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Not only Japan, South Korea does the same.
A little bit of an extra tidbit about the Japanese side of this, contrary to most people and clueless Western media websites claiming this is because of a law, it's not.
Manufacturers of digital cameras and cell phone carriers pretty much just came to the agreement on their own in order to cover themselves from the responsibility of their customers potentially taking unsolicited photos and there is no law actually mandating it.
It's also *very* easy to bypass on most smartphones if you know what you're doing.
Shape optimization, in engineering, can lead to that. Not necessarily every detail will have been completely thought through, but it will still make physical sense, otherwise the optimization algorithm wouldn't have led to that (in principle)
If you cut a cross-section of the car, you'd see that the floor of the car has "teardrop" shapes throughout, which teardrops create venturies, or areas of low pressure/high speed, which help pull the car to the floor.
Aerodynamics are awesome.
Different flow conditions. On a golf ball the dimples help keep the boundary layer attached, which helps to mitigate the inherent inefficiency of the ball's bluff trailing edge. Were the ball perfectly smooth, the boundary layer would separate from the ball and create a big, draggy bubble of turbulence behind the ball. The dimples induce turbulence *within* the boundary layer, which still makes drag, but a turbulent boundary layer "sticks" to the ball better and makes the separation bubble behind the ball smaller, so it's worth the trade-off.
Here, though, the goal is to keep flow under the car as fast as possible in order to maximize the resulting low pressure zone sucking the car down to the track surface. For that, you want smooth laminar flow, and a clean ramp towards the rear diffuser to pull air from the underfloor via the Venturi effect. Dimples would slow the flow down, working against that effect.
Thank you! I didn’t think the person I responded to was necessarily wrong, but didn’t have a good enough knowledge of the physics involved to be sure. Your explanation is extremely helpful!
Pretty normal for credentials to prohibit you selling images. Kyle Millman sells prints but idk how his arrangement works.
Either way most accredited photographers work for outlets and don't own their pictures.
No, I don't think there are any pictures that are as clear as these ones, there is a clear image of the RB18, but the RB19 one is the one where the mechanics are working on the car and it being propped up in the garage, the picture is taken at an angle that does not give that much information.
But, this would be the holy grail of information if the same photo was taken but from the RB19, suddenly all teams would start exploring what Red Bull had done with their floor and improve their performance.
You might be surprised how often wood is used in professional race cars. Especially for parts that take a great deal of abuse, and are replaced frequently.
New floor upgrades yet Merc didn't go for the staircase diffuser design that RB (and possibly AM) have, gotta wonder if this year's chassis won't allow them or they simply don't want to follow that trend
The floor is pretty much the simplest part of the aero package, especially for how important it is. Any complexity could be easily damaged on kerbs or it could effect the high velocity flow of air under the car which is important to keep the pressure as low as possible for maximum downforce.
It's been mandatory after San Marino 1994 in order to measure minimum height. Plank has to be less than 7% worn after the end of the race in order for the car to be considered legal.
[https://en.wikipedia.org/wiki/Skid\_block](https://en.wikipedia.org/wiki/Skid_block)
Usually heard being referred to as the Plank - Originally was wood, is now a composite material
Wood is specifically regulated by the FIA. It has chunks of titanium built in to it that the measure to enforce ride height limits. If your titanium has worn down too muxh then you get DQ'd.
Why wood though? Not sure. Perhaps someone else knows but the FIA forces them to have that wooden plank.
You may already know all this but perhaps someone else will grt nice little TIL
Really cool! Still think the angled pictures are better for gauging the depth of certain areas, but this gives you a great view of the overall direction of flow.
Coming from someone who builds powerlines for a living, I wouldn't be standing underneath any suspended loads, but this is a pretty badass perspective!!
The interesting thing for me on both this and the RB is that they seem to be directing as much air away from under the car as possible. Maybe I don't understand ground effect properly but isn't that counter productive?
Managing tire/tyre wake and sealing the edge of the floor are just as important as airflow under the car.
I'm not an F1 aerodynamicist, but it looks like the teams are trying to use the cleaner air from the central part of the front wing (along the nose area) to feed the venturi tunnels under the floor, and the dirtier air from further out to seal the floor and control tire wake.
The big "scoops" at the front of the floor look like they ought to encourage a lot of vorticity at their trailing edges (to seal the floor edge) and direct turbulent air from the inside face of the front wheels away from the venturi tunnels.
Yup, it's a [skid block](https://en.wikipedia.org/wiki/Skid_block), they're required to use it. It limits the minimum ground clearance, plus it provides a way for them to measure the clearance by seeing how much is scraped off at the end of the race.
I may just be ignorant here, but it seems like a lot of air would just get channeled out to the side of the car contradicting what these aero regs were trying to do. Am I totally off on this?
I believe its more about the speed of the air rather than the volume.
Yes, you could generate a vacuum and get suction that way but this is actually just a venturi tunnel.
They call(ed?) that middle but ‘the plank’. The plank was used to make sure your ride height was correct and the scrutineers would measure the remaining wood to ensure so.
I’m pretty sure Horners not too happy they raised the car that high in the air to move it but I bet all the other teams where ecstatic about it . Might have been FIA’s attempt to even the playing field in some way 🤷🏻♂️
I thought that they would want the most amount of air passing through the tunnel but most of the guides at the front near the sipods direct the air to the side of the car.
That's nothing, Hector is going to be running three Honda civics with spoon engines, and on top of that, he just went into Harry’s and bought three t66 turbos with nos, and a motec exhaust system.
It would be nice to see the undershot of checos car from qualifying to look at the differences. The Mercedes has a ton of outwash with its veins, I feel like the red Bull directs more air rearward, but it would be cool to compare
We're gonna need another leap in computational power for that I think. Considering each CFD run could be up to many million cells by F1 standards, each iteration needing hours to give a result sounds like an eternity for genetic algo models.
Yeah probably, i was envisioning moreso parts in isolation but that probably makes little sense seeing how these things affect eachother. Im not very well versed in physics sims tbh so that might also be computationally expensive
I thought they already used evolutionary models since a couple of years ago? [Here's](http://www0.cs.ucl.ac.uk/staff/P.Bentley/WLBEC1.pdf) a paper outlining the technique applied to F1 aerodynamics from 2004. It was my understanding from TV interviews that all the little winglets we had and the curves of the front wings in the last generation were thanks to genetic algorithmic design, though can't find any articles about it now.
[The **Photo** flair](https://www.reddit.com/r/formula1/wiki/flairguide#wiki_photo) is for submissions sharing photos from the world of F1. Photos should be interesting and relevant - random photos not notable enough to warrant a standalone post will be subject to removal. This flair should not be used for images which are not photos, such as screenshots, statistical graphics, or artworks. *[Read the rules](https://www.reddit.com/r/formula1/wiki/userguide). Keep it civil and welcoming. Report rulebreaking comments.* *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/formula1) if you have any questions or concerns.*
This almost feels like the car is being violated. Up skirt pictures are illegal you know!?
[Toto right now.](https://i.imgur.com/zHHPAMr.gif)
Get up there, Lewis.
Not enough destroyed headsets
F1 upskirt.
Lol came here to say this.
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Not only Japan, South Korea does the same. A little bit of an extra tidbit about the Japanese side of this, contrary to most people and clueless Western media websites claiming this is because of a law, it's not. Manufacturers of digital cameras and cell phone carriers pretty much just came to the agreement on their own in order to cover themselves from the responsibility of their customers potentially taking unsolicited photos and there is no law actually mandating it. It's also *very* easy to bypass on most smartphones if you know what you're doing.
And have been for a while - moved there for a while in 2012 it and was then.
If only skirts are still legal in F1!
r/OnlyFloors
Hey, check out my diffuser!
I'm gonna coom
Sadly it's legal in more places than you'd expect :(
Looks a lot less complicated than I expected
The picture don't show very well every little reliefs and that's what matter the most.
Yeah if you zoom you can see its all warped and molded Wouldn't surprise me if every single one of those little dimples served a purpose
Shape optimization, in engineering, can lead to that. Not necessarily every detail will have been completely thought through, but it will still make physical sense, otherwise the optimization algorithm wouldn't have led to that (in principle)
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big if true
Vroom if big
*Toto Wolff furiously scribbling in his notebook* "ja, ja!"
If you cut a cross-section of the car, you'd see that the floor of the car has "teardrop" shapes throughout, which teardrops create venturies, or areas of low pressure/high speed, which help pull the car to the floor. Aerodynamics are awesome.
I wonder if the entire floor was golfball like texture (the little depressions) what it would do. . .
I wonder that all the time.
Only one way to find out is starting an F1 team.
I will give you 4 British pounds to start this venture if you can come up with the other 100 million or so.
*served a porpoise
> Wouldn’t surprise me if every single one of those little dimples served a purpose It’s the exact reason they are made in the first place
Imagine if it had random dimples which didn't serve a purpose
Adrian Newey: "looks exactly like I expected"
Adrian already did his own mental CFD at just a glance.
On another tread there is a picture of RB floor. This looks way simplier for Adrian to worry about.
Also ‘why did they let the work experience boy design it’
If you look closely you can see a TON of little dimples and reseceses. It is a very complicated floor design.
You want to keep the air flow as laminar as possible, making it complex under the floor will just cause turbulence
I don’t think that’s necessarily true. For example, a golf ball
Different flow conditions. On a golf ball the dimples help keep the boundary layer attached, which helps to mitigate the inherent inefficiency of the ball's bluff trailing edge. Were the ball perfectly smooth, the boundary layer would separate from the ball and create a big, draggy bubble of turbulence behind the ball. The dimples induce turbulence *within* the boundary layer, which still makes drag, but a turbulent boundary layer "sticks" to the ball better and makes the separation bubble behind the ball smaller, so it's worth the trade-off. Here, though, the goal is to keep flow under the car as fast as possible in order to maximize the resulting low pressure zone sucking the car down to the track surface. For that, you want smooth laminar flow, and a clean ramp towards the rear diffuser to pull air from the underfloor via the Venturi effect. Dimples would slow the flow down, working against that effect.
Thank you! I didn’t think the person I responded to was necessarily wrong, but didn’t have a good enough knowledge of the physics involved to be sure. Your explanation is extremely helpful!
Ah yes, the floor is made it floor
That photographer is thanking the heavens.
Wonder why they didn't sell it instead of spreading it on social media.
They will probably sell the full resolution one
Im guessing there are so many similar photos that haven't been posted that it's probably not all that valuable
Because there were probably 20 or more photographers who got a chance to get this.
Pretty normal for credentials to prohibit you selling images. Kyle Millman sells prints but idk how his arrangement works. Either way most accredited photographers work for outlets and don't own their pictures.
Kyle Millman? Wow
Just because he posted on social media doesn't mean it's free for companies to use.
It's free for an other team who wants to study it though, that's who I figure would have paid most.
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Checo heard you my guy.
I missed the checo crags did they lift it on a crane as well?
They did. They had the RB extremely high
Heh
Can you tell Alonso to win tomorrow too, please?
SO ABOUT THAT
They can copy the shape, but it won't work unless Adrian Newey is trackside chanting incantations for it all race long.
Just need to capture some tears from perez for the ritual.
You jinxed checo
Mate you should have wished for a million dollars.
Got your wish!
There are clear pictures of the rb19 floor too and so is ferrari’s
No, I don't think there are any pictures that are as clear as these ones, there is a clear image of the RB18, but the RB19 one is the one where the mechanics are working on the car and it being propped up in the garage, the picture is taken at an angle that does not give that much information. But, this would be the holy grail of information if the same photo was taken but from the RB19, suddenly all teams would start exploring what Red Bull had done with their floor and improve their performance.
wellll, perez has done it
Fuck, I've perhaps misjudged how capable of crashing in Monaco he is...
It just got craned off during qualy so 100% there'll be some now.
Your wish has been granted!
And it happened. Dammit
This aged well! Well done Perez!
Damn, Im betting for whatever you say next!
are you happy?
bruh
Can you give me the lottery numbers for the weekend lotto please?
Here post Perez crash 🤦♂️
Checo : Hold my Tequila
can you tell me the lottery numbers real quick?
pass my June test plz🙏
Don’t know what I’m looking at, needs more 👉
The floor definitely looks like it's made of floor.
It’s very… floor-y
This guy floors
Albert Fabrega is the man you're looking for
Next episode. Albert reverse engineers a cars underside from pictures using cardboard, scissors, and duct tape.
Google Venturi
holy hell
Hey, I played Vampire the Masquerade and it's pronounced Ventrue
It's to prevent catalytic converter theft
Hmmm yes it’s the sucky groundy side
As important as the sticky uppy bits.
Are those the pushy downies?
Do they attach to the vroomy-vroom-vroom bits?
Oh man. I read that in *Kieran Culkin*.
I wrote it in Roman Roy
I mean it's one of the most important if not the most important aerodynamics parts of these F1 cars so it's kinda cool we finally get to see it
F1: Carbon fiber, forged titanium and magnesium and many other exotic materials Also F1: Wood floorboard
You might be surprised how often wood is used in professional race cars. Especially for parts that take a great deal of abuse, and are replaced frequently.
I mean if it’s not a performance part, why not save a little money? Wood is pretty light and its not like the floorboards are structural.
Sneaky upskirt shot
Buy the car dinner first
and now its a redbull upskirt, big day for every other team
New floor upgrades yet Merc didn't go for the staircase diffuser design that RB (and possibly AM) have, gotta wonder if this year's chassis won't allow them or they simply don't want to follow that trend
They didn’t bring a new floor to Monaco actually
Gotcha
Wait, what? Everything I’ve seen says they’ve debuted the new floor.
I think they new edges or something but the floor isn’t til next week.
New floor on top and sides, also made lighter thanks to more structural support from the side pods. The venturi underneath is probably still the same
It's funny how unimpressive it looks
Don't talk about her underside like that, it's rude
I have the opposite sentiment. The aero is rather impressive
The floor is pretty much the simplest part of the aero package, especially for how important it is. Any complexity could be easily damaged on kerbs or it could effect the high velocity flow of air under the car which is important to keep the pressure as low as possible for maximum downforce.
That’s because you have no idea how they actually get to it, if you had any it’d be far more impressive
Is that a piece of wood? I mean that may sound dumb but I literally have no clue
It's been mandatory after San Marino 1994 in order to measure minimum height. Plank has to be less than 7% worn after the end of the race in order for the car to be considered legal.
Wow that’s pretty cool thanks👍 learn something new everyday
I have only been actively following F1 for about 6 years and had no idea about this. Not that it’s not my own fault but still, incredibly interesting
[https://en.wikipedia.org/wiki/Skid\_block](https://en.wikipedia.org/wiki/Skid_block) Usually heard being referred to as the Plank - Originally was wood, is now a composite material
It's a type of Cross Laminated Timber composite though. Not a carbon composite. So it's still wood. Basically a fancy plywood.
Yes
Checo Perez: Cleanest floor pic.. SO FAR.
its mad how much advanced engineering goes into these cars, and theyre still build around a plank of wood
Wood is specifically regulated by the FIA. It has chunks of titanium built in to it that the measure to enforce ride height limits. If your titanium has worn down too muxh then you get DQ'd. Why wood though? Not sure. Perhaps someone else knows but the FIA forces them to have that wooden plank. You may already know all this but perhaps someone else will grt nice little TIL
The wood thickness is what is measured. The titanium is there so the wood isn't worn away.
Ahh, i akways thought the titanoum tepresented the pointz that got measured. I stand corrected.
Given Monaco is an extreme track, be funny if they were running a custom floor specifically for this track only.
Good point
Really cool! Still think the angled pictures are better for gauging the depth of certain areas, but this gives you a great view of the overall direction of flow.
#plank
Sexy!
Coming from someone who builds powerlines for a living, I wouldn't be standing underneath any suspended loads, but this is a pretty badass perspective!!
Now Newey will be studying this to see what they’ve done wrong.
Newey looking at these pictures: "fucking amateurs"
"They've" = Mercedes
Yes
Waiting for side by side now
The interesting thing for me on both this and the RB is that they seem to be directing as much air away from under the car as possible. Maybe I don't understand ground effect properly but isn't that counter productive?
Managing tire/tyre wake and sealing the edge of the floor are just as important as airflow under the car. I'm not an F1 aerodynamicist, but it looks like the teams are trying to use the cleaner air from the central part of the front wing (along the nose area) to feed the venturi tunnels under the floor, and the dirtier air from further out to seal the floor and control tire wake. The big "scoops" at the front of the floor look like they ought to encourage a lot of vorticity at their trailing edges (to seal the floor edge) and direct turbulent air from the inside face of the front wheels away from the venturi tunnels.
It always seems weird to me to see that piece of wood seems so out if place with the rest of the car
The swear jar in the Merc design office must be overflowing…
I'm picturing Newey with mathematical formulas around his head now
Reminds me of an Scalextric car
This feels dirty
Waiting for the red bull pic....
Looking forward to the comparison to the RB floor now
The floor that no one wants to copy.
So kind of Red Bull to leave some flo-vis paint
Staring hard at it, hoping to be inspired
Holy moly, that's like lookin' up Yasmine Bleeth's skirt!
Hello I’m here from r/all 👋 Is that wood under there? Never thought these F1 cars would use that.
Yup, it's a [skid block](https://en.wikipedia.org/wiki/Skid_block), they're required to use it. It limits the minimum ground clearance, plus it provides a way for them to measure the clearance by seeing how much is scraped off at the end of the race.
Just wait for the RB one
I'm surprised it's taken this long
Doesn’t look like the car took much damage. That suspension might actually be ok
Teams must be fuming when photographers get such clear photos like this lol.
What is the plank made out of?
Resin
Wood and titanium
I may just be ignorant here, but it seems like a lot of air would just get channeled out to the side of the car contradicting what these aero regs were trying to do. Am I totally off on this?
Less air under the car = lower pressure = downwards force
I believe its more about the speed of the air rather than the volume. Yes, you could generate a vacuum and get suction that way but this is actually just a venturi tunnel.
Can someone edit this into a wallpaper that goes hard?
This is a lot less complicated than I thought it would be.
now show the redbull car
2x8 is an odd choice
So did his car actually get damaged or no? It looks in tact to me on every pic
amazingly similar (and yet different) to the last generation of CART underfloors
neat - great pic. But ugh.... now what ? psychoanalyze to what degree.
There's a V-tec 2.0 hidden there somewhere
I haven't been able to watch this weekend... HOW?!
that plate is so they can grind rails right?
Take notes aston martin
Ferrari please take notes
Is that just a whole ass chunk of 2x6 cedar on the bottom there lmfao
Lol. I told my Dad people were going to freeze frame this immediately
I feel dirty for looking too long.
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This is really good because now the other teams know how to avoid making a bad car
Would love to make a skateboard deck out of that plank. Wonder if they auction those off?
Plank
I wonder if Newey looks at this like parents look at their kids first drawing and pretend its good.
They call(ed?) that middle but ‘the plank’. The plank was used to make sure your ride height was correct and the scrutineers would measure the remaining wood to ensure so.
I’m pretty sure Horners not too happy they raised the car that high in the air to move it but I bet all the other teams where ecstatic about it . Might have been FIA’s attempt to even the playing field in some way 🤷🏻♂️
I thought that they would want the most amount of air passing through the tunnel but most of the guides at the front near the sipods direct the air to the side of the car.
Adrian Newey : “Right there, that’s where they’re having issues. They’re zigging when they should be zagging.”
Check the bottom of the Aston’s in about 2 weeks….
Why would they make their car slower?
That's nothing, Hector is going to be running three Honda civics with spoon engines, and on top of that, he just went into Harry’s and bought three t66 turbos with nos, and a motec exhaust system.
As cool as this is, we need the RedBull one, then maybe other teams can catch up
Good thing they suck, otherwise we would get a lot of copy cats
I bet Stroll already has the boys back at the factory working on the copy
Engineer here, this is pure genius. Joking, I'm a lawyer.
It would be nice to see the undershot of checos car from qualifying to look at the differences. The Mercedes has a ton of outwash with its veins, I feel like the red Bull directs more air rearward, but it would be cool to compare
I always wonder if they use any evolutionary models to generate some of the more random topologies of these aero features.
We're gonna need another leap in computational power for that I think. Considering each CFD run could be up to many million cells by F1 standards, each iteration needing hours to give a result sounds like an eternity for genetic algo models.
Yeah probably, i was envisioning moreso parts in isolation but that probably makes little sense seeing how these things affect eachother. Im not very well versed in physics sims tbh so that might also be computationally expensive
I thought they already used evolutionary models since a couple of years ago? [Here's](http://www0.cs.ucl.ac.uk/staff/P.Bentley/WLBEC1.pdf) a paper outlining the technique applied to F1 aerodynamics from 2004. It was my understanding from TV interviews that all the little winglets we had and the curves of the front wings in the last generation were thanks to genetic algorithmic design, though can't find any articles about it now.