Reduced gear: features and operation

2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:42

Reduced gear allows the SUV to acquire full cross-country ability and the ability to overcome obstacles that are beyond the power of any other car. When it is turned on, the wheels spin at a lower speed, while the engine does not change.

Description

Reduced gear refers to the transmission element and is installed in the transfer case. It transfers torque from the engine to the axles of the driving axles of the car.

Full engine power is achieved at the set RPM, at which time torque is transmitted through the transmission to the drive wheels. Each unit has its own RPM level resulting in maximum torque.

When downshifting is required

Standard gearbox design is characterized by uniform and correct transfer of engine power at different speeds. Tofor example, you can start in first gear at a slightly higher idle, and accelerate to a high speed at several thousand revolutions and fifth gear. Maximum power develops most often in the latter case. With such speeds in first gear it will not be possible to go, and the power will not even reach the average values. It also becomes impossible to drive on a high obstacle: the wheels may slip, and the engine may stall. A similar situation is observed while driving in snow, mud and other difficult conditions. In other situations, such as overcoming a rocky steep road, a careful and slow move with increased power is required.

In cases like this, downshifting becomes especially useful. It has a fairly high gear ratio, which makes it possible to reduce the speed of the wheels and at the same time achieve maximum power. These characteristics provide a significant advantage when approached correctly when climbing a slope with a high angle, off-road and in other difficult conditions.

Operation

Off-road vehicles with a low gear and a lock can be either automatic or manual. Not all cars, especially new ones, have a standard version with a separate transfer box. In its absence, a downshift is activated by buttons or a special lever.

Many full-fledged SUVs do not have a transfer case due to the fact thatit increases the cost of the car and its weight. It is not equipped with some variants of jeeps in order to find the most economical effective solution. Sometimes such a box is missing in older models. An example is LUAZ - its front-wheel drive is the leading one, the connection of the rear one is possible through the gearbox. But in low gear, the car only moves forward, which becomes a significant drawback in certain situations.

Features of use

If the downshift does not turn on, you should slow down the car, but it is best to connect before starting to move. When the clutch is depressed, the corresponding lever is brought to the required position. New cars have the ability to electronically turn on using a special button.

When using this gear, you can not move on a hard surface, as the transmission at this time will have a significant load. To achieve maximum effect, you need to get under way at high speeds. In this case, it is important to monitor the adhesion. Despite the fact that there is a decrease in the load on it several times, due to inexperience, it can be damaged by a sharp lowering after the engine reaches maximum speed.

Downshift has a certain number. With its increase, the car begins to move more efficiently, regardless of the speed.