10 cold knowledge about cars!

When a large number of western cars entered China, it was the time when closed square cars were popular in the West. At that time, the appearance of the car was as brilliant as the ancient "car" in China, so people called the car at that time a car.

2. You can't refuel in thunderstorm weather.

When refueling in thunderstorm weather, the refueling gun is easy to introduce current into the automobile fuel tank, which intensifies the movement of gasoline molecules and causes safety hazards such as fire and explosion.

3. Why is the color of glass water blue?

It doesn't matter if the glass water is blue, just want to tell the user through the color that this is a toxic liquid and should be used with care; Blue is also used to distinguish it from other liquids.

The highway was invented by Hitler.

Hitler felt that ordinary highways were slow, so he built expressways and set up "Imperial Road Company". 1September 23, 933, Hitler's highway plan was implemented. Hitler pointed out that the expressway should allow troops to cross the country in one day, with a width of 34 meters, reflective plates on cement columns, small road slope and large turning radius, which not only facilitates transportation, but also provides necessary conditions for fighter planes to take off and land.

5. The design life of airbag is only 8- 10 years.

In theory, the service life of automobile airbag is the same as that of the whole vehicle, but due to the lack of design standards, the actual service life of airbag is not that long.

Although there is no clear shelf life, the quality of airbags is difficult to guarantee after 8 to 10 years of use.

6. Why do the brakes and throttle go up and down?

The brake and throttle are designed to be one high and one low in order to increase the recognition. Imagine that if they are at the same height, it is very dangerous for the driver to step on the accelerator as a brake.

7. The steering wheel is not round.

At first glance, the steering wheel of a car is round. In fact, there is a steering shaft hidden under the circular steering wheel, which is closer to the driver.

This design can make more space for the driver's legs, avoid the contact between the legs and the steering wheel when stepping on the clutch or braking, and improve driving safety; On the other hand, it is more convenient for drivers to get on and off.

For sports cars with high requirements for car handling, the steering wheel will also be designed to be oval, which will greatly reduce the rotation angle required for turning, make driving more convenient and broaden the field of vision.

8. The length of automobile wiring exceeds 900 meters.

Just like the length of human blood vessels, the wiring length of a car, regardless of size, is unimaginable; Wires connect the electrical equipment of all parts of the car. When you trigger the switch, the trigger signal will approach 900 meters in the car.

9. Cars are the waste products with the highest recovery rate.

After the service life of all precision machinery is completed, the price of its parts is much higher than the product itself. Airplanes and cars are all treasures. Aluminum parts will be processed and recycled, thermoplastics can be processed into recycled plastics, and parts of power/transmission devices will flow to the second-hand parts market.

10 Lamborghini also produces tractors.

Before entering the automobile field, Lamborghini was the leader of tractor production and was called "the king of tractors".