Police reversal - This is a maneuver, in which the car moving by the reverse move is deployed 180 degrees, and without stopping continues forward. Your name police reversal I received for the fact that they were often used by the police in Hollywood films. Indeed, on the outside it looks quite impressive. However, this technique serves not only for the effect of the appearance on the viewer. It also enters the list of exercises of most schools of contramitting preparation.
The essence of the police reversal
From side police reversal It looks like this: the car is accepted by reverse, turns to the left or right to 180 degrees and continues the path in the same direction, but already in front of the front. This technique is often used by employees of special services with limited space for maneuver or shortage of time for the traditional reversal.
Essence police reversal The fact that most cars have the front part are harder than the rear. This is due to the fact that under the hood there is an engine and a gearbox with a large mass. Therefore, under the appropriate conditions, the car easily unfolds around the rear axle.
The procedure for performing a police reversal
Consider how to perform police reversal On the example of the front-wheel drive car with a manual transmission.
1. Turn on the rear speed and accelerate the car by controlling the motion trajectory and no interference for the maneuver on the rearview mirrors
2. sharply unscrew the steering wheel until it stops left or right, depending on where we want to turn.
3. At the time of the steering wheel, the engine sharply increases the engine speeds up to 70-80% of the maximum, translating the front of the car to slip around the rear axle.
4. When the car turns 90 degrees, let go of the gas, squeeze the clutch and return the steering wheel to the position of the straight line. The front wheels set right will begin to quench the torque.
5. When the car almost turns 180 degrees, we turn on the first or second velocity, press gas and continue the movement of the front run.
ATTENTION: Incorrect execution of the maneuver can damage or even the car's coup, so the initial skills must be mastered on a deserted platform or an autodrome, under the guidance of an experienced instructor.
Why do you need a police turn
You ask, why do you need police reversal Conventional car driver?
The fact is that police reversal Mimics the actions of the driver in a critical situation, such as uncontrollable skid, turning into uncontrolled rotation of the car. That is why it is studied in most schools of contralauing training. This technique allows you to learn to understand the position of both controlled wheels at any time and the behavior of the car itself in space when driving or rotating. Having mastered the skills of this reception to automatism, you can avoid such a dangerous situation as the car stop across the carriageway after rotation or drift. Of course, for this you need to masterfully own other techniques for stabilizing the car, to understand the trajectory of movement, etc., otherwise you can only aggravate the situation.
With this, and other techniques controlling a car in a critical situation, you need to study on specialized sites, experienced instructors. In no case do not experiment on the carriageway of the roads, as you can provoke an accident, damage or tilt the car.
A policeman is a maneuver, in which the car traveling by reverse is sharply unfolding 180 degrees and continues his way along the same trajectory, but already "face" forward. This trick became popular in the 1970s thanks to the Rockford television American show. Since then, a police reversal is often performed by driver-cascaders in cinema and various television shows. You can perform this maneuver, both dry and on snow-covered surfaces, which is more preferable during the training of this skill. In the article you will learn how to make a police turn. However, it is better to make it under the supervision of an experienced driver or a professional instructor.
Car Requirements for Police Roll
A successful trick depends not only on the driver's experience, but also from the technical condition, as well as the characteristics of the car. For this reason, before the steering wheel sits, make sure that it corresponds to the special requirements for making a police reversal.
- The engine must be in the front of the car, as it is necessary for such a maneuver that the main weight comes to the front part. The back of the opposite should be unloaded. For this reason, cars with rear engine are poorly suitable for the execution of such reversal. Also check that the trunk is empty.
- It is better for these purposes to use a front-wheel drive or all-wheel drive car.
- Disconnect the dynamic stabilization system (ESP), otherwise, during the trick, it will block all the wheels.
- The handbrake and brakes must work trouble-free.
- Tires should not be worn.
Negative consequences of a police reversal for the car
Keep in mind that a dangerous maneuver, even with a positive outcome, will negatively affect the technical condition of the car:
- tires are faster wear out
- the axes and wheels are damaged,
- faster suspension and some steering elements,
- violates the operation of an automatic transmission.
For this reason, the police reversal is necessary only with the complete condition of the car.
In addition, an insufficiently experienced driver can create an emergency situation with this maneuver.
- The machine can lose controllability and change the trajectory of movement. Well, if there will be no obstacles on her path.
- In the worst case, the car can roll over on the side or on the roof. This can occur on a very slippery surface, or when the wheels are raised to any obstacle, for example, on a bodie.
Not only the driver himself can suffer, but also other participants in the movement. To avoid such negative situations, train in a deserted place under the supervision of an experienced mentor.
How to learn to make a police turn for 5 steps
Step one
Release the turning skills are necessary on the desert area. It is best to start to avoid training on asphalt or concrete. The perfect place to make such a maneuver is a ground surface. The Earth will give you the same skills, but the speed will be less and the tires will not wear out so quickly. Minus is just that the car after that will need to be thoroughly wash. Also, the training surface (platform) should be smooth, without any bodies, holes and bumps. Shoot the half-one and make sure that your maneuver will not hurt anything.
Step two
Start the movement with reversing accelerating to 25-40 km / h. The more speed, the car is better unfolding. However, it is more dangerous to damage anything. For this reason, for the first time, start with 25 km / h.
Step Third
The next step is easier to do on FWD and AWD cars.
- Turn the steering wheel in one direction, for example, to the right, it initiates the slide of the front wheels. As soon as you start a turn, push a little on the gas. At that moment, when the front wheels begin to put, put the car on the neutral. Do not clean your hand from the handbrake!
With rear-wheel drive cars, this step should be done much more difficult, but maybe.
- Heat the car reversed, turn the steering wheel to the right. As soon as the front wheels begin to slide, you need to press the brake pedal, it will help the machine to rotate on the same tires. However, it is necessary to make it so that they do not block them at all. After that, you need to put the handbrake into a neutral position and be ready to bring it into the working position.
Step fourth
As soon as the car slipped about half the path and turned 90 degrees, it is necessary to remove the car with a neutral and straighten the wheels.
Pitch fifth
The next step is we click on gas. At the same time, you must specify the car direction in which you want to continue.
Keep in mind that, perhaps, the first time it is not possible to turn the car strictly 180 degrees. The car can continue the movement in a completely different direction than I would like. For this reason, it is necessary to make sure that in case of such circumstances, you will have a fair place in stock.
The most suitable gearbox design: automatic or mechanic
Police Roll Skills may be helpful in a difficult road situation.
Police reversal can be successfully implemented both on automatic and on a manual transmission. In general, the technology of maneuver is similar to each other, only parts in the control of the car differ.
By car with a manual transmission you need:
- switch to rear gear;
- accelerate to 40 km / h;
- squeeze the grip and turn the steering wheel to the end;
- when the machine turns 90 degrees, it is necessary to return the steering wheel to its original position, then set the necessary direction to the wheels;
- switch the box to 1, and better 2 transmission and press gas.
On cars with an automatic transmission, you must act a little differently:
- to move back, you should translate the gearbox to R mode;
- then switch to the neutral - n;
- immediately turn the steering wheel;
- when the car unfolds at a right angle, it is necessary to turn the steering wheel in the opposite direction;
- when the car unfolds, turn on the mode D and move forward.
In order for the police reversal, it is necessary to strictly adhere to some rules.
- Carefully check the technical condition of the car.
- Choose a deserted, even place. It is desirable that the surface is snow-covered either primer. Avoid ice and wet concrete.
- The perfect car for the commission of a police turn: front-wheel drive, with the front of the engine and automatic transmission.
- Disconnect ESP and ABS. It is impossible to make such a maneuver with ESP, and with ABS it is very difficult, for this it is necessary to apply the double trip method. Not everyone will cope with it.
Do you know that the narrowest police reversal was produced by Renault Twingo car. The car performed the maneuver between the barriers, which were located at a distance of 378 cm from each other. At the same time, the diagonal length of the car is 370 cm. This means that when performing the trick, the gap between the machine and barriers was only 4 cm with each of the sides. This world record was installed by Terry Grant in the UK in 2008.
Even if the driver theoretically understood how to make a police reversal, this is not enough. Practice is needed. It follows a long time to train to use a handbrake at the right time, turn the steering wheel and switch the box.
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Many motorists want to master the police. This impressive maneuver is a reversal of 180 degrees of the car that has been reversed. At the same time, the trajectory of motion does not change. Beginner drivers, this maneuver may seem extremely difficult and affordable only to ASAM. But let's figure it out how to learn how to quickly.
Do not forget that the technical characteristics of the car itself will be not necessary for the possibility of performing such a maneuver. There are several criteria, according to which you can understand whether the car is able to perform a police turn:
- It is very important that the engine is in the nose. But the trunk should be completely cleaned from things. It is important that the center of gravity of the car was shifted precisely to the front of the car, because otherwise such a turn in the unprofession cannot work without experience.;
- important and drive. It should be either front or complete. You can make this maneuver and on the rear-wheel drive car, but it is extremely difficult;
- Dynamic stabilization system must be disabled. Otherwise, when trying to turn around, she just blocked the wheels;
- It should also be done with the ABS system. True, a professional can fulfill turn and with it, but difficult;
- serviceable for all 100% parking and foot brake;
- New tires, erased will prevent the execution of the maneuver.
It should also be remembered that the car with a high center of gravity is not adapted to make such reversals. There is a real risk just to turn over.
First of all, it is worth saying that such a maneuver can bring the harms of the car harm. Tires are subject to strong wear, the axis and wheels are also underway, due to which malfunctions may occur. This is added to the risk of critical damage to the automatic transmission, steering system and suspension. If the overall condition of the car is not perfect, then you should refrain from doing this maneuver.
And drivers who are poorly owned by the police turn, can become a culprit of an accident. Therefore, it should be trained with an experienced mentor and where there are no other cars.
The type of flushing transmission does not greatly affect the overall progress of the maneuver. The difference will be in some nuances driving a car during maneuver.
If it is "mechanics", then:
- must first turn on the rear gear and accelerate to 40-60 kilometers per hour;
- Now it is necessary to squeeze the clutch and turn the steering wheel in terms of the stop, and the gearbox is installed on the neutral, then you need to turn on the handbrake;
- When the car unfolds 90 degrees, remove it from the manual brake, and return the wheel to the wheel direct position;
- At the end of the reversal, install the PPC lever on the first or second speed and press gas.
On the "Automatic" algorithm of actions Other:
- Install the lever in the R "position - reverse;
- unscrew the steering wheel in the opposite direction of turning the side;
- as soon as the angle of rotation of the machine will reach up to 90 degrees, return the steering wheel in a straight position;
- When the car unfolds and stops, set the speed switch lever to "P";
- Then switched to "D" and you can safely go ahead.
Now let's go in more detail in five important steps, of which the police turn is.
First of all, it is necessary to find the right place to study. Suitable empty duder. This coating is better suited than asphalt or concrete - there is no likely to accelerate too much, and the tires are subject to less wear. True, after training the car will have to wash. It is also important that the playground is without any irregularities. Before moving directly to the police turn, it is worth checking the area on the absence of interference by sprinkling a half-one.
Next, go to the maneuver yourself. When moving with reverse, you need to accelerate to 40-60 km / h. The higher the speed, the easier it is easier to turn the reversal, but there is a versatility will not cope with the control. Therefore, it is best to start with 40 km / h.
When you achieve the required speed, go to the next step - by one hand, check the steering wheel in the required direction. You will notice that the wheels begin to slide. When they begin to put, switch the box lever to the neutral position, and then turn the handbrack.
It is worth noting that on rear-wheel drive cars it is very difficult to do. When the front wheels begin to slip slightly, you need to click on the torusosis. It is important that they are not blocked, so you need to slow down a little, and then let go of the pedal. After that, also switch the lever to the neutral position and put the car to the handbrake.
When the car turns 90 degrees, it must be removed from the handbrake and translate to the speed from the neutral, and install the steering wheel in a direct position to align the wheels.
After that, click on the gas and the steering wheel already install the direction of movement. Everything. At this police reversal ends.
Photos from Internet resources
Police reversal is such a maneuver when the car moving by the reverse move unfolds 180 degrees and further rides, as it should be, ahead face. In this article we will tell you about the technique of performing this maneuver and the requirements for the car.
Initially, learn this trick, stands on a snowy or dirty level road. Do not learn on concrete or asphalt, as it is possible to overturn the car. Choose a deserted place, avoid ice. It is best for the initial lessons the dirt road will be suitable, check that the road surface would be without rod, bumps and pit. On an earthwork coverage, you will receive the same skills as on a different surface, but in case of error, the consequences will be less sad. Also, on the primer of the tire is much less wears. One thing, after training you will have to wash the car from dust and dirt. Ideally, you need to learn, under the supervision of an instructor or more experienced driver.
The success of the execution of a police reversal depends not only on the skills of the driver, but also on the characteristics of the car and its technical condition. Therefore, before falling behind the wheel, check whether your car matches, special requirements for the execution of a police reversal.
Requirements for the car
The car must be all-wheel drive or front-wheel drive. The placement of the engine in the car should be in front, because for this maneuver, it is imperative that the center of gravity is located, as close as possible to the car's nose. For the same reason, check the rear trunk, it must be absolutely empty.
Do not attempt to perform a police turn by car with the rear engine.
Check the brakes, as well as the handbrake - they should work as "watch". Wheel tires should not be worn.
Disconnect an anti-locking system on the car (ABS) and a dynamic stabilization system (ESP). With the ESP system enabled, the trick does not work, as it blocks all the wheels. With ABS, you need to use the double-dear method, it is very difficult for real masters.
Police Reulted Technique
Before performing the maneuver, make sure that there are no foreign objects, people and cars on the road.
The first execution of the trick, perform at 25 km / h. In general, the higher the speed, the easier the car to deploy, but for the first workouts and the minimum speed is enough to work out skills.
Performing a maneuver by car with an automatic transmission
Start the movement by reverse, accelerating to the desired speed. Turn the steering wheel to the failure, in one of the directions, it will lead to the fact that the front wheels will start sliding. As soon as the car starts to deploy, add a little gas and immediately turn on the neutral. At the time when the machine is deployed, approximately 90 degrees, align the wheels and turn the front transmission. At the end of the turn, press gas and align the car in the right direction.
I would like to add, for the first time, most likely, the car will not unfold strictly 180 degrees, so choose as a wide range.
Performing a maneuver by car with a manual transmission
Turn on the rear transmission, accelerate to the desired speed, squeeze the clutch and turn the steering wheel to failure. When the car turns 90 degrees, align the wheels, we turn on the second gear and press gas.
Negative consequences of a police reversal for the car
Fast wear of the tires
Damage to the chassis, including suspension and some parts of the steering
Transmission Box Work Disorders
Even if the driver learned the theory by heart - this is not enough, it is necessary to train a lot and carefully, to bring the skills for automatism. Therefore, if you want to learn to a police turn, do not spare time and forward to the training platform.
The higher the driver's skill, the greater the likelihood that in a difficult road situation will be able to avoid a collision or accident, or at least minimize damage. One of the signs of highly qualifying the motorist is the ability to make a "police reversal". This trick often flashes into the cinema, it is demonstrated to the roadshow. This is not only a very spectacular and spectacular trick, his development will help better feel the car and confidently manage it. There are two options to make a police turn:
- while moving forward to deploy a car for 180 o and some time to continue moving by reverse, and then make another turn to 180 o;
- when moving with reversal, deploy a car for 180 o and continue moving forward.
The second option is as if half of the first and from it, it is possible, and should begin to develop the technique of performing a police reversal. But to perform such a maneuver, you need to have a car in excellent condition: during the reversal (if it happens on asphalt or concrete coating) a very large load falls on the axis and wheels. If there are even minor malfunctions, they can fail, there is an opportunity to ruin the handbrake and brake pads. When driving sideways during turns, the tires are practically burned. It should also be taken into account, and there is a decent chance of damaging the gearbox.
In order to reduce the negative consequences for the car, you need to train on the site with perfectly even coating. If the surface is also a little slippery (wet or ice-covered), will unfold will be easier. For multiple repetitions (without it, it is not necessary) it is better to find a flat earthwide - here the risk to break the car less.
Car Requirements for Police Roll
When performing a police reversal, the car not only can break. There were cases when the car was turned on side or on the roof. The success of the execution of the trick depends not only on the skill of the driver, but also from the state of the car. To succeed successfully, make sure that your car meets the following requirements:
- the engine is located ahead;
- the trunk is unloaded;
- front-wheel drive, or complete;
- the dynamic stabilization system (EPS) is disabled, otherwise it will block the wheels during the rotation;
- tires, suspension, axes, brakes and handbrake in perfect condition.
How to make a police turn on the machine
The car moves along exactly the track / platform at a speed of more than 25 km / hour (on a slippery road enough and 20km / hour). To accurately determine the necessary speed is quite difficult and the driver must rely on his experience and knowledge of the car (only the practice of driving helps learn to "feel the car"). In principle, the higher the speed, the easier it is to take a turn, but something is more likely to damage. By typing the desired speed to perform the following steps (automatic transmission):
- translate the lever to the neutral state and turn the steering wheel to any side until the stop;
- when the car almost took the right position on the track (rotation of degrees at 120), turn the steering wheel in the opposite direction when the car finishes the turn, align the steering wheel and turn on the rear transmission, continue the movement with reverse.
- at sufficient speed, KP is translated into a neutral position;
- the steering wheel is turned;
- after the middle of the reversal, the steering wheel turns out in the opposite direction, the first speed is turned on and the gas pedal is sharply pressed.
Full police reversal. For a more successful development of its implementation, it is possible to work out the sequence and simultaneity of movements, bringing them to automatism, and only then proceed to training. It is desirable to sit next to the driver an experienced instructor, or a man who mastered the trick.
This sequence of actions is given to perform a police turn on the machine. For a car with a manual box, a slightly different sequence:
- at the required speed, squeeze the grip until the stop;
- remove the steering wheel and pull the handbrake;
- after the half of the reversal passed, turn the steering wheel in the opposite direction, release the handbrake, switch the speed and continue the movement.
When mastering this skill, you will need to experiment at speed, calculate the power of the steering wheel. This is the two most common errors when performing reversal. But after such a practice, you will feel much better to feel the car and, in the event of a drift, your chances to align the car is much higher.
