The Chance of All Three Zunjie V800 Brake Pedals Breaking Is Lower Than Winning the Lottery Jackpot! At 38 Meters It Should Have Stopped but Was Still Doing 85 km/h, a 53 kg Woman in 1970 Stepped Out 1512 Newtons, the Weld Seam Is Right at the Point of Maximum Stress, BYD Recalled Its Cars Just for a Brake Light Staying On, but When Huawei's Brakes Fail They Only Call It an Upgrade!
This video delves into the incident where Dongchedi, during its testing of the Maextro V800—a vehicle jointly developed by Huawei and JAC Motors—discovered that the brake pedal brackets on all three test cars had completely snapped. By analyzing crash physics, historical data, national and industry standards, and contrasting the situation with BYD's recall incidents, the host critiques Huawei's product quality defects and PR rhetoric. The host points out serious issues in the bracket design and material weld lines, while reflecting on the public backlash and market shocks triggered by the incident.
Video link:
Full transcript:
Right on the first day back to work after the October 1st National Day holiday, Dongchedi released a video: three Maextro V800 vehicles—the car priced between 700,000 and around 1 million yuan co-developed by Huawei's HIMA and JAC Motors—in the most basic 100-to-0 km/h braking test, had the brake pedal brackets completely snapped on all three cars, with not a single one spared. That morning, JAC Motors' stock immediately plunged by the daily limit. Dongchedi was fucking awesome this time; they didn't offer any commentary, but instead directly published all the original raw test footage, basically saying: just see for yourselves what kind of fucking garbage this is. It's already fucked up like this, yet a massive bunch of brainless Huawei fanboys are still here whitewashing it. What the hell is there left to whitewash? Of course, I understand the mindset of these people. After all, they spent 700,000 to 800,000, or even close to 1 million yuan, only to end up buying such a piece of shit. Having been scammed so hard, admitting that you're a fucking idiot is psychologically very difficult to accept. At least by coming out to whitewash it, they can still blow hot air claiming the blame lies with the US, right? The psychological mechanism is very simple—the way they console themselves is saying you guys just can't stand seeing others succeed, which is why you come out to smear Huawei. Ah, I can understand all of that. But what I can understand is care for intellectual deficits and psychological disabilities, not that buying this trash car itself isn't being a fucking idiot; consider this a kind of humanitarian care. At this moment, we can just laugh and watch these fucking idiots whitewash it, and that's that. After all, having spent nearly a million yuan to be such a sucker, we still ought to extend a little sympathy. Huawei was also hilarious this time—if you need to go to prison, go to prison; wait, no, if you need to recall, just issue a recall. Calling it a fucking 'free upgrade' is virtually identical to the CCP's rhetoric of 'steady progress and positive momentum.'
Let's put it this way: at the time, Dongchedi was never testing whether this damn brake pedal was sturdy or not. What Dongchedi wanted to test was the braking distance from 100 km/h all the way down to a complete stop. This is the most basic, fundamental stomp in automotive field tests—it's not testing algorithms, nor is it testing LiDAR; it's simply testing within how short a distance the vehicle can come to a halt. Dongchedi said that from 2019 to now, they have tested over 2,000 cars, applying full force at least six times on each, and recording the best result among them. Across those 2,000-plus cars, not a single pedal had ever snapped. And then along it came: the V800 strutted in with its cheap scrap metal and fucking plastic. On the first car, the brake pedal snapped completely on the third press; they switched to a second car, and it snapped again on the fourth press. Dongchedi, whether out of sheer stubbornness or rigorous standards, simply refused to believe the fluke and specifically bought another brand-new car, only for it to snap again on the second press. Although the three cars weren't from the same batch, their performance was remarkably consistent: every single one snapped at the exact same spot, and the fractures looked practically identical. Put bluntly, what does this amount to? It's like an examiner assigning single-digit addition, only for the examinee not even knowing how to write their own name. Isn't that the exact situation? And what happens after it snaps? The foot brake is completely gone; you are left relying entirely on the P-gear emergency brake. Under normal conditions, braking this car from 100 km/h to a standstill takes about 38 meters. But once that bracket snaps, it stretches to 140 meters. We can do some mental math by treating both braking methods as uniform deceleration. Under normal braking, it should stop right around the 38-meter mark. Yet when the bracket snaps, by the time this V800 reaches that 38-meter point, its speed is still roughly 85 km/h, and it retains at least 70% of its momentum. The vehicle itself weighs over three tons. Even the V800's own user manual explicitly states that the P-gear emergency brake is only meant for deceleration, cannot completely replace standard braking, and carries a risk of loss of control.
Well, right on cue, the defenders of the "far ahead" clan came onto the stage. Their first big trick was called "4,589 Newtons," claiming Dongchedi's tester stamped down with 4,589 Newtons—nearly 470 kilograms of force—calling it a "superman leg" and labeling it "violent testing." But by evening, Dongchedi came out to explain it themselves: that number was due to a mismatch between the refresh rates of the high-speed camera and the LCD force-gauge screen, capturing merely a motion ghost of fluttering digits. The true peak of the stamp that snapped the pedal on the third car was only 1,612 Newtons. Furthermore, netizens analyzed it frame by frame across four consecutive frames: first 1,589 N, then two frames showing 4,589, and then falling to 452. The maximum value indicated on the display was indeed 1,612 N. Huawei's trick was instantly silenced. But these defenders still had cards up their sleeves, alleging the tester stood up to kick it, claiming he kicked it with his heel, and asserting that being able to buy three brand-new cars in a row during the Golden Week holiday was a top-tier conspiracy. In the afternoon, people started talking again—claiming what? Claiming this part might have been soaked in liquid nitrogen. Financial media accounts even dug up Dongchedi's old platform history of being named and shamed by the Cyberspace Administration of China. What is this tactic? It's simply: regardless of whether the facts you posted are set in stone, they brainlessly attack your character first. Ah, that's the CCP's classic playbook—slapping labels on people. Using the logic of attacking someone's character, they generalize it into Dongchedi having malicious intent, thereby deducing the conclusion that they are untrustworthy. But to me, that only proves you are spinning a narrative instead of explaining the incident. No matter how flawed a person might be, it doesn't change whether the video is genuine, right? In the beginning, Huawei still tried to deny it. In the morning, they said no human could stamp with that much force; in the afternoon, they said the part had been soaked in liquid nitrogen. Their fucking mouths are truly made of titanium! Pity the pedal bracket was made of plastic.
So let's be thorough about this: just how hard can a human push? Let's take a look! In October 1970, the U.S. National Bureau of Standards conducted a test. They recruited 105 female staff members—secretaries, typists, and cafeteria workers—had them sit inside two stationary cars, and told them to stamp on the brake with full force for five seconds each time. The median continuous pedal force was about 780 to 850 Newtons; the top 5% ranged from 1,150 to 1,220 Newtons, and the single highest record was 1,512 Newtons. The person who stamped that hard was a 42-year-old woman weighing only 53 kilograms. Look at that: 1,612 Newtons is barely 100 Newtons more than what a 53-kilogram woman pressed inside a stationary car back in 1970. And you call this a fucking superman leg! In a 2021 study published in the journal *Sensors* on emergency braking in real vehicles, the maximum pedal force at 80 km/h reached 1,204 Newtons. The faster the vehicle moves, the more panicked the driver becomes, and the harder they stamp. The design standard for brake robots used in professional testing is 1,600 Newtons. So is 1,612 Newtons superhuman? Not at all; that is entirely a normal human reaction during emergency braking at 100 km/h.
What about the national standard? This is what Huawei's apologists love to bring up the most, claiming that the national standard is only 500 Newtons, while you stepped with 1,612 Newtons, exceeding the standard threefold. Now, here comes the funny part: this 500 Newtons isn't about how sturdy the pedal should be at all; it's quite the opposite. What does it actually require? It requires that when you step down to achieve maximum braking effect, the force applied by your foot must not exceed 500 Newtons—it's meant to accommodate drivers with less physical strength. This thing is meant to ensure that the brakes are easy to press. These fucking idiot apologists of Huawei just took it as a pedal strength standard. In the mandatory national standards regarding whether the pedal is truly sturdy, there isn't a single number at all. Instead, what is there? There is a premise, and a premise that requires no debate. What is China's automotive braking standard? It completely adopts a clause from the United Nations vehicle braking regulations. It spells it out very clearly: components such as the pedal and its bracket, as long as their dimensions are sufficient, are easy to maintain, and their safety is no lower than that of a steering tie rod, are not regarded as parts that can break. If this kind of part breaks, the car can't even meet the emergency braking requirements, so metal or materials of equivalent performance must be used. This clause is so fucking critical. Look, the redundancy of the entire brake regulations—whether you talk about dual circuits or emergency braking—is all built on one single assumption: that the pedal and its bracket will not break. The regulations don't require this component to have a backup either, because it is required to be sturdy enough. Once the bracket of this shitty Huawei car snapped, the brakes were completely gone, leaving only the handbrake. As a result, it fell right into the scenario that the regulations assumed would never happen. So Huawei, all you fucking know how to do is brag. What kind of bullshit national standard did you meet? Perhaps Huawei's understanding of China is: whatever I say equals what the Chinese Communist Party (CCP) is saying, which equals what China is saying. Ah, and that becomes the national standard.
Is there any standard that gives a specific number? Actually, there is, but it's within the industry—a recommended automotive industry standard called QC/T 788-2018. What does it require? After the strength test, deformation cannot exceed 5 millimeters, and cracks are not allowed. How many Newtons of load specifically? Online there are two claims: 1,500 Newtons and 2,000 Newtons, but honestly I couldn't find either of these numbers in the original text. However, I'll calculate both scenarios for you. Let's calculate based on 1,500 Newtons first: 1,612 Newtons is only 7.5% higher; it shattered right after barely passing. If calculated based on 2,000 Newtons, it falls short by about 19.4%, which is an outright fail. Oh, by the way, what else does this standard specify? It states that the number of samples for each test piece must not be fewer than two. Dongchedi happened to test three vehicles, and then Huawei's shameless audacity kicked in again. How did they explain it themselves? They fucking claimed their braking system exceeds both the national standard and the industry standard. I just want to ask one question: I don't give a damn about any national standard, but the most fundamental thing about a national standard is that a single stomp shouldn't fucking trigger a "War Stomp" effect where you press down once and the brakes are completely gone. The result is crystal clear: test three cars, snap on all three. So let me ask you, where the fuck does it "exceed"? Let me give you another reference point: this is the rule for Formula Student, an international collegiate competition. What does it require? It requires the brake pedal and related components to withstand at least 2,000 Newtons. If even a college student competition can withstand 2,000 Newtons, but a million-yuan car snaps at 1,612, what gives? Are college students also "far ahead"?
So why did it break? Dongchedi later released another teardown video, providing three key points. The distance from the center of the V800 pedal to the pivot of the bracket is about 130 millimeters, which is the longest among the compared vehicles. The pivot area is supported by only one vertical plate. For the brackets made for Wenjie and Zhijie by the same supplier using the same material, that position has two to three layers. There is also a weld line at the most stressed point near the fracture. We can calculate the torque: 1612 Newtons multiplied by 0.13 meters, which is about 210 Newton-meters. With the same kick, the longer the lever arm, the greater the force exerted on the bracket, and the fewer the vertical plates, the smaller the cross-section to withstand that force. These two forces are compounding in the same direction; this is fucking design flaw, no need to fucking argue about it anymore. So what is a weld line? Well, plastic parts are generally injection-molded. The process involves injecting molten plastic into the mold from several ports and letting the two streams meet at a certain point, where they fuse together. The line where they meet is called a weld line. For parts like pedals, the industry commonly uses nylon reinforced with glass fiber. Glass fiber is inherently super strong, but at the weld line, the fibers lie flat along the line and cannot cross it, so the strength at this line drops significantly. In 1976, there was a classic set of experimental data showing that after adding 30% glass fiber to nylon, only 60% of the strength remained at the weld line. After adding 40% glass fiber, the weld line retained only a little over 50% of the strength. The break point is basically on this cross-section. So we can deduce this: assuming this bracket was made with glass-fiber-reinforced nylon, and it broke exactly at this weld node. If the weld line consumed about 40% of the strength, without this seam, it could probably withstand 2,600 to 3,100 Newtons. What level is this? There is a large German supplier called Boge that specializes in composite material brake pedals. According to their specifications, the maximum load to be withstood is 3,000 Newtons. In other words, this bracket might not have been unqualified on the blueprint, but what happened? The mold port was positioned such that this seam was placed exactly at the most stressed point, resulting in the strength being cut in half. The lever arm is the longest, the vertical plates are the fewest, and the seam is placed at the most stressed point—it would be a miracle if it didn't break with all three factors combined. These are the most basic middle school physics, and they still have the nerve to claim they are 'leading the way'? Go back and retake your nine-year compulsory education.
Surprisingly, after the material was disclosed, some people were still whitewashing it, saying it was metal fatigue. Brother, this thing isn't even metal. And I have to say a fair word for this plastic: many cars use industrial plastic, and plastic is not the original sin; the design is. Having said so much, let's do a probability calculation. Dongchedi has tested over 2,000 cars in total, six kicks per car, which is over 12,000 kicks, and there were zero fractures. There is a ready-made algorithm in statistics: if something has been tested over 2,000 times and hasn't happened once, the probability of it happening each time is at most 1.5 per thousand. If the V800 bracket were as sturdy as an average car, the probability of all three breaking would be 1.5 per thousand cubed. What kind of magnitude is this? It's about 3.4 in a billion. That's not intuitive enough, so I'll use a lottery unit to make it clear. The winning probability of the jackpot for the CCP's most scammy 'Double Color Ball' lottery is 1 in 17.72 million, and this V800's condition is more than ten times harder to hit than winning that jackpot. Let me tell you something else fun: there is a top-tier standard in quality management called Six Sigma. Simply put, it only allows 3.4 defects in one million. If calculated by the industry upper limit, the probability of all three breaking is also 3.4 in a billion; the numbers are the same, but the unit changed from a million to a billion. Looking at the V800 itself, three out of three tested broke. Even if we use the most lenient statistical criteria, the fracture rate is no less than 29%. It's more than 80,000 times away from Six Sigma. What's going on? Has Huawei already 'led the way' to the point of taming probability?
So what kind of junk did this million actually buy? What is listed on the spec sheet of the V800? A 41.6-inch giant projection screen, semi-aniline genuine leather, twenty-point massage, and heating, ventilation, and massage for the third row. Translated into plain language, that is just a fridge, color TV, and big sofa. Ah, a single sentence sums it up: a piss pot inlaid with gold. Look at the materials: they are generous with ceramic armrests and even use enamel for the car badge. They mess with you in places you cannot see—places that can cost you your life. This is cut from the same cloth as the Chinese Communist Party's love for building grand buildings and bridges that collapse right after completion. Even funnier is that shameless thing called Huawei, which actually used the word "redundancy." The promotional pitch for Zunjie claims an eight-system full-link redundancy, meaning that if any part of this chain breaks, there is a backup. But the foot pedal, ironically, is precisely the link that regulations deem not in need of a backup, because it is already assumed to be sturdy enough. As a result, the one place in the whole car that should least be skimped on is fucking the most fragile part of the whole car, which fits seamlessly with the social structure of the PRC and the rhetoric of the CCP. Alright, let's get back to the topic and talk about public relations. Given Huawei's usual playbook, shouldn't an incident like this be met with a whole suite of legal letters and takedown complaints? So why didn't that happen this time? Well, because tuition wasn't just paid a little over two months ago, and it triggered a series of subsequent spreading effects, followed immediately by the public restroom sign incident, and not long after that, rumors about Ren Zhengfei fleeing flying all over the world. But this time, even though the plastic pedal snapped, their mouths are still made of titanium alloy. What did they say? They said they would offer a free upgrade to car owners. Can replacing a broken brake pedal really be called an upgrade? Doesn't that mean "far ahead" means upgrading whatever you test? Everything gets upgraded and then it's far ahead, right? There is nothing wrong with this logic, is there?
And this time, this fucking Huawei is indeed facing a hellish public relations dilemma. If you respond, both Huawei and the owner who paid this IQ tax will be mocked. If you take the old path of legal action, the quality control side has already prepared for Huawei in advance. If you pretend not to see it, the public opinion has developed to a point where it can no longer be covered up. Of course, for Huawei, there is another trick: playing dumb while deleting videos. Naturally, for the general public, this will spark a new wave of meme-making, further deconstructing the fucking symbol that is Huawei. So, for Huawei right now, there is no complete way out. Looking back further, in December 2023, Dongchedi conducted a winter test. At that time, they tested the pure electric range of the AITO M7 extended-range version, and the result was still dead last. Actually, that was when the two sides first developed a grudge. Then, the funnier part came. On October 8th, look at how the various brands played it. JAC, the manufacturer of this car, said in the morning that they had already paid attention and were investigating. Netizens complained that the response was useless, just a mild version of playing dead. Even the official car manufacturer is fucking silent, yet the ones charging to the front are that group of self-appointed defenders. Some even shouted: the state must resolutely crack down on media without testing qualifications. The game they are playing is: whoever makes me look bad, I will make them disappear. Hey, that's exactly the logic. Does it look familiar, friends? Even Huawei itself doesn't dare to make a sound and is facing this PR dilemma. Why else would I say the intelligence of these Huawei fans is worrying? By around 9 PM the night before last, the situation statement from Maextro itself came out. The gist was still fucking very stubborn, saying that this braking system is higher than national standards. Since delivery, there have been no issues in actual user usage, and even in non-standard extreme test conditions, it is just an issue of optimized design. Then they said they would provide free upgrades for delivered users. What is this rhetoric still expressing? It is still emphasizing redundancy, not admitting to defects, admitting to an upgrade, not admitting to a recall. Why did they write it this way? Because in the Regulations on the Recall of Defective Automobile Products, there are two types of defect situations: the first is completely failing to meet national or industry standards, and the second is the existence of other unreasonable dangers that endanger personal and property safety. So look at these few sentences from Maextro: higher than national or industry standards blocks the part about not meeting standards, and non-standard extreme conditions plus no issues in user usage blocks the part about unreasonable danger. The choice of free upgrade avoids the filing of a recall. Comparing it with a peer makes it clear. Just last month, in September, because the fiber blocks of the brake pedals in a batch of BYD cars might crack and fall off, causing the brake lights to stay on, they recalled over 180,000 cars just because of this flaw. Brake lights staying on leads to a recall, but the brakes just disappearing is called a fucking upgrade choice. Although both of these things are fucking trash, at least BYD's mouth isn't made of titanium alloy. And the CCP is also strange this time; if this were a foreign brand, the CCP would probably have been screaming about it long ago. But as of the time this program was released, I haven't found any government department of the CCP making any statement. In terms of game theory, this is a deadlocked Nash equilibrium. In plain language, no one can unilaterally change their move to make things better for themselves, and this isn't the first time Huawei's shitty car has had an accident. What was the situation back then? The owner was trapped directly inside the car, and there were several people from the same city in the back. Because the battery caught fire and the doors wouldn't open, all the people inside died, and they even turned around and sued the blogger who reported this. Everyone hasn't forgotten about this either. To sum up, this garbage company Huawei has only four cards in its hand: playing dead, suppression, upgrade, and recall, and every single one is a disaster.
Zunjie has issued an upgraded response, but the netizens' reactions are even funnier—they are all videos of people frantically stomping on their own pedals. This costs nothing, generates traffic, and is entertaining; how great is that! Speaking of which, short-video platforms inside the Great Firewall are truly lively right now. Some car owners are stomping on their own brakes in open lots until their feet slip and their legs cramp up. On Bilibili, someone even edited together clips of Tesla, Volkswagen, and Cadillac owners violently stomping on their pedals. Then, sales staff from other brands are also in their live streams, frantically stomping on their brakes, and some influencers are live-streaming their own stomping sessions—one stomp for a little heart, ten stomps for a pair of glasses—and they are all standing up to do it, with nearly ten thousand people watching. Dongchedi is even more extreme; they opened a dedicated column on their homepage for brake fractures. The funniest part is that V800 owners themselves are being warned by friends to drive carefully, so they go back and repeatedly kick the pedal to see if it will break, then post videos online to prove it. You spend a million on a car and have to film a video to prove the brake won't break—this is just being harsh on Huawei. I doubt this car will have any resale value; even if a car dealer buys it, they will definitely slash the price based on the heel of the pedal. Why isn't Huawei acting cocky this time? I think the lesson learned from the Zhuzhi incident is one thing, but more importantly, physical facts cannot be deleted. Huawei, this fucking idiot company, is best at fighting on battlefields like product launches, trending topics, and complaint channels, but a broken piece of plastic is not under the jurisdiction of that machine. And whenever it comes to a reality check, Huawei's trash products immediately fall apart, which is completely within expectations. Another layer is that everyone has suffered under Huawei for too long. On one side, it's 'far ahead,' 'the best car under ten million,' 'buying Huawei is patriotic,' and all that bundled nonsense; on the other side, what do you have? Even a joke gets reported and taken down, but when their own fucking parts have issues, they ask everyone to be understanding about 'non-standard extreme operating conditions' and claim their design has plenty of redundancy. They have zero tolerance for jokes and mockery of Volkswagen, yet Huawei expects everyone to be tolerant of the defects in this piece of junk car. Once this resentment builds up, it has to find a way out. I've calculated Huawei's accounts for you all before; it's all about rapidly deteriorating inventory and cash flow. Plus, the Chinese EV industry is already in a rat race, and on top of that, car consumption is dropping at a rate of about 20%. In a situation where all major manufacturers are desperate for cash flow and fighting over a shrinking market, Huawei has successfully turned stomping on pedals in front of the camera into a business. Good people, I think BYD owners must be laughing the hardest; after all, they were just recalled in September because of the pedal's fiber block. The difference is that the BYD incident was about the brake light, while this one is about the brake itself.
Finally, looking at this from a higher level, among all of Huawei's products, whether it's cars or mobile phones, their entire model is highly centralized in its narrative, so most of this is just a 'tax on intelligence.' Just two days ago, didn't Ren Zhengfei go to JAC Motors to meet their boss? And this is what came out of it. This old bastard is also quite evil. He must have nodded off on the sales strategy, and don't tell me this old bastard didn't know about the production standards. I'll say it again: whoever buys these pieces of junk from Huawei is a pure, fucking idiot. As soon as the news broke, JAC Motors hit the limit down. And given the speed at which this sentiment is fermenting, it would be lucky if it stops at three limit downs. On October 8th, JAC's closing price was 24.72 yuan, and its market value dropped by over 6 billion in a single day. They even had a private placement in February this year at a price of 49.88 yuan; the funds that bought into this placement have now seen their book value cut in half. What else can I say? They deserve it. Alright, that's all for today's rant. If you like my show, please click the bell below. If you want to support me, you can join the membership channel. The membership channel has four in-depth programs every month. Welcome to join 'Good People.' See you in the next episode.