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What the difference between automatic and manual transmission, and what is the principle of automatic, thank y

Answers:1   |   LastAnswerAt:2011.06  

Constantine Dodge 
Asked at 2011.06.13 01:11:47
What the difference between automatic and manual transmission, and what is the principle of automatic, thank you ah!
answer jenny brown  Answered at 2011.06.13 01:11:47
Popular in terms of vehicle with manual transmission, automatic two, but also divided into manual transmission (MT), automatic transmission (AT), hand-automatic transmission (AMT), manual / automatic one transmission, CVT five. Among them, the hand-automatic transmission (AMT) is between manual and automatic transmissions between a novel, it's the same gear set with the manual transmission, the difference is through a special electronic machinery sector, with automatic oil from not only save a step on the clutch trouble, but also feel the fun of shifting a manual transmission. Manual / automatic transmission is the one commonly used high-end car transmission, its design and automatic transmission gear is similar, but sideways to block the road block D wave, can be pushed back before pulling the gear automatic switch the driver can enjoy the opportunity to grasp the shifting sense of control. In addition, the new Audi A6L, Audi A4, Mondeo and other models also draws on F1 car design, the addition and subtraction block to set the steering wheel, driver more convenient operation. Continuously variable transmission, is different from the traditional gear transmission automatic transmission automatic transmission, which through two variable diameter pulleys to change the gears ratio, within a certain range, speed ratio gradually changed to avoid the gear shift gear ratio is different from frustrated when the sense of convergence, the driver feel more smooth. Such as the Audi Multitronic, Honda's CVT, Fiat Speedgear and so on. Manual transmission mainly depends on the selection of its level of sophistication, there are two steps can be a simple test. The first step, get in the car, engaged the clutch and shift lever toggle experience the gear is clear, whether the trip short and precise Guadang altogether; the second step, start the car, the feeling in the moving process, the severity level of the clutch , travel the length and level of oil from the point of integration, whether their own habits, and see whether the process of the vehicle shift smoothly. However, the specific choice and use of automatic process, there are indeed a lot of knowledge. Automatic transmission is the most direct power transmission and effective criteria, the impact of a sense of small, smooth, the best feel Shengdang dynamic changes. In practice, options, first look at a few speed automatic transmission, in general, Si Dang is the general design, the six more advanced block. Because the more gear tooth smaller than the difference between, convergence is even more closely, and close gear ratio changes smoothly direct link to bring power, speed increase and shift more quickly. Such as the Shanghai Motor Show exhibition POLO1.6, Touran, adopted a high tech six-speed manual / automatic one transmission, the new Audi A6L even use a seven-speed automatic transmission. Second, to see whether there is movement patterns and snow mode, which can delay shifting Sport mode, the higher the speed of each shift, resulting in better acceleration performance; Snow directly reduce the initial start from the second block torque and slip possible. Power output of an ordinary automatic models depends mainly on the throttle to adjust, if you want fuel, you can light throttle, the brakes less; if the pursuit of power, it is not impossible, through the deep presses on the accelerator, so keep the time shift The best engine speed, the acceleration can still get better results.
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