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What is driving the way?

1, the power source on the way oil

drive mode —- driven by crude oil flows to the bottom hole of said drive.

2, about the car

The so-called drive mode refers to the form of arrangement of the engine and the number of drive wheels, position. Usually vehicles have front and rear two rows of wheels, wherein the rotatable driven directly by the engine, so as to promote (or pulls) the drive wheel is advancing wheels of the car. The most basic classification is in accordance with the number of drive wheels, it can be divided into two-wheel drive and four-wheel drive two categories. Two drive

can be briefly described two-wheel drive: in the form of two-wheel drive, according to the position of the engine and the position of the vehicle drive wheels are subdivided into rear-drive (FR), front precursor (FF), the rear drive (RR), rear center drive (MR) and the like. Currently, two-drive sport utility vehicle and sedan is the most common form of front-engine, rear-wheel-drive layout.
rear-drive (FR) the full name is called a front-engine rear-wheel drive, the drive is a more conventional form. Which is responsible for steering the front wheel to undertake the work of the entire vehicle driven by the rear wheels. In this form of drive, the output power of the engine is delivered to all the drive axle, drives the rear wheel so that the car forward. In other words, the actual rear wheel travel is “pushing” the front wheels to drive the vehicle forward.
Compared with other forms of two-wheel drive type drive, rear-drive a relatively large advantages. When the vehicle is started on a good road surface, acceleration or climbing, the drive wheels with a pressure increased significantly superior traction precursor form. Meanwhile, the use of rear-drive vehicle also has good steering stability and ride comfort, and help extend the life of the tire. In addition, rear-drive arrangement, the cab assembly near the engine, clutch and transmission of a vehicle such simplified arrangement structure of the steering mechanism and the steering mechanism, so that easier maintenance and repair of the vehicle.
Based on the above advantages, domestic BMW 325i, 530i and higher grade imported BMW, BentleyAfter, Mercedes-Benz, safety, and many use more rear-drive luxury sedan in this form.
However, if you buy a sport utility vehicle of motivation was the desire to dash in a real mountain jungle, then we will certainly do not feel bad post, to Zaihen a heartless, the four-wheel drive system configuration and tidy. Because, even in the two-wheel drive vehicle on a good road, slippery road surface or the snow encountered situation is likely to slip and the like, but also more prone to fishtailing phenomenon start to accelerate. Four-wheel drive can prevent this from happening. At the same time, four-wheel drive system has more than two-wheel drive superior engine driving force application efficiency, to achieve better tire traction and steering effective force. Of safety, it may be formed a better driving stability. Four drive

The so-called four-wheel drive, there is an automobile front and rear wheel driving force, the road surface state may be different with the different ratio engine output torque distributed on all the front and rear wheels, in order to improve the car’s driving ability. General use 4X4 or 4WD be said that if you see a car marked with the above words, it means that the vehicle has four-wheel drive capabilities. In the past, four-wheel drive sport utility vehicle but unique, in recent years, a number of high-end luxury sedans and sports cars gradually acquired this configuration.
have four-wheel drive following classification:
four-wheel drive (Part-time 4WD)
This is a driver can manually select between two-wheel drive and four-wheel drive , according to road conditions by the driver, by turning on or off the splitter be varied two-wheel drive or four wheel drive mode, the most common of which is typically four-wheel drive off-road vehicle or SUV driving mode. The most significant advantage is that the driving mode can be selected according to the actual situation, more economical. Used on the highway wheel-drive gear; snow road conditions encountered when selecting four-wheel drive, to enhance the adhesion and handling of the vehicle:
AWD (Full-time 4WD)
This Transmission does not require the driver to select kinds of operation, the front and rear wheels will always maintain four wheel drive mode, the engine output torque during traveling 50:50 on the front and rear wheels to set the front and rear wheels to maintain the same amount of torque. Full-time drive system has a good driving handling and tracking of travel, with full-time four-wheel drive system, you can successfully driving on paved roads covered. But its disadvantages are also obvious, and that is a comparison of waste oil, The economy is not good enough. Moreover, there is no device to control the vehicle tire speed difference, once a tire off the ground, tend to make you stuck in there, we can not move forward. However, this year also developed some intelligent all-wheel-drive system, such as Audi’s quattro, the face of special road, he can redistribute torque, more torque on the allocation without slipping wheel, thus solving the old AWD drawbacks.
timely drive (Real-time 4WD)
using timely vehicle drive system may control the driving mode selected by the computer for the current situation. In normal road, rear-wheel drive vehicles generally the way. Once the wheel slip or poor road surface conditions encountered, the computer automatically detects the engine output torque is immediately assigned to the two front wheels and four-wheel drive is switched to the natural state, eliminating the driver’s judgment and manual operation, application easier. However, compared with the computer brain, slow reaction after all, and in so doing, also they lack the sense of conquest that everything is under control and driving pleasure.
In the face of all kinds of vehicles in the automotive market, shop around, do not forget to carefully consider their actual needs. While bargaining, carefully look at the performance of the drive system and off-road vehicles, to choose the right way to drive the car of your choice is more suitable for your needs.

3, drive

The so-called front engine front drive, front engine means, front wheel drive driving form. This is true only after the 1970s and the rise in technology to improve the driving form, present in most small cars have adopted this form of drive. Which made the transmission and the drive axle is integrally fixed to the engine next to the power delivered directly to the front wheel drive vehicle forward,
with image words, the “pull” the vehicle forward. Rear-drive (FR): the so-called rear-drive means front, rear-wheel drive type motor drive. This is a traditional form of driving, Guangzhou people are familiar with the Guangzhou Peugeot 505 sedan, the latter is typical of rear-drive cars. With this form of drive cars, the front wheelsResponsible for the task of steering, rear-wheel drive undertake the work. Engine output power delivered to the driver through the clutch, transmission, drive shaft bridge, so that the rear wheel drive car forward, with the image of the words, is to “push” the vehicle forward. Situation prone to oversteer when the rear-drive vehicle turning.

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