Mastering the manual transmission (MKP) is the very border that separates a person who just knows how to steer the steering wheel from a real driver. Many beginners are afraid of the โmechanicsโ, believing that it is difficult and uncomfortable, but it is manual control that gives full control of the car in any road conditions. Understanding the principles of transmission It will allow you to not only move from point A to point B, but to do it safely, economically and with pleasure.
Unlike automatic transmissions, where the electronics decide when to switch gears, the responsibility lies entirely with you. Driver. becomes one with the mechanism of the machine, feeling the engine speed and the load on the wheels. This skill, once learned, stays with a person for life, making it easy to get behind the wheel of any car, from an old truck to a modern sports car.
In this article, we will examine the entire learning process: from the theory of the operation of knots to the practice of touching and driving in the city. You will learn how to properly work with pedals, so as not to stall and not to burn the clutch, and what mistakes are most often made by those who have just started their way in the world. manual.
The ICS: What Happens Inside the Box
Before you get behind the wheel, you need to clearly understand how the gearbox is arranged. A mechanical transmission is a set of gears of different sizes that transfer torque from the engine to the wheels. The main task This mechanism is to change the ratio of engine speed and wheel speed depending on the road situation.
The key element here is the grip. This is a node that allows you to break the connection between the engine and the gearbox for a short time. It is thanks to the clutch that you can switch gears on the go or smoothly move from place without creating jerks. Clutch discWhen you press the flywheel, you transmit energy, and when you squeeze the pedal, the connection breaks.
The box itself has several shafts with gears. When you put a lever in a certain position, you connect a specific pair of gears. First transmission has the highest gear ratio, which gives the maximum traction for the start, but low speed. Fifth or sixth. transmissions, on the contrary, are designed to maintain high speed at minimum engine speeds.
Why can't we switch gears without clutch?
If you try to turn on the gear without squeezing the clutch pedal, the gears in the box will rotate at different speeds and will forcefully hit each other with their teeth. This will result in a characteristic crunch and rapid breakdown of the switching mechanism.
It is important to understand that each gear has its own speed range. If you try to drive in fifth gear at a speed of 20 km / h, the engine will work with overload and may stall. If in the first gear to accelerate to 60 km / h, the engine will โroarโ at maximum speeds, which is also harmful.
Positioning of the pedals and preparation for start
The interior of the car with a mechanical box is characterized by the presence of a third pedal on the left. The order of the pedals is always the same, regardless of the brand of the car: from left to right - clutch, brake, gas. Remember this is easy: the left leg only works with clutch, and the right controls the brake and gas.
Clutch. (left pedal) is used to break the connection of the engine with the wheels. You need to press it to the point, with all your feet. Brakes The middle pedal is responsible for stopping and slowing down. gas (right pedal) regulates the fuel supply and increases engine speed. Proper leg setting is critical for safety.
- ๐ The left leg should rest on a special stand (platform) next to the clutch, when the pedal is not used, so as not to create accidental pressure.
- ๐ The right leg is always above the brake and gas pedals, moving between them, but not completely off the floor (the โrollingโ technique).
- ๐ The back should be tightly pressed against the seat, and the wrists of the hands with the arms extended forward should lie on the steering wheel - this provides control over the control.
Before starting the movement, be sure to check the position of the gearbox lever. It must be in a neutral position. neutral means that no gear is on and no torque is transmitted to the wheels. Usually, the lever in the neutral position is freely dangled from side to side.
โ๏ธ Pre-start checks
The most difficult: how to move from place without jerks
Touching from the spot is an exercise that will deafen 90% of beginners. The essence of the process is to synchronize the work of the clutch and the gas pedal. Your task is to smoothly connect the rotating engine with the fixed wheels. If you release the clutch quickly, the engine will stall. If you add a lot of gas when the clutch is thrown, the wheels will turn with a screech.
There is a concept of โmoment of graspingโ. This is the period of the clutch pedal when the discs begin to touch, and the car barely starts moving. On different cars, the point of grasp is at a different level: some cars have a clutch at the top, others in the middle or even at the bottom. This moment can only be felt by practice.
โ ๏ธ Warning: Never keep your car on a slant just by manipulating the clutch and gas for a long time. This leads to overheating and rapid wear of the clutch disc. Use the handbrake to start the slide.
The algorithm of the correct start looks like this: squeeze the clutch, turn on the first gear, slightly add the gas (up to 1500-2000 revolutions), then very slowly start to release the clutch. As soon as you feel that the car is โtwistedโ and ready to go, fix the left leg at this point for 1-2 seconds until the car starts to move confidently, and only then completely release the pedal.
Shifting gears in motion: an algorithm of actions
As soon as the car started moving, you need to switch to higher gears in a timely manner. This is done to save fuel and reduce the load on the engine. Switching should occur smoothly, without jerks with the body of the car and passengers.
The switching process is always the same: you fully squeeze the clutch (quickly and to the end), while releasing the gas pedal. Then confident, but not abrupt movement to move the lever in the desired position. After switching on the transfer, smoothly release the clutch and add gas.
There are approximate speed ranges for switching that are suitable for most passenger cars:
| Transfer | Minimum speed (km/h) | Maximum speed (km/h) | Mode of traffic |
|---|---|---|---|
| I (First) | 0 | 20 | Start, traffic, manoeuvres |
| II (Second) | 20 | 40 | Acceleration, dense flow |
| III (Third) | 40 | 60 | City, overtaking |
| IV (Fourth) | 60 | 90 | Highway, overclocking. |
| V (Fifth) | 90 | 110+ | The track, cruising speed |
When changing gears, the gaze should be directed to the road, not to the gearbox lever. The hands need to remember the position of the lever due to muscle memory. Tachometer (The engine speeds) is your best assistant. Usually switch to higher gear is in the range of 2500-3,000 revolutions, and to lower gear - when they fall below 2000.
If you hear a crunch when you switch gear, then you have not fully squeezed the clutch or the lever did not fall into the groove. Donโt push with force โ return the lever to the neutral, release the clutch, squeeze it out again and try to turn on the transfer again.
Braking and stopping: working with the box
Braking on the mechanics requires the participation of both legs. Unlike the โautomaticโ, where you can just press on the brake, here you need to make sure that the engine does not stall. When you brake, the speed of the car drops, and if you do not switch to low gear or squeeze the clutch before a full stop, the engine will receive a shock load.
When you are in emergency braking, your task is to stop the car as quickly as possible. In this case, clutch and brake are squeezed simultaneously All the way. This allows you to use the maximum efficiency of the braking system and prevents the engine from stalling, leaving you the possibility of maneuver.
When braking before a traffic light or turn, act differently: first, drop the gas, then smoothly press the brake. When the engine speed drops to idle (about 1000 rpm) or the speed decreases to 20 km / h, squeeze the clutch completely and continue braking until a full stop. Only after stopping, transfer the lever to neutral.
- ๐ Always brake in gear until the speed is minimal to take advantage of the engine braking effect.
- ๐ Do not turn off the gear in advance ("roll-in") before turning or descending - this deprives you of traction control and accelerates the wear of the brakes.
- ๐ When stopping on the rise, use the handbrake so that the car does not roll back while you switch your legs to the pedals.
Pay special attention to the engine braking. If you are driving in gear and completely release the gas, the car starts to slow down. This is useful on long descents so as not to overheat the brake pads. In such cases, you can not even touch the brake pedal, but simply consistently lower the gears.
Typical Beginner Mistakes and How to Avoid Them
Everyone makes mistakes in the learning process, but some can be expensive in terms of repairs or safety. The most common mistake is grip-riding. Many beginners keep their foot on the clutch pedal even when it is not necessary. This causes the clutch disc to slip, heat up and burn up a couple thousand kilometers away.
Another common problem is the wrong choice of transmission. Beginners often forget to switch from the first to the second, and the engine howls at high revs, or turn on the fifth gear at a speed of 40 km / h, causing detonation. Listen to the engine.If it works tightly and the vibration goes through the body - the transmission must be lowered. If he's crying, raise him.
โ ๏ธ Warning: Never switch gears unless the clutch is squeezed to the end. This is guaranteed to break the gear teeth in the gearbox.
Also dangerous is the ride "coast" with the gear turned off or the clutch squeezed. In this mode, the car is devoid of communication with the engine, and in case of skid or the need for emergency acceleration, you will not be able to effectively manage the situation. In addition, on modern injection cars, this does not give fuel economy, since the injection system does not supply fuel when braking the engine, and it serves on idle ones.
The main secret of skill is smoothness. Any sudden movement of the pedals or the gearbox lever is stressful for the mechanics of the car and discomfort for passengers.
Don't be afraid to die. This is a normal part of the learning process. If you stop at a traffic light: turn on the "emergency", start, turn on the first gear and go on. Experienced drivers will understand and miss. The main thing is not to panic and clearly perform the worked-out movements.
Do I need to heat up the manual transmission in winter?
Yes, transmission oil thickens in the cold. It is recommended to stand for 1-2 minutes after starting the engine, and the first kilometers of the way go smoothly, without sudden switching and high revs, so that the oil is distributed to all nodes.
Can I switch gears by jumping over one (for example, from 4th to 2nd)?
Yes, you can. This is called โswitching on the pullโ or switching with passes. It is important to correctly coordinate the engine speed and the speed of the car, so as not to damage the synchronizers of the box.
Why does the gearbox lever vibrate at idle speeds?
This is a normal phenomenon for many front-wheel drive cars with a transverse engine arrangement. Vibration is transmitted from the engine through the backstage to the lever. If the vibration is not accompanied by noise or difficulty in turning on gears, there is nothing to worry about.
What to do if the transmissions are tight?
Check the transmission oil level. Also, tight inclusion can be a sign of a clutch malfunction (for example, not fully squeezed) or wear of synchronizers. In the cold season, tight inclusion of the first minutes after the start is the norm.