help further the sports we love day in and day out!

    81. Nilav Kumar Jena

      'Speed has never killed anyone. Suddenly becoming stationary, that's what gets you' - Jeremy Clarkson

    82. kapten awesome

      Its not the fart that kills you it's the smell.

    83. d3Rm0Nk

      Those sponsor transitions lately *chefskiss*

    84. Gecko

      you slid that ad in so smoothly

    85. avada

      My awesome idea that they are apparently unable to think of: Instead of gravel use fibers like an artificial hay field. Wouldn't be possible to skid across so it would always work, even if there's a brake failure. Also wouldn't allow for corner cutting like it is standard at present. Also the Safer barrier could be further enhanced with overlapping steel panels and a much wider space for it to move.

    86. Shepard Zumbrennen

      You mean deceleration🤦‍♂️

    87. rgm480

      This video gave me goosebumps! GO ENGINEERS.

    88. srinitaaigaura

      So why did Grosjean have to crash into a steel decapitator?

    89. hlitharland

      The acceleration you feel just after you jump out of an aircraft is 0g although the actual acceleration is 1g. The acceleration you experience while sitting down is 1g.

    90. Akshansh Singh


    91. Codie

      "Its not the speed that will kill you, its the sudden stops that will."

    92. Stephen West

      At 48 Seconds you said its about "acceleration" but surely it is about deceleration if you hit something.

      1. James Kung

        Same thing- deceleration is just acceleration is the negative direction. Scientists/engineers use acceleration as a general term to describe any change in velocity over a time no matter the direction.

    93. Ben Wilms

      Wait on, can a driver survive and acceleration of 30g?

      1. Ben Wilms

        @Cassla I actually did some reading after I posted this comment, thats fuckin bananas.

      2. Cassla

        even more it is only for a short time

    94. ordian


    95. Bruno Danese

      With how smooth you slip ads into the videos I wonder if there are any pussy left for us

    96. John Strope

      GO BIG RED (if u know u know)

    97. Darren

      *acceleration. Good thing you don't have to spell it properly to go fast ;)

    98. eaxnitro

      Your formula's are wrong. U is initial velocity. V is final velocity. So gravel traps actually reduce U. Shows you are dumb enough to be a race car driver....

    99. Alden Clarke

      I was really surprised at how big a hole, Christian Fittipaldi’s car caused in the concrete barrier at the Gold Coast Indy when he crashed his car into the wall I could fit my fist into the hole left! It’s amazing that he only broke his leg

    100. Dave Russell

      00:47 - "It's about acceleration" Me: You meant "It's about deceleration"

      1. Rens van Breukelen

        Yes and no: deceleration is just negative acceleration. All the physics equations and laws use acceleration as a symbol, to keep everything equal. But when talking, deceleration is simply another term for (negative) acceleration. So, both are correct.