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First of all, let’s make a conclusion: no one can beat the steering wheel to death when it reaches 120km! ! nobody! ! The minimum turning radius refers to when the steering wheel turns to the limit position 1. The precise calculation is: r2=(r12-l2)1/2-((b+h)/2)+y, but most rough calculations can be approximated As: the arc radius of the inner edge of the road = turning radius-vehicle width-safety distance; 2. R0-the minimum turning radius of the center track of the outer wheel of the steering wheel; 3. Calculated by the center track of the outer wheel of the steering wheel, and calculated by the outermost point of the vehicle body 4. The minimum turning radius refers to the trajectory radius that the center plane of the outer steering wheel rolls on the support plane when the steering wheel turns to the limit position and the vehicle turns and drives at the lowest stable speed. Therefore, it is easy to cause the vehicle to roll over or collide with other vehicles or highway guardrails. To put it bluntly, I went to see Marx in advance. Let’s popularize the hydraulic power system: The principle of the hydraulic power steering machine is that the hydraulic power pump and two hydraulic oil pipes do work. The hydraulic power pump is driven by the engine. The power pump has an oil outlet pipe and an oil inlet pipe. When driving normally This kind of one-out one-in coordination. Once the direction is killed, the oil inlet pressure will be too high, the oil discharge pressure will decrease, and the proportion will be out of adjustment. Over time, it will cause the hydraulic pipe to burst, the direction of the engine oil seal will leak, and the hydraulic booster pump will be overloaded and internally damaged. Many drivers and friends who have driven will find that the direction of death will affect the idling speed of the car, and the slightly older models may even have the phenomenon of squeaking and squeaking of the booster belt. Especially when the old driver rubs the steering wheel with one hand, because it is very consistent, he often rubs it to the end, and even makes the sound of hitting the steering wheel. Such operations can cause considerable damage to the steering gear. Usually accustomed to hitting the direction strongly will greatly increase the wear of the ball head and connecting rod of the steering system. In addition, for vehicles with power-assisted steering, when the steering wheel is exhausted, the hydraulic flow output from the power-assisted pump to the steering gear is the largest, which makes the internal oil pressure and temperature of the power-assisted system rise sharply, which may easily cause damage or leakage of the power-assisted system. Having said that, in fact, 120 is not needed. In fact, it is impossible to kill the steering wheel when the speed is 60. Because when you turn the steering wheel, the car is also changing. Only keep turning the steering wheel. I haven’t tried this, but this is the reality!


By zhiwo

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7 months ago

There is an extreme sport called Arabian drifting. It is the exciting game played by the top rich second generations in the Middle East. The specific gameplay is to find a sports car, go to the big and flat straight road built in the desert, drive to more than a hundred, and then slam the steering wheel! ! ! ! Because the sports car has a low center of gravity, it will not overturn. Because it is a straight road in the big desert, the car will not hit anything no matter how it rushes. Step on the speed and hit the direction, it will be resigned to the trajectory of the car, it is very exciting~

7 months ago

According to the design of a family car, the direction to kill is about a circle and a half, how to do it suddenly. . . If it’s a hurry to give directions, I have encountered it. On a certain expressway from Jiangsu to Anhui, there is an overpass. On a sunny day, two or three pedestrians tried to cross the highway from the ground without using the overpass. Under normal circumstances, they can definitely be seen. The key point is that these pedestrians are walking along the shadows under the overpass. The sun on a sunny day is already dazzling. The shadows under the overpass follow the tunnel and look into the blind spot in the tunnel. I actually drove it until I saw it. The speed is about 110~120km/h. If you rush in the direction, 1/4 circle to half circle, there is a kind of hit by someone from the side, but there is no car beside or behind. In the end, I was rescued by the car, otherwise I won’t be able to answer here. But that direction is really terrifying. Subjectively, it feels like the whole car is hit from the side. There is an illusion that the steel frame creaks and deforms. If the seat belt is not sent in the back row, it will definitely be thrown up. Speaking of car rescue, I suggest not to panic in case of accidents, trust the ABS and ESP of your car, and brake hard! The direction must be squeezed tightly, not swaying left and right, must be back to the right in time, even if the body is not back to the right, don’t hit back!

7 months ago

This, in this case, I feel that this action of beating to death simply cannot be completed. Killing usually takes more than two laps. When the vehicle speed reaches 120 kilometers per hour, you suddenly turn the direction, no matter how fast your hands are, you can only make a circle! At this moment, the average car is out of control immediately! That is to say, it does not give you a chance to complete the “killing” operation. For example, if you make a circle to the left, the car will shift to the left and start to roll on the right side! I hope that the driver’s seat belt is worn well at this time. There are no other vehicles on the road, and there are no too many deadly obstacles. For the rest, ask for your blessings.

7 months ago

It will not roll over, will coast out of control, and the outside tires may blow out. I will cry if I continue. In a hurry, about one kilometer away from the intersection, I felt that the car ahead was too slow, so I went to its right lane and passed them on the right. (One-way four-lane, I have two lanes on the right). Then I wanted to merge back to the left, I wanted to take the left ramp from the left lane, and then I found that I couldn’t go back. The speed of the through car was increased and the route was closed, which caused me to be unable to merge into the left lane, and the intersection was getting closer and closer. In order not to miss the intersection, I had to accelerate beyond and turn left. Finally I entered the ramp and successfully entered the left ramp (the ramp has two lanes). I entered the ramp, but I saw that the radius of curvature of the ramp seemed to be insufficient, and my speed was too high. I watched the vehicle slid from the left lane to the right lane side by side. It didn’t help how I turned to the left. boom. The air bag pops out. squeak. Vehicles vibrating and trembling in the electric light flint are a long way in my life. It seems that I have passed a century, and it seems that I have come to another world. I instinctively kept holding the steering wheel firmly with the brakes. The car slid along the guardrail so far, so far, so far, so far, so far, so far, so far, so far, so far, and then stopped. Except for me, everyone in the car was too weak to get out of the car. No one was obviously injured. I got out of the car, but I was trembling. The guardrail was deformed and many railing posts were damaged. The right side of the entire car, from the bumper, the front face, the fender, the door, the glass, the rim, the tire, and the suspension, are all ragged. I will reply to the accusation in the comment section. Of course it was my fault. I shouldn’t overtake. I should honestly wait for the intersection to arrive. There are comments that saving the car while pushing the head is against humanity. I carefully evaluated this matter afterwards (due to work reasons, there are a lot of sensors in the car). The phenomenon is not pushing the head, but similar to a tail flick, that is, the front of the car is facing to the left, but the vehicle is sliding to the right. Regarding the occurrence of sideslip, it was because I chose the brake point too late. I chose a later braking point to avoid affecting the straight cars behind. Once the brake point is selected too late, the speed will be too high when entering a corner. Of course, I may have committed another so-called, that is, when entering a corner and still braking. When entering a corner, the tires are deformed due to the side of the car, the outside pressure increases, and the grip has deteriorated. Originally, the total grip was not enough, and I did not fully release the brakes after entering the corner, resulting in a part of the grip being consumed in the longitudinal direction (used for braking), and the total grip provided by the tires was constant. The lateral grip is insufficient, so sideslip occurred. But, if I release the brake, can I not skid? It’s hard to say, because the curve is not a standard state (the tire load on both sides is different, the sidewall is deformed, and there are too many variables, which makes it difficult to calculate the grip that the tire can provide. If I don’t release the brakes, I may not have sideways. In extreme turns on the ramp, you may also rush up the guardrail at a higher speed. Once the guardrail pierces the car body, it is not a side slip. The specific consequences are unimaginable.

7 months ago

As far as my experience off the track is concerned, I will flick my tail. If the center of gravity is too high or rubs against the ground too much, the vehicle will overturn. There is no resource. This is the first turn after the big straight line. The straight tail speed can reach 220km/h, and the heavy braking speed drops to about 170km/h. When entering the corner, the speed is almost 140km/h when the center of the bend starts to give fuel. . When the vehicle speed is too fast or the steering wheel has been hit, you can clearly feel that the body has a tendency to sideways. The STI of a friend collided in this corner that day. The reason was that the car entered the corner too fast, and then tried hard to rescue the car. As a result, the body turned sideways. After the speed was reduced, the four-wheeled car returned to grip and hit the wall. Of course, if it is a front-wheel drive vehicle, the first thing to appear is to push the head, that is, the direction is turned, but the car is still going straight. However, when the speed drops and the tires return to grip, there will still be a tail flick.

7 months ago

As a result, the car may not roll over or spin. You will hear the sharp friction of the tires, and the direction of the car hardly changes—when the car “pushes its head” for 120 miles (about 192 km/h, I guess the code means mile?), the direction is instantly killed. , The front wheel should directly break through the grip limit and start to slip, causing understeer, that is, pushing the head. The steering wheel slips and does not grip the ground, and the direction of the car cannot be changed, or it will only be updated by a small angle driven by the remaining little grip. After correcting it, it is found that the subject is talking about 120 kilometers/ The speed is not as exaggerated as 192 km/h, and I still haven’t tried it myself… I’ll try to deduct it. I hope you guys will correct the same first. The front wheel breaks through the grip and slips and pushes the head. Then due to the still existing sliding friction between the front wheel and the ground that had already turned an angle, the car started to decelerate. If the direction is still stopped at this time, then in the process of decelerating from 120 down, there may be a moment at any time when the speed is so low that the front wheel can regain the grip. The front wheel can regain the grip in an instant, which will cause two Two consequences. First of all, the forward speed of the car will drop relatively suddenly, causing the center of gravity of the car to move forward, causing the load on the rear wheels to suddenly decrease, causing the grip of the rear wheels to decrease, and the rear of the car starts to flutter; secondly, the front wheels re-grasp the car Will start to turn with the front wheels. Then the rear of the car will be thrown forward from the other side due to inertia. So the car will flick its tail, spin, and if the car’s center of gravity is high, it may roll over.

7 months ago

First of all, thank you for the invitation. I remember answering an almost identical question before. The first thing to say is that this is definitely a dangerous attempt, because it is 100% drifting. It can be divided into two situations. The first is a car, a vehicle with a relatively low center of gravity. The second is vehicles with a high center of gravity, such as off-road vehicles. Generally, a vehicle with a low center of gravity is less likely to roll over. However, vehicles with a high center of gravity, such as off-road vehicles, are very likely to roll over. When the car performs the operation you mentioned, the tail will first be thrown out in the same direction. If you are on a highway, if you use three lanes, it can be estimated that if it is not handled properly, it will rush out within two seconds. the way. And the rollover you are considering, if it is a car, is too late to happen. Another situation is if you are driving a vehicle with a high center of gravity, such as an off-road vehicle. First, there will be a very large shift in the center of gravity and pendulum movement. If the shock absorber is unable to offset the inertia of the lateral center of gravity shift of the vehicle body within the effective stroke, then a rollover will occur. There are many factors that determine whether the vehicle will overturn as mentioned above. I am not saying that a vehicle with a low chassis will not overturn, and a high chassis will definitely not overturn. The cornering speed of the rally racing car is also quite high (of course, not necessarily to 120 every time). To a large extent, the driver can correctly control and use the drifting movement of the vehicle, and the design orientation of the various components of the chassis determines the whole The texture and purpose of the chassis. To put it simply, on relatively flat roads, most cars are now less likely to rollover, and the current industrial design has reached a very high level. If it is a vehicle with a relatively high center of gravity, the probability of a rollover is greater. There is also the wheel falling off mentioned in your question. As I said above, today’s industrial design has been perfected, and the structure of the suspension system has also been continuously improved in long-term practice. Direction, tire falling off is a very unlikely event.

7 months ago

If the steering wheel is killed immediately, the steering angle is too large, and the vehicle will definitely not be able to complete the steering smoothly. A rollover will definitely happen. Somersault depends on the situation. At a speed of 120, it will basically slide after the flip. In any case, this kind of car accident has the highest death rate for the passengers, especially the ones who were thrown out during the overturning process. Therefore, remember one sentence when you get on the high speed: let the speed not give way. Getting on a high speed does not refer to a speed of 120, but a speed that will roll over when you turn the steering wheel suddenly. Basically, don’t drive in a hurry if the speed exceeds 60.

7 months ago

In the case of a car, it should first push the head and then flick the tail, and the body will first cross and then rotate. If it is an SUV, if the tire grip is better, it may tip over on the spot. If the grip is not good, skidding occurs, and the result is the same as that of a car. It rained two days ago, driving a company car, a Suzuki small antelope (this car uses 4 noodles, the car weighs less than a ton, and there is no electronic control system), in a U-turn turn U-turn, the car speed is relatively fast, about 50 or so, when it comes to a bend, the rear of the car just passed, without pushing the head and just flicking the tail, scared me to reverse the direction quickly, wait for the car to return to the center slightly, and then slowly return to the direction. after a vehicle has been operating close to the green belt, and fortunately no other car on the road.

7 months ago

First of all, it depends on whether the connecting rod of your car can support it. If you can’t support it, the steering system will collapse and directly send it for repair. Then refer to the Arab Drift. There is also a situation where the tire grip is not serious enough to push the head. If the SUV’s center of gravity is high enough, it will really turn over. Don’t take a fluke. It is recommended to find a high-fidelity driving simulation game and try it. Of course, you don’t have to worry about a million-level car like a Bentley Rolls-Royce. The four wheels are like growing on the ground in the direction you are killed

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