Automotive Black Technology Chapter 65: :Rear-wheel drive VS four-wheel drive
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Many people don’t understand why there are speed limits on highways with such good road conditions.
They don’t know that when the car travels more than 140 miles, even if the car runs over a broken brick, it can overturn the car, causing the car to be destroyed and people killed.
Over 170 miles, even a slightly larger steering movement may cause the car to lose control.
There are three driving modes for vehicles: front-wheel drive, rear-wheel drive, and four-wheel drive.
Front-wheel drive, as the name suggests, uses the front two wheels to drive and control steering. The advantage is that the transmission structure is simple, the cost is low, and the power loss is relatively small. The disadvantage is that the steering is inflexible and the control feeling is poor.
Rear-wheel drive, use the rear two wheels to drive the front wheels to control direction. The advantage is that the weight of the body is evenly distributed, the steering is light, and the handling is good. Generally, sports cars and racing cars use this driving method, but the shortcomings are also obvious-in extreme road conditions, it is easy to oversteer, which is the legendary drift.
Although the drifting in movies and stunts is beautiful and exciting. But you must know that drifting is definitely a loss of control of the vehicle!
A four-wheel drive vehicle has high cost and high energy consumption, but it combines the advantages of front and rear drive!
Sha Feng slammed into the rear bumper of the Spirit Snake S9 with lightning speed. After a muffled sound, the S9's back body suddenly jumped into the air and rushed forward.
Due to the loss of friction, the rear wheel driven by the S9 spun sharply. After returning to the ground, the rapidly rotating rear wheel unexpectedly came into contact with the ground, and immediately let out a piercing scream.
Then, the entire car began to swing from side to side.
Looking at Shafeng, due to the heavy weight of the car, the four-wheel drive is stable, with only a slight bump. After Lin Lei corrected the direction, he accelerated again and stabbed the swaying S9 hard.
The poor Spirit Snake S9 no longer worked. After the rapid braking failed to change the decline, it flew out at a speed of more than 150 kilometers per hour and hit the wall on the roadside. .
Most of the residents near Zhengyang Street were sleeping soundly at the moment, and a loud noise woke them up from their sleep. They opened the windows one after another and looked at the place where the sound came from.
At the end of the street, a ball of fire accompanied by black smoke floating into the air, illuminated half of the street.
Lin Lei stopped the car and applied the handbrake, quickly got out of the car and ran in front of the fire. I saw that the Spirit Snake S9, which was originally agile, light and exuding a sense of movement, had been knocked down like a crushed can.
The gasoline spilled after the fuel tank ruptured, accompanied by raging fire, gathered into a sea of fire on the ground.
At this moment, it seemed as if there was an invisible big hand that took away all the strength he had gathered before. His legs became weak and he sat helplessly on the ground.
This is a side effect of adrenaline secretion, Lin Lei knows it.
Shudderingly, he took out a cigarette from his pocket, but he couldn't light the **** lighter.
Crawling on the ground and hunched over the sea of fire, he took a deep breath, exhaled a long breath, and turned around to look at the Shafeng, whose front face was somewhat deformed by the collision.
After a long time, he took out his phone and dialed his wife's number.
The other side answered the call quickly, and the wife called out to her husband in a panic.
"Honey, I'll be home soon."
Lin Lei said this nonsense and hung up the phone.
In the early morning of the next day, in order to avoid causing panic among the citizens, the Tiancheng City Public Security Bureau held a press conference to make the thrilling battle last night objective and detailed.
During the press conference, reporters frequently asked questions. When asked why the dignified Public Security Bureau, a paramilitary unit, could be so traumatized by two thugs, the spokesman on stage fell silent.
After thinking for a long time, he replied deeply: "In this incident, the gangsters' equipment was obviously better than ours.
Not to mention the anti-tank rocket launchers they are equipped with, just the high-precision sniper rifles and automatic rifles completely suppressed us in terms of firepower. The two comrades who died on the spot were only equipped with pistols with nine rounds of ammunition, and the effective range was only fifty meters.
This is our reality at this stage. Because of the good public security environment in the country, we can only feel helpless when faced with such criminal elements with high firepower and equipment.
Had it not been for the comrades from the criminal police team driving a modified bulletproof car during this chase, I am afraid that the gangster would not have been caught and killed so easily. This is a blessing among misfortunes. ”
Because the incident resulted in the tragic death of four people and serious injuries to three others, the venue felt extremely heavy.
The lone pursuit of the murderer, Lin Lei, and the magical bulletproof car became the only bright spots in the entire conference.
In the incident, the heroic Lin Lei did not participate, so the reporter focused the topic on the car.
The female reporter from City News raised her hand, stood up and asked: "Excuse me, after learning such a painful lesson, will our city consider upgrading the existing police equipment?"
The spokesperson nodded to her and replied: "You may not know much about our police force. We are equipped with automatic rifles and body armor, but we don't usually distribute them. After this incident, I The city’s public security department has determined an optimization plan and enhanced the firepower of police officers.”
A Tiancheng Evening News reporter raised his hand and asked: "Yesterday, our city's police vehicles were replaced with new ones. Is this modified bulletproof car also provided by Zhengxin Company? After this incident, our city's police force Are there any plans to completely replace this type of bulletproof vehicle? ”
The spokesperson nodded and said: "The Shafeng SUV with license plate number Cj00503 in last night's incident was indeed one of the vehicles delivered by Zhengxin Company. But as far as we know, only this batch of vehicles was One is equipped with bulletproof glass and uses ceramic modules on the outside. According to the appraisal by comrades in the technical department, this vehicle has reached the international level II bulletproof level and can effectively withstand the damage of explosive shrapnel and rifle bullets.
As for whether to completely change the costumes, this is still open to question. Due to limited funds, we don’t know whether the financial expenditure can bear the cost of this part of the modification. ”
……
The press conference lasted for a full three hours. Li Fanyu knew about such a big thing, and he immediately dialed Lin Lei's phone number.
"Captain Lin, are you okay?" he asked worriedly.
Lin Lei on the other side of the phone laughed and said, "You are really my lucky star. I am about to call you to say thank you! Don't say anything. Your sister-in-law has ordered you to come to us at night." Eat at home.”
Li Fanyu was convinced that the news was too general and did not report Lin Lei's specific situation, which made him worried for a while.
It can be said that people like Lin Lei were Li Fanyu's idol when he was a child. After several interactions, Li Fanyu was deeply impressed by Lin Lei's forthright and upright character.
Not to mention that he also brought in more than 50 million yuan in business for the company...
Li Fanyu breathed a sigh of relief and wanted to politely refuse and let Lin Lei have a good rest.
Lin Lei said like an order: "Don't refuse! I...I am really grateful to you, grateful for your car, and for giving me the opportunity to accompany the two of them again..."
Li Fanyu pursed his lips, stopped refusing, and simply agreed.
He had never experienced this kind of concern from Lin Lei. On the way to his home, Li Fanyu couldn't help but think wildly; if I was in a situation of near death, except for my parents and uncle...
Who will you worry about and who will you worry about?