Car blogger Ma Ge died in a car accident, and the fatal shortcomings of rear-wheel drive cars should be paid attention to
On November 26, car blogger "Kang Yue" posted that his partner Ma Ge died in a car accident. "My partner, my closest partner, Brother Ma, has left me forever. I hope you will take this as a warning, and you must check the tires of your vehicle in advance when driving in winter. ”
According to the expression of "Kang Yue", "high-horsepower rear-drive, sub-zero, 19-year-old P0 drove his own car when the road was icy and out of control and hit a tree."
The death of car blogger Ma Ge in a car accident is sad, but this also makes us pay attention to a major problem, that is, the problem of the rear-wheel drive car skidding on ice and snow, according to Jiupai News, on the evening of the 26th, Ma Long's former colleague told reporters that he had an accident in Changping, Beijing the day before yesterday, and as far as he knows, Ma Long has run on the track and drove steadily. It said that the tragedy may have occurred due to the fact that the high-powered rear-wheel drive car would slip on the ice surface, and the difficulty of vehicle maneuvering.
After seeing the news, many netizens said that they would never buy a rear-wheel drive car, either front-wheel drive or four-wheel drive. Some netizens also said that if the blogger drove a BYD four-wheel drive, he might be able to save his life.
Judging from the tragic accident of the car blogger, the fatal shortcomings of rear-wheel drive cars should be paid attention to.
What is the difference between front-wheel drive, rear-wheel drive, and four-wheel drive?
When car owners buy a vehicle, they will find that the vehicle has different drive systems, which can be roughly divided into front-wheel drive, rear-wheel drive, and four-wheel drive.
The so-called front-wheel drive car, as the name suggests, only has two front wheels responsible for driving, and the power comes from the front wheels, at which time the whole car is equivalent to being pulled by the front wheels.
Rear-wheel drive cars are actually the opposite, the two rear wheels of the car are responsible for driving, and the power comes from the rear wheels, at this time, the whole car is equivalent to being pushed by the rear wheels.
To give an image example, similar to the rickshaw during the Republic of China, the front drive is pulled and run in front, and the rear drive is pushed and run in the back.
Whereas, four-wheel drive refers to the distribution of the engine power of the car to the four wheels of the car to improve the handling and traffic capacity of the car. Although all-wheel drive is full of power, it is fuel-efficient and not as agile as two-wheel drive. But its biggest advantage is that it has good off-road performance, especially on convex and concave roads, muddy roads, snow roads and other roads, and the four-wheel drive performance is better than that of two-wheel drive.
In general, in terms of fuel consumption, the front-wheel drive fuel consumption is low, the rear-wheel drive is second, the four-wheel drive fuel consumption is higher, in terms of power comparison, the power of the four-wheel drive car is higher than the rear-wheel drive car, and the power of the rear-wheel drive car is higher than that of the front-wheel drive car, so many owners who pursue power will choose four-wheel drive or rear-wheel drive vehicles.
Therefore, in this case, generally 4WD vehicles are more expensive, followed by rear-wheel drive vehicles, and finally front-wheel drive vehicles. From another point of view, front-wheel drive vehicles are also more cost-effective.
Why do rear-wheel drive cars tend to slip in snow and ice?
When dealing with slippery or icy roads, the weight of the front-wheel drive vehicle is concentrated in the front driving wheels, so when dealing with slippery roads, the load in front of the car is heavier, so it is less likely to slip. A four-wheel drive is of course better, and it is more stable when dealing with snow and ice.
At present, the problem of rear-wheel drive vehicles skidding on ice and snow roads has been frequently discussed for many years, and most of the opinions are that rear-wheel drive vehicles are more dangerous in ice and snow than front-wheel drive vehicles. The problem is mainly reflected in the situation of braking in an emergency, and if the brake is stepped deeply, the butt of the car may be thrown out.
During the Spring Festival last year, some northern netizens sighed: In the snowy weather, I saw seven or eight accidents all the way back to the city from Huairou, some of which were small rear-end collisions and some of which were very serious on the Beijing-Chengcheng Expressway. The ice and snow on the Huairou road surface have not been treated, and they all rely on the pressure of the car. There are not many ice and snow treatments on the Jingcheng Expressway, and all cars on the highway with a speed limit of 120 only dare to drive about 60.
In fact, from the principle point of view, the front wheels of rear-wheel drive vehicles are heavier, while the side of the driving wheels is lighter, which can be understood as the friction of the front wheels is much more than that of the rear wheels. In snow, it is possible that the rear wheels have broken through the friction before the front wheels have received enough thrust to move forward.
Especially when the rear-wheel drive car turns the head, the reason is that the wheel grip is too weak, when the horsepower exceeds the tire friction, although the front wheel has been turned, but the inertia force of the vehicle can easily overcome the friction resistance of the front wheel, and push the body straight according to the direction of the inertia force, and can not turn normally.
Usually high-horsepower vehicles are rear-wheel drive or four-wheel drive, so it increases the risk. Therefore, some netizens pointed out that there are no rear-drive Wuling Hongguang and buses in the north at all. If there is only a rear-wheel drive car, build with snow chains.
Some old drivers pointed out that when braking on ice and snow roads, vehicles without ABS are best braked or rely on engine braking, and the rest is handled by the body stability system. Vehicles with ABS must not be taken lightly, and the braking action should also be slow and gentle, leaving a good amount of braking advance to avoid the risk of rear-end collision.
From the current point of view, in any case, car companies need to pay attention to this issue and make efforts.
Because for so many years, there has been no car company to solve the problem of rear-wheel drive cars skidding on the ice and snow roads, ordinary rear-wheel drive cars are limited by technology, electronic equipment and tuning are easy to swing their tails on snow roads, especially when the risk is greater when going uphill, so most consumers who pay attention to safety choose front-wheel drive. In fact, that's why rear-wheel drive cars are becoming less and less available today. According to the previous data of 2022, in the Chinese market, the sales of front-wheel drive SUVs accounted for 72% in the first quarter of 2022, while the proportion of rear-wheel drive was only 5%, and the proportion of four-wheel drive was 23%.
For consumers, buying a car as much as possible to buy front-wheel drive or four-wheel drive has become a consensus in the car circle. The death of car blogger Ma Ge due to a rear-drive car accident is worthy of more consumers and car companies to wake up, how to solve the fatal shortcomings of rear-wheel drive cars through technical means and software and hardware solutions, and then talk about the acceleration performance and push back feeling of rear-wheel drive cars, which may be a thing that new energy car companies need to pay special attention to.
The fatal shortcomings of rear-wheel drive vehicles should be paid attention to by car companies
From this point of view, consumers in the north may have a more personal experience of the safety of rear-drive vehicles, and for rear-drive car companies, they also need to pay attention to this issue.
As early as June this year, Li Shufu, chairman of Geely Holding Group, said at the 2023 China Automobile Chongqing Forum that safety is the basic quality that electric vehicles must achieve, safety is related to human life, but also related to the public interest, and the investment in automotive safety technology must be ranked first.
This is worthy of reflection by car companies, and it is also an important issue that consumers need to pay attention to. Because in today's new energy vehicle dominance, in order to strengthen the so-called acceleration performance, push back feeling and improve the handling of the vehicle, more and more new energy vehicle companies have begun to transform the rear-drive platform, such as, Changan (dark blue), BYD (seal), Xiaopeng, SAIC (Feifan, Zhiji, Roewe, etc.), Leap, Skyline, VOYANT, and so on.
Some car companies claim that rear-wheel drive vehicles are safer and more reliable when driving at high speeds and in corners, saying that the rear-wheel drive design can also better transfer power to the drive wheels and provide better acceleration performance.
If we do not solve the problem of skidding in ice and snow, only emphasizing the so-called acceleration performance, this is obviously a marketing orientation that ignores the safety of consumers, and once something happens, it will be a heavy blow to the car company.
From the consumer's point of view, in the past, many people bought a car either to consider fuel saving, or to consider the refrigerator color TV sofa, or to value the intelligent driving experience and the so-called push back feeling and zero hundred acceleration, which also reversely promoted the product development direction of car companies, but from the tragic accident of the car blogger, safety is also an important part of the consumer's need to consider when buying a car. When consumers buy a car, if there is no safety this 1, the so-called drivability, zero hundred acceleration, refrigerator, color TV, and large sofa are all 0.
In the past, our country does not develop rear-drive platform models, on the one hand, it is a technical problem, on the other hand, it is also the independent choice of consumers, and gradually abandon the rear-wheel drive car, but the market determines that we can develop front-wheel drive models more quickly occupy the market, when the domestic independent brand occupies a certain market, and then go back to the development of rear-drive platform models, whether it is in line with the principle of maximizing consumer safety, remains to be seen.
Therefore, from the death of car blogger Ma Ge in a car accident has triggered consumers' attention to the safety of rear-wheel drive vehicles, the fatal shortcomings of rear-wheel drive cars, car companies should pay attention to how to solve the problem through software and hardware solutions, "the head will be pushed when turning, the wheel grip is too weak, and the friction of the front wheel is much more than that of the rear wheel in ice and snow." "This fatal shortcoming, allowing consumers to let go of their safety concerns about rear-wheel drive vehicles, is the key to whether rear-wheel drive vehicles can re-enter the mainstream market from a marginal position in the future.
Author: Wang Xinxi, Senior Reviewer of TMT This article is not reproduced without permission