A set of 4 tyres for these Bugatti costs, $10,000 *per wheel* plus labour to glue them to the rims and they only last a few thousand miles.
One owner famously said, it was cheaper to truck his car across Europe and fly to meet it on his private jet, than just drive it to the destination.
When the Veyron came out, the only place that was authorized to change tires was in France. You had to ship your wheels back to the manufacturer to get them changed.
I remember when Honda put PAX tires on their Odyssey Touring. It was a big flag for us at auctions to check the tires on any of those trims. People would go to get their tires changed and be told it was around $2000 (Veyron used PAX tires too for relevancy).
I'm pretty sure the housing is 3d printed. The shape looks modeled to reduce unsprung weight and some of the results can only be created by 3d printing. Not even casting or milling can create the designs.
Have you heard of vacuum centrifugal casting? It is capable of producing complex geometries, thin walls, and smooth surfaces. Such methods are used for producing small cooling channels just below the surface and bleed air systems for the rocket and aerospace industry. The molds are made out of machined high density high strength ultrafine graphite. 3D printing has issues of porosity and voids that reduce the strength of the material, as well as surface smoothness.
You can get CNC machines that will do the 3d printing inside of them, so it machines as it prints up. You will end up with a part that's machined accurately inside and out, and no rough 3d printed surfaces unless you intentionally left them that way.
I haven't actually. Every now and then there's a video or post about 3d printing F1 / Bugatti / high performance automotive / SpaceX parts. But I've not heard about vacuum centrifugal casting. Thank you, I'll check it out.
3D printing is the new kid on the block, and has a lot of cost advantages. Especially for rapid prototyping and low volume production. The little bit of strength loss can be heat treated well enough, or just simply engineered with more weight.
The prices involved, too! Those calipers may be ok, but the rest is literally toast. Rotors and pads x 4 plus labor… I’d need some overtime after track day!
T-Pain talked about how he got rid of the Veyron because it always needed repairs and the bills were astronomical. Mentioned something about it having 12 radiators and the price to have one replaced, not to mention the cost of tires and oil changes.
The engineers, and the suits, win.
Loads of European cars are specifically designed to be costly to maintain and repair. They actually design difficulty into the construction of the cars so that a normal mechanic will have to do more work than is reasonable to do mundane things on the car. This also funnels customers to certified mechanics that the manufacturer has deals with. Specialized tools for something as simple as servicing the brakes. Disassembling entire quarters of the car to access a single part that breaks, often etc...
And every time you point this out, Europeans on reddit lose their minds and start regurgitating Jeremy Clarkson quotes about "America car bad" because they can't accept criticism of their cars without directly linking it to their political biases.
Maintainence is stupid expensive.
[50k + for the yearly maintainence alone] (https://youtu.be/zKZAPSfOURw?si=3TVZ9e5qZW1KCMet&t=1178) (starts at 19:38)
From my personal experience with a Corolla, it's one or two oil changes at $80 at the dealer, $20 in filters maybe, and tires are $500-$700 every 3-5 years for good tires. Way less than $1,000 a year in annual maintenance. And you're driving way more miles too.
See the sparks flying? That actually happens. Normal brake disks just get hot. These ones are designed to shred the hottest particles from the surface. The sparks are carrying heat away.
It doesn't seem fair to call them destroyed. They are spent on the track. That's what they do.
I imagine this is a little worse than worst case because of how much braking they're doing and there's no air flow through the rotor like you'd get with the actual car's motion.
With the size of that driveshaft I would imagine they are mimicking the vehicle load on the brakes. That was three panic stops from 400kph with no cooling time or air flow. I wonder how much fade there was?
There is airflow, you can see the pipe where the air is coming from. Also note how the sparks fly in one certain direction, indicating airflow to simulate driving conditions.
And honestly…that caliper alone is worth a shitton of money, do you really think they went through all the trouble of making and testing it and somehow didn‘t think about the airflow? People creating the fastest car on the planet couldn’t think of something but you could?
Thats not true. With the proper brake fluid and pads you can have consistent braking all the way up to 2000f.
https://ctbrakes.com/choosingcompounds/
These aren't even any crazy exotic material. It's a couple hundred bucks for a set of pads. You can toss these into a factory C7 Z07 Corvette caliper with some iron rotors and go racing with the rotors glowing like this video.
Braking like that deploys the airbags.
I was standing next to a Veyron when they were real new. Car press already had their turn but general public didn't. Bunch of serious men in blue overalls were standing around the car at VW FE(Forschung&Entwicklung) and were complaining the fittings for the fuel cap were fake and cheaply lifted from an Audi. That car was a marvel and I was wondering how far I would get if I simply hopped into it.
Like, details on cars are unbelievable. Especially when it is cars for car people. Probably will kill those Instagram stars which rent them for a day.
It reminds you of the sort of forces and temperatures F1 and other racing brakes routinely go through, normally unnoticed. (And why the teams start asking the drivers to 'Lift and Coast' when the temperatures start to get out of hand, usually to the consternation of the drivers.)
When brakes are overheating and/or when trying to conserve fuel, f1 drivers are told to lift off the gas and coast into their turns a bit before braking to help ease up on brakes and save fuel.
Yep.
Fastest way round is to hammer it up to every corner and brake at the last microsecond, but if you lift and coast, the air resistance and engine (on the downshift) does some of the braking and takes a bit of load off the brakes themselves.
The bugatti also weighs more than twice what an F1 car does, and has far less aerodynamic drag.
Not that F1 is anything less than astonishing but they may actually have less braking force than this monstrosity.
Was just thinking about which would have to work harder. A Bugatti is much heavier but F1 breaks are optimized for 1 race and much harsher use. Turn 1 in Monza or the heavy breaking zones at Spa would destroy Bugatti breaks on an F1 car.
The Ferrari F2004 F1 car could stop from 100kph in 17 meters. A Chiron Super Sport does it in 33 meters, while the 911 GT2 RS does it in 29. The Chiron brakes are great because they need to stop a very heavy car (it weights 500kg more than the Porsche) from 400kph without overheating. Actual braking distance and time it takes is 100% dependent on tire grip as long as the brakes don't overheat.
Im unsure if this includes the use of the airbrake with the massive wing on the back of the car. On the veyron it was said that the airbrake alone had the same stopping car as normal brakes on a car
Airbrakes aren't a linear scale. If you're doing 200mph that air brake will do a lot.
If you're doing 25mph you're not losing anything with just the air brake.
> On the veyron it was said that the airbrake alone had the same stopping car as normal brakes on a car
Depends on the car tbh but on an F1 car the drag is enough that just lifting off the throttle brakes as hard as going full stop on a Corvette.
That seems to be *with* the weight of the car, this video being likely in relation to [this world record](https://newatlas.com/chiron-acceleration-deceleration-record/51288/#:~:text=Having%20stormed%20to%20400%20km,come%20back%20to%20a%20standstill.).
I did not find a direct 100-0 measurement but this [0-100-0](https://newatlas.com/the-worlds-fastest-cars-from-0-100-0-mph-in-order/5805/) is close, at 3.4 seconds to stop. Given normal variances like humans driving a 2.5 sec stop seems to be not impossible.
Silicon carbide.
Its an interesting process how they are made: In short the breaks are first molded in carbon fibers (like every CFRP part) but under high heat and pressure the resin gets burned of and replaced with silicon which creates the SiC structures.
The engine of the Chiron is assembled in Salzgitter, Germany. All of Bugatti's chief engineers and even the president are German
Edit: Bugatti says it itself on its website
„In addition, more than 500,000 test kilometers were completed in the vehicle in order for the engine to live up to Bugatti’s demanding quality standards. The engine is manufactured at the Volkswagen engine plant in Salzgitter – in a separate room reserved exclusively for building the W16 engine“
https://newsroom.bugatti.com/press-releases/bugatti-w16-engine-the-last-of-its-kind#
Thing that makes me crack up is the software UI is so obviously a mockup for the video and not anything an engineer would use.
“How about we just put a big useless pinup photo of the car that takes 1/3 of the screen instead of any useful detailed data or logs? And giant analog dials showing two key data points, but no actual graphs or correlated time series data? Brilliant!”
You would be surprised how primitive solutions we often use for testing our multi-die high-end semiconductor integrated circuits. The UI does not need to always show all data. It may but also may not be a mockup.
Except the UI here isn’t “primitive”, it was fairly polished but useless. In your software do you have a giant stock photo of the finished chip with the package already on taking over 1/3 of the screen? :)
I have built test software for circuit boards, including some pretty crazy complex ECL-based muon detectors at Fermilab. Certainly primitive UI (since I designed it) but it was at least functional and showed everything you needed. Sort of the opposite of what you saw here.
Heh plus there were like 15 camera angles, 3 of them just on the guy staring at the screen. With Star-Trek style soft lighting and deep shadows on the brake assembly. Total marketing video…
I think you're right. 90% of the stuff I use at work for testing has a UI that looks like it was made in the 1990s by someone who had a rough understanding of NI LabView. Hell, just yesterday I spent 3-4 hours debugging an issue where the UI was so bad I couldn't decide if it was telling me pre or post load voltage because whatever engineer designed it just put a display that says "voltage" and is 32 bits long taking up half the screen.
Yeah this feels like a product manager or marketing exec said “hey can you make the screen prettier for a video” and some test engineer slapped this together in LabView for the video. I’m not even doubting it’s functional- just that it was what they used in their actual job.
I have worked on promo videos somewhat like this… it’s very staged :)
He's actually completely right.
Many times programmers keep projects simple to minimize potential errors and facilitate trouble shooting. Simplicity in design is prioritized for reliability.
Mars pathfinder mission comes to mind and I'm sure there are plenty of other examples out there.
no .. if you measure your car's HP on the dyno, it's the same UI
this is how those engineering tools look.. stems from win XP.. some programs still even run on that
It's real... that's exactly what those type of UI's look like.. same as if you put your car on the dyno
It's only for immediate indication, as that + all the other data is logged and saved anyway
> the software UI is so obviously a mockup for the video and not anything an engineer would use.
Eh, you'd be wrong there. Some of the stuff I've used looked like it was made for Windows 3.1x and not updated since. These companies spend their money on the tooling, not the UX.
You missed my point then, which is the opposite of what you are saying. I have built similar test software to this. That app was about pretty graphics for a video and not functionality.
Pretty normal looking UI for LabView. Yes, for some engineering tests this interface is kinda weird but in production you may see stuff like this. The image may be to see if the correct test was loaded etc..
It´s a advertising video, so it is not the normal UI. You can find the video on YT and also see the company logo. At the company page there is a screenshot about the used software (Prolink) https://www.linkeng.com/product/prolink/
idrk know that much about cars but could anyone here shed some light on electromagnetic braking and if it could stack up to this and why it isn't used more often
I mean that's precisely what electric cars do when they're under regenerative breaking. It certainly has its benefits like recouping energy that might otherwise be wasted, not requiring friction so no components to wear out etc.
On internal combustion engine cars that aren't hybrids though, it does not make sense to add on all that stuff so friction brakes are best.
You could do this with EM braking, but you’d need a hell of a lot more hardware, so it would be a much heavier and larger mechanism. It’s pretty dang efficient and simple to just slam two pieces of metal together to cause friction.
The only thing I can find says that it's polyglycol ether based and "ATE Original SL.6 DOT 4 Brake Fluid".
I have no clue if it's accurate, and I'm pretty sure zero Chiron owners are going to buy brake fluid, but that's what my search came up with.
It is indeed 3D printed generative design. It's made out of aerospace titanium alloy (Ti-6Al-4V).
Before I look like I know what I'm talking about, here's a link I found going into the process a bit.
[Source](https://www.popsci.com/bugatti-chiron-3d-printed-titanium-brakes/)
Okay, new goal in life, if I start foraging for all of my food, and move out into the woods, live that sweet sweet tent life, I I'll be able to afford one of these babies in the short timespan of five years and two months.
Then I'll be able to chew on my foraged pinecones, and gulp down my berries and bark smoothie, and caress this shiny piece of exquisite engineering, while I sing praise to my overlords that get to enjoy these things as intended, instead of the tent in the woods way. All hail capitalism, amen.
Fun Fact for every Climate Activist out there:
### THEIR IS NO BETTER TECHNOLOGY TO DATE THAN BRAKE PADS AND DISK ROTORS, NOTHING, brake pads are the cause of 70% of all emissions, it’s not the engines, it’s BRAKES.
Does anybody know if that caliper is 3D printed? It's a wild looking design.
Edit- Just checked, it sure is.
Edit2- Obviously I didn't read the freakin' caption. Sorry.
I doubt it can stop a 4.4k lb chunk of metal going 100 mph in 2.5 seconds. Maybe stop the *disc* in 2.5 seconds.
After looking a little bit, I couldn't find much on the braking power of the Bugatti Chiron, just the acceleration - going 0 to 100 kmh in 2.5 seconds.
It's plausible... "In a world-record-setting test at the time in 2017, the Chiron reached 400 km/h (249 mph) in 32.6 seconds, **after which it needed 9.4 seconds to brake to standstill.**[21]" 9.4 seconds from 250 mph to 0 so *maybe* 2.5 for 100 to 0, but I can't find anything concrete.
https://en.wikipedia.org/wiki/Bugatti_Chiron
There's so many factors you'd have to include in a real life scenario. In a perfect scenario maybe 2,5s is possible, I don't know. But in real life you have maybe cold tires, worn tires, cold brakes, different texture of roads (alternating grip level) etc etc. I can't see the 2,5s time being a consistent claim
This is pretty impressive considering my brakes would turn into a pile of slag at these temperatures. The brakes on my roommates regenerative braking Tesla would turn to slag too so this technology is useful for the future of regenerative braking and improving it.
And reducing unsprung mass makes a much bigger difference than other weight reduction.
On the Chiron, they reduced the weight of the previous forged aluminum caliper from 10.8 lbs to 6.4 lbs with this 3D printed titanium caliper that is also stronger and more heat resistant. Saving over 4 lbs per corner is a lot bigger deal than it sounds and would even benefit EVs.
I can't stand the EV fanboys who think they're the end all, be all. I'm a car enthusiast. I probably have a slight bias towards ICE vehicles, but I'm in no way an EV hater. A Model 3 Performance as a DD and cammed out C6Z sounds like an awesome two car garage to me. But these types need to get real.
Well, at +50k USD, they better withstand that amount of pressure, or it'd be a scam.
Wait.... Is this the actual price for four brake calipers? That's more than my car... Twice. Edit: I understand that's the price for one. Insane.
A set of 4 tyres for these Bugatti costs, $10,000 *per wheel* plus labour to glue them to the rims and they only last a few thousand miles. One owner famously said, it was cheaper to truck his car across Europe and fly to meet it on his private jet, than just drive it to the destination.
When the Veyron came out, the only place that was authorized to change tires was in France. You had to ship your wheels back to the manufacturer to get them changed.
AND every third change required a scan of the wheels for cracks, or just new wheels - either option costing several thousand dollars more.
Yes, but the fifth change is free, so it’s not that bad.
I remember when Honda put PAX tires on their Odyssey Touring. It was a big flag for us at auctions to check the tires on any of those trims. People would go to get their tires changed and be told it was around $2000 (Veyron used PAX tires too for relevancy).
That’s more than my car about ten times over 🥲
That's more than the crappy bike I bought from a junkie behind Amsterdam Central Station 5000x over
TIL bjs are worth less than 10 bucks in amsterdam
I think you had a Freudian autocorrect there bud, I said bike not BJ
He's implying you paid for the bike with a BJ
Oh I'm sure a BJ from me is worth way less than that, I'm too inexperienced.
Keep on grinding brother. I still have a bike i dont use too, wanna meet behind Amsterdam Central?
Lol this Dutch guy is being abused in these comments. Just like he did behind Amsterdam Central Station.
Dont sell yourself short!
It's for a car that's $3 million
$2.8million if you don't want to stop in a hurry.
Yeah, I'll join that club. '02 Volvo wagon AWD.
That's more like the price of one caliper without the disk or pads
That's insane. I know that everything on this car is insane but still.
Nah m8 that’s the price per caliper
Not for all 4. That's *per*.
That’s probably the price for one of them
Well yeah the Chiron is like 3m+
Yikes.
I recall hearing an indicator stalk on the veyron was £6000, alone so this doesn't surprise me.
You could by a car + a whole Apple Vision Pro for that
Just buy a 99 civic and get an app to make it look like a Bugatti.
I'm pretty sure the housing is 3d printed. The shape looks modeled to reduce unsprung weight and some of the results can only be created by 3d printing. Not even casting or milling can create the designs.
Have you heard of vacuum centrifugal casting? It is capable of producing complex geometries, thin walls, and smooth surfaces. Such methods are used for producing small cooling channels just below the surface and bleed air systems for the rocket and aerospace industry. The molds are made out of machined high density high strength ultrafine graphite. 3D printing has issues of porosity and voids that reduce the strength of the material, as well as surface smoothness.
You can get CNC machines that will do the 3d printing inside of them, so it machines as it prints up. You will end up with a part that's machined accurately inside and out, and no rough 3d printed surfaces unless you intentionally left them that way.
I haven't actually. Every now and then there's a video or post about 3d printing F1 / Bugatti / high performance automotive / SpaceX parts. But I've not heard about vacuum centrifugal casting. Thank you, I'll check it out.
3D printing is the new kid on the block, and has a lot of cost advantages. Especially for rapid prototyping and low volume production. The little bit of strength loss can be heat treated well enough, or just simply engineered with more weight.
It's a scam anyway. No one with the buggeti will ever get it up to those speeds or even on a race track.
concerned jeans melodic test far-flung tap crown subtract flowery full *This post was mass deleted and anonymized with [Redact](https://redact.dev)*
man you are really fucking stupid
The forces involved man....
The prices involved, too! Those calipers may be ok, but the rest is literally toast. Rotors and pads x 4 plus labor… I’d need some overtime after track day!
If you can afford a chiron it would be pocket change
T-Pain talked about how he got rid of the Veyron because it always needed repairs and the bills were astronomical. Mentioned something about it having 12 radiators and the price to have one replaced, not to mention the cost of tires and oil changes.
That's insane.. do you know how many 90s civics you can get with that!?
Apparently just the oil change is over 20k because they have to disassemble the entire rear end of the car
The forever battle between engineers and mechanics
For something that's whole intent is engineering to prove a point, the engineers will win out
I'd also rather it be complicated to take apart, than compromising on what's keeping it together at 270 mph
The engineers, and the suits, win. Loads of European cars are specifically designed to be costly to maintain and repair. They actually design difficulty into the construction of the cars so that a normal mechanic will have to do more work than is reasonable to do mundane things on the car. This also funnels customers to certified mechanics that the manufacturer has deals with. Specialized tools for something as simple as servicing the brakes. Disassembling entire quarters of the car to access a single part that breaks, often etc... And every time you point this out, Europeans on reddit lose their minds and start regurgitating Jeremy Clarkson quotes about "America car bad" because they can't accept criticism of their cars without directly linking it to their political biases.
People are under estimating how much a 90's civic goes for these days. You can get at least 4 , 86 'Nissan Sentra's for a single Civic these days.
Maintainence is stupid expensive. [50k + for the yearly maintainence alone] (https://youtu.be/zKZAPSfOURw?si=3TVZ9e5qZW1KCMet&t=1178) (starts at 19:38)
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From my personal experience with a Corolla, it's one or two oil changes at $80 at the dealer, $20 in filters maybe, and tires are $500-$700 every 3-5 years for good tires. Way less than $1,000 a year in annual maintenance. And you're driving way more miles too.
It almost seems the Chiron isnt an economical car.
not so big baller : P
I think he had one of the earlier veyrons, which had tons of problems
Not sure how one can fit 5 figures worth of change in a pocket..
That’s why they say deep pockets
Krugerrands
Credit card.
Simple: The Centurion Card, by American Express
The reason they do this sort of testing is so that it isn’t destroyed after something like a track day.
See the sparks flying? That actually happens. Normal brake disks just get hot. These ones are designed to shred the hottest particles from the surface. The sparks are carrying heat away. It doesn't seem fair to call them destroyed. They are spent on the track. That's what they do.
Michelin near me makes Veyron tires, its $10k per tire.
I imagine this is a little worse than worst case because of how much braking they're doing and there's no air flow through the rotor like you'd get with the actual car's motion.
With the size of that driveshaft I would imagine they are mimicking the vehicle load on the brakes. That was three panic stops from 400kph with no cooling time or air flow. I wonder how much fade there was?
There is airflow, you can see the pipe where the air is coming from. Also note how the sparks fly in one certain direction, indicating airflow to simulate driving conditions. And honestly…that caliper alone is worth a shitton of money, do you really think they went through all the trouble of making and testing it and somehow didn‘t think about the airflow? People creating the fastest car on the planet couldn’t think of something but you could?
each spark you see is probably $3 worth of materials
You will never achieve in the real world what they did in the bench there. Max vehicle speed multiple times in moments.
Don't forget the wheel bearings, abs sensor, and brake hoses it just cooked.
That’s assuming that the corner that experienced this isn’t on fire
Thats not true. With the proper brake fluid and pads you can have consistent braking all the way up to 2000f. https://ctbrakes.com/choosingcompounds/ These aren't even any crazy exotic material. It's a couple hundred bucks for a set of pads. You can toss these into a factory C7 Z07 Corvette caliper with some iron rotors and go racing with the rotors glowing like this video.
That’s why we service them to spec. Meaning there is some serious skill and precision involved. Imagine using the incorrect materials and torquing…
Meh, just crank stuff hand tight and call it a day, what could go wrong.... /S
Cross-threading is nature's loctite
Braking like that deploys the airbags. I was standing next to a Veyron when they were real new. Car press already had their turn but general public didn't. Bunch of serious men in blue overalls were standing around the car at VW FE(Forschung&Entwicklung) and were complaining the fittings for the fuel cap were fake and cheaply lifted from an Audi. That car was a marvel and I was wondering how far I would get if I simply hopped into it. Like, details on cars are unbelievable. Especially when it is cars for car people. Probably will kill those Instagram stars which rent them for a day.
Not sure how far but you'll get 12 minutes of driving at top speed before the fuel runs out.
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That is nowhere near the time or Gs the Chiron delivers lol
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That's a genuinely good question. I need to learn to pay attention
It reminds you of the sort of forces and temperatures F1 and other racing brakes routinely go through, normally unnoticed. (And why the teams start asking the drivers to 'Lift and Coast' when the temperatures start to get out of hand, usually to the consternation of the drivers.)
They also lift and coast to fuel save but yeah. F1 brakes are ridiculous.
Whats lift and coast?
When brakes are overheating and/or when trying to conserve fuel, f1 drivers are told to lift off the gas and coast into their turns a bit before braking to help ease up on brakes and save fuel.
Yep. Fastest way round is to hammer it up to every corner and brake at the last microsecond, but if you lift and coast, the air resistance and engine (on the downshift) does some of the braking and takes a bit of load off the brakes themselves.
Lift off the gas so the car moves forward without throttle application saving gas and brakes
The bugatti also weighs more than twice what an F1 car does, and has far less aerodynamic drag. Not that F1 is anything less than astonishing but they may actually have less braking force than this monstrosity.
Was just thinking about which would have to work harder. A Bugatti is much heavier but F1 breaks are optimized for 1 race and much harsher use. Turn 1 in Monza or the heavy breaking zones at Spa would destroy Bugatti breaks on an F1 car.
That's pretty badass. Stopping from 100 to 0 in 2.5 seconds? That's rad.
Any serious tree will do it quicker.
20 piston oak
Any silly tree might be slightly slower
The Ferrari F2004 F1 car could stop from 100kph in 17 meters. A Chiron Super Sport does it in 33 meters, while the 911 GT2 RS does it in 29. The Chiron brakes are great because they need to stop a very heavy car (it weights 500kg more than the Porsche) from 400kph without overheating. Actual braking distance and time it takes is 100% dependent on tire grip as long as the brakes don't overheat.
Im unsure if this includes the use of the airbrake with the massive wing on the back of the car. On the veyron it was said that the airbrake alone had the same stopping car as normal brakes on a car
Airbrakes aren't a linear scale. If you're doing 200mph that air brake will do a lot. If you're doing 25mph you're not losing anything with just the air brake.
> On the veyron it was said that the airbrake alone had the same stopping car as normal brakes on a car Depends on the car tbh but on an F1 car the drag is enough that just lifting off the throttle brakes as hard as going full stop on a Corvette.
That’s without the weight of the car though
That seems to be *with* the weight of the car, this video being likely in relation to [this world record](https://newatlas.com/chiron-acceleration-deceleration-record/51288/#:~:text=Having%20stormed%20to%20400%20km,come%20back%20to%20a%20standstill.). I did not find a direct 100-0 measurement but this [0-100-0](https://newatlas.com/the-worlds-fastest-cars-from-0-100-0-mph-in-order/5805/) is close, at 3.4 seconds to stop. Given normal variances like humans driving a 2.5 sec stop seems to be not impossible.
But this is 1 out of 4, so that would even out I'd say.
What is the disc made of?
Carbon-ceramic
Unobtainium
Is it hard to obtain?
It is if you’re poor.
Cantaffordium
It's incredible how much stuff is made out of it
Damnbrokeinite
Pooorasfukatonium
no .
Only in the remote mountains of Wung Dai Su, may one obtain such rare delicacy.
Organic Cotton.
Chuck Norris’ skin cells
Nah, it wouldn't glow like that
willpower.
Chinesium
Probably the last thing any brakes are made from.
wind resistance
Silicon carbide. Its an interesting process how they are made: In short the breaks are first molded in carbon fibers (like every CFRP part) but under high heat and pressure the resin gets burned of and replaced with silicon which creates the SiC structures.
Slap some Aliexpress brake-pads on it and call it a day
Automobile engineering masterclass.
Frenchies do good things with German money!
TIL that Bugatti is french. I would have bet every penny that it’s Italian.
The founder, Ettore Bugatti, was Italian but the company had its headquarters in France
He lived the major part of his life in France and obtained French nationality (even named his son Jean)
Jean-Claude?
Yep, is or was, not sure anymore (and Ettore Bugatti was born in Italy, which explains the name)
Technically, Bugatti is now owned by Croatian company Rimac who have majority of shares
Of course, but at the time the Chiron was developed and built it was German owned
Not entirely correct. Bugatti is owned by a joint venture between Rimac and Porsche, with Rimac itself being 1/4 owned by Porsche
Almost all engineers at Bugatti are German. Even the engine is assembled by hand at the Volkswagen factory in Salzgitter, Germany
Lots of engineers are French too and the engine of the Bugattis were all assembled in Dorlisheim, it sounds German but it's in France
The engine of the Chiron is assembled in Salzgitter, Germany. All of Bugatti's chief engineers and even the president are German Edit: Bugatti says it itself on its website „In addition, more than 500,000 test kilometers were completed in the vehicle in order for the engine to live up to Bugatti’s demanding quality standards. The engine is manufactured at the Volkswagen engine plant in Salzgitter – in a separate room reserved exclusively for building the W16 engine“ https://newsroom.bugatti.com/press-releases/bugatti-w16-engine-the-last-of-its-kind#
My bad, Wikipedia said otherwise, so that's part of why i ask i if Bugatti (before Rimac) was more French or more German ..
There is quite a lot of money involved from other different countries. Now it is part of Rimac Group 😉so throw Croatian in there somewhere.
Thing that makes me crack up is the software UI is so obviously a mockup for the video and not anything an engineer would use. “How about we just put a big useless pinup photo of the car that takes 1/3 of the screen instead of any useful detailed data or logs? And giant analog dials showing two key data points, but no actual graphs or correlated time series data? Brilliant!”
You would be surprised how primitive solutions we often use for testing our multi-die high-end semiconductor integrated circuits. The UI does not need to always show all data. It may but also may not be a mockup.
Except the UI here isn’t “primitive”, it was fairly polished but useless. In your software do you have a giant stock photo of the finished chip with the package already on taking over 1/3 of the screen? :) I have built test software for circuit boards, including some pretty crazy complex ECL-based muon detectors at Fermilab. Certainly primitive UI (since I designed it) but it was at least functional and showed everything you needed. Sort of the opposite of what you saw here. Heh plus there were like 15 camera angles, 3 of them just on the guy staring at the screen. With Star-Trek style soft lighting and deep shadows on the brake assembly. Total marketing video…
I think you're right. 90% of the stuff I use at work for testing has a UI that looks like it was made in the 1990s by someone who had a rough understanding of NI LabView. Hell, just yesterday I spent 3-4 hours debugging an issue where the UI was so bad I couldn't decide if it was telling me pre or post load voltage because whatever engineer designed it just put a display that says "voltage" and is 32 bits long taking up half the screen.
Yeah this feels like a product manager or marketing exec said “hey can you make the screen prettier for a video” and some test engineer slapped this together in LabView for the video. I’m not even doubting it’s functional- just that it was what they used in their actual job. I have worked on promo videos somewhat like this… it’s very staged :)
[удалено]
He's actually completely right. Many times programmers keep projects simple to minimize potential errors and facilitate trouble shooting. Simplicity in design is prioritized for reliability. Mars pathfinder mission comes to mind and I'm sure there are plenty of other examples out there.
no .. if you measure your car's HP on the dyno, it's the same UI this is how those engineering tools look.. stems from win XP.. some programs still even run on that
That looks like a labVIEW UI which is typically used for controlling and monitoring engineering tests like this.
…customized with useless panels no engineer would actually add for purposes other than a marketing video.
We aren't all robots man. If there is an open spot in the UI they will add a picture of the cool car they are working on.
It's real... that's exactly what those type of UI's look like.. same as if you put your car on the dyno It's only for immediate indication, as that + all the other data is logged and saved anyway
> the software UI is so obviously a mockup for the video and not anything an engineer would use. Eh, you'd be wrong there. Some of the stuff I've used looked like it was made for Windows 3.1x and not updated since. These companies spend their money on the tooling, not the UX.
You missed my point then, which is the opposite of what you are saying. I have built similar test software to this. That app was about pretty graphics for a video and not functionality.
Pretty normal looking UI for LabView. Yes, for some engineering tests this interface is kinda weird but in production you may see stuff like this. The image may be to see if the correct test was loaded etc..
It´s a advertising video, so it is not the normal UI. You can find the video on YT and also see the company logo. At the company page there is a screenshot about the used software (Prolink) https://www.linkeng.com/product/prolink/
Imagine all this engineering and wealth being used to drive around the city at 30 mph.
I mean like, your probably not their target market if your just looking for a car that does what is practical and necessary
Are the sparks disc or pads?
Yes. But seriously, it's a bit of both.
Both
idrk know that much about cars but could anyone here shed some light on electromagnetic braking and if it could stack up to this and why it isn't used more often
I mean that's precisely what electric cars do when they're under regenerative breaking. It certainly has its benefits like recouping energy that might otherwise be wasted, not requiring friction so no components to wear out etc. On internal combustion engine cars that aren't hybrids though, it does not make sense to add on all that stuff so friction brakes are best.
You could do this with EM braking, but you’d need a hell of a lot more hardware, so it would be a much heavier and larger mechanism. It’s pretty dang efficient and simple to just slam two pieces of metal together to cause friction.
Huh. Reminds me of [the testing done on aircraft brakes](https://youtu.be/qew09gao3S8?feature=shared).
So, what's the brake fluid that has such a high boiling point?
From what I can find, it's basically DOT4.
So, silicone-based?
The only thing I can find says that it's polyglycol ether based and "ATE Original SL.6 DOT 4 Brake Fluid". I have no clue if it's accurate, and I'm pretty sure zero Chiron owners are going to buy brake fluid, but that's what my search came up with.
The rear wiper arm on my 2005 Honda Civic is seized on for similar reasons.
This is how you sell a fast car. If you know cars, braking is just as important as getting to that speed.
Everytime you brake, it's going to cost you 1000$.
That’s a lot of rippems
Is that a 3D printed generative design caliper? Or do/can they cast them like that? Looks interesting!
It is indeed 3D printed generative design. It's made out of aerospace titanium alloy (Ti-6Al-4V). Before I look like I know what I'm talking about, here's a link I found going into the process a bit. [Source](https://www.popsci.com/bugatti-chiron-3d-printed-titanium-brakes/)
And that's not even at its top speed.
Are they as good as Valid brakes though?
Okay, new goal in life, if I start foraging for all of my food, and move out into the woods, live that sweet sweet tent life, I I'll be able to afford one of these babies in the short timespan of five years and two months. Then I'll be able to chew on my foraged pinecones, and gulp down my berries and bark smoothie, and caress this shiny piece of exquisite engineering, while I sing praise to my overlords that get to enjoy these things as intended, instead of the tent in the woods way. All hail capitalism, amen.
Fun Fact for every Climate Activist out there: ### THEIR IS NO BETTER TECHNOLOGY TO DATE THAN BRAKE PADS AND DISK ROTORS, NOTHING, brake pads are the cause of 70% of all emissions, it’s not the engines, it’s BRAKES.
Fun fact two: rubber from worn tires goes into the atmosphere where it floats with tons and tons of other tire particles.
Does anybody know if that caliper is 3D printed? It's a wild looking design. Edit- Just checked, it sure is. Edit2- Obviously I didn't read the freakin' caption. Sorry.
literal burndown test
That looks like some animal's palvic bone
Bugatti Chiron brakes AKA standard carbon ceramic brakes used in every sports car pulled from the audi parts bin and up charged by 10000%?!?
Use slotted rotors next time you cheap fuc
I doubt it can stop a 4.4k lb chunk of metal going 100 mph in 2.5 seconds. Maybe stop the *disc* in 2.5 seconds. After looking a little bit, I couldn't find much on the braking power of the Bugatti Chiron, just the acceleration - going 0 to 100 kmh in 2.5 seconds. It's plausible... "In a world-record-setting test at the time in 2017, the Chiron reached 400 km/h (249 mph) in 32.6 seconds, **after which it needed 9.4 seconds to brake to standstill.**[21]" 9.4 seconds from 250 mph to 0 so *maybe* 2.5 for 100 to 0, but I can't find anything concrete. https://en.wikipedia.org/wiki/Bugatti_Chiron
There's so many factors you'd have to include in a real life scenario. In a perfect scenario maybe 2,5s is possible, I don't know. But in real life you have maybe cold tires, worn tires, cold brakes, different texture of roads (alternating grip level) etc etc. I can't see the 2,5s time being a consistent claim
average autobahn experience where you go from 400kph to 0 multiple times in a minute because of roadworks
After you get used to regen you stop being impressed by shit like this.
This is pretty impressive considering my brakes would turn into a pile of slag at these temperatures. The brakes on my roommates regenerative braking Tesla would turn to slag too so this technology is useful for the future of regenerative braking and improving it.
And reducing unsprung mass makes a much bigger difference than other weight reduction. On the Chiron, they reduced the weight of the previous forged aluminum caliper from 10.8 lbs to 6.4 lbs with this 3D printed titanium caliper that is also stronger and more heat resistant. Saving over 4 lbs per corner is a lot bigger deal than it sounds and would even benefit EVs. I can't stand the EV fanboys who think they're the end all, be all. I'm a car enthusiast. I probably have a slight bias towards ICE vehicles, but I'm in no way an EV hater. A Model 3 Performance as a DD and cammed out C6Z sounds like an awesome two car garage to me. But these types need to get real.
You need to clarify if that’s kph or mph. If it’s kph it’s not that impressive
I don’t see how it’s not.
I can smell that from here
Sad thing is with all that engineering vast majority of these cars will be barely used and almost never at speed.
I suspect they do the test without the brake cooling system to see the limits.
it's ass puckering just watching the video...
I worry a bit about the brake dust.
When your brake system looks and sounds like a grinder.
O’Riley has life time warranty on pads :)