Car knowledge

In fact, now, the car for the individual is not a rare item, talk about the car, then more or less will have some of their own views, from the appearance of the interior engine transmission, etc., but some small places, said It may be known, but the specific words can not tell why, today Xiaobian to collect some interesting little knowledge, with everyone to understand those you know, but do not necessarily understand the place.
Why the front windshield is tilted
The car's windshield will be designed to tilt, so what is the design of such a benefit?
First of all, beautiful, car tilted windshield often give a sprint of beauty, very much in line with the aesthetic of most people.
Reduce wind resistance. Wind fit s13 silvia coilovers resistance for car driving economy and power is very important, tilt the windshield can effectively reduce the car's drag coefficient, improve fuel economy.
Reflective. Car driving, if the glass is designed to be vertical, then the light shines out, reflected through the windshield, a large part of the return will be bound to traffic safety problems, and the tilt can just most of the light Reflected to the air.
What is the meaning of the horizontal line behind the wind?
Many people will be careful to find (a lot of people do not care about it), in the car after the windshield has a straight line, but are not very clear what is the use of this.
In fact, after the windshield on the horizontal line is composed of electric wire, and its main role is to prevent the rear windshield because of the cold weather foggy ice, or snow and other reasons, affecting the driver to observe the rear line of sight, in general Control the place where the defogging button, click will work.
What is the antenna of the car doing?
A lot of people for the car's antenna (that is, the top of the car on the top of the line) is summarized as a radio receiver, indeed this is one of them, but not all, the role of the car antenna is also reflected in the GPS, used To guide people, and the antenna on the police car is also responsible for the role of transmission orders.
How the noise of the car is produced
Car noise is roughly divided into three kinds, the first is the vehicle when driving their own noise, which includes the tire noise, engine noise, and the noise generated by various parts, such noise on people's impact is not large , The second is the voice of the whistle, which is the main source of car noise, chaos whistle in many cities are prohibited, especially in the student examination section. The third is the car brakes, due to the intense friction between the tire and the ground noise, such noise is not common, but the impact is still quite big.