This is just a small thing in this trip, and no one cared about it. As we continued to move forward, the altitude became higher and higher. The contradiction between people was already tiny. The contradiction between people and nature was very small.
, it began to get worse.
The road began to become narrower and narrower.
On the plateau, ordinary people will breathe when walking, and it is difficult to exercise. It is not yet as high as the infrastructure maniac in later generations. Most of the work is done by manpower. Even if you build such a road of ten meters wide, it is still
It is conceivable how difficult it is to pay the price of the lives of many workers.
Now, the semi-trailer tractor is driving on this road, and it was originally thought it was difficult. After all, almost all those walking on this road are medium-sized trucks, with no heavy trucks, and no trailers. Such a large vehicle seems to be coming up.
You will encounter many problems, especially when the car body grows and it seems that it will not be able to pass.
However, the facts are impressive. At the intersections of each turn, the semi-trailer passes easily. The steering of the rear wheels plays a great role. When the car turns to the right, the tires at the rear can turn left.
Just like the rear wheels of some high-end cars, the turning radius has been greatly reduced. When passing through the intersection, it attracted the applause of other drivers. They were not optimistic about such a car, thinking that
Many roads cannot be passed, but they end up being eye-opening.
So many people are asking where the car was purchased, how much it costs, etc.
The old drivers who have been running this route all year round know that danger brings profits. The greater the danger, the higher the profits. The trucks they have on hand have a maximum load of five tons, and such a trailer has a load of at least thirty or forty tons.
If you travel like this, the profit will be seven or eight times that of the original one. How can you not be jealous?
Even Wang Erzhu didn't know that this trip was a live advertisement for the Northern Mercedes-Benz produced by the first machine factory, so that in the next few years, customers on the plateau kept coming to the first machine factory to order vehicles.
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Of course, these are already a story.
It was getting colder outside, and I had already put on thick military coats, and snow began to accumulate on the road.
The truck has been equipped with anti-slip chains. At this time, the power advantage is reflected again, such as uphills and other cars, slowly climbing the hill. When it was Mercedes-Benz heavy truck, Wang Erzhu stepped on it.
The accelerator and the engine crawled up, and the turbocharger made a whistle-like sound, which attracted countless people's sighs.
"This car has such strong power. What is the principle of this whistling?"
"Of course it's a supercharger! With a supercharger, the power is strong, especially when you go to the plateau, where there is a supercharger, the power attenuation is very small." Someone next to you said: "When I change the car, you must
With supercharger!”
In this era, ordinary cars still use naturally aspirated engines. Needless to say, Lao Jiefang, even the Dongfeng 140 and Jiefang 141 still use ordinary engines. In plain areas, there may be no problems.
However, when you go to the mountainous areas, the higher the height, the thinner the air. If the engine cannot absorb enough air, the power will decay. At the current height of 5,000 meters, there is not even half the power on the plain.
Therefore, they dare not overload like the plains, otherwise the car would definitely not reach its destination.
The turbocharged engine is different. It uses a supercharger to inject more air into the engine. Although the power of the plain still decreases by about 10%.
The supercharger is not used in cars, but in aircraft. As early as World War II, the piston engine of the aircraft must have a supercharger, otherwise the power will be reduced sharply when it flies to a high altitude.
How high the aircraft could fly at that time depends on how strong the supercharger was. In order to improve the high altitude performance of the engine, some aircraft used dual-stage superchargers.
Now, on the plateau, supercharged engines are better than naturally aspirated engines.
Cherokee's engine is constantly roaring. Although it is a naturally aspirated engine, its power has been reduced sharply, but it has a large displacement and abundant power reserve. It turns out that it was only 2% used to drive it normally.
It is just thirty, so although the power is sharply reduced to half of the plain area, it is still abundant, which is the advantage of large displacement self-priming.
That's right, if you only say that a naturally aspirated engine is good, it is a false proposition, and the words "large displacement" must be added.
Qin Zhenhua drove a Cherokee in front, and as he continued to move forward, the roles of several people changed again.
When she climbed to a height of 3,000 meters, Nie Qianqian first had altitude sickness. After all, she was a woman and her physical fitness was not as good as a man. Such a place was originally a forbidden area for women.
Nie Qianqian could only sit in the back seat and fell in Zhang Zhong's arms. Qin Zhenhua was willing to be a man of beauty. He drove in front and gave the back to the two of them, which could also increase their relationship.
After that incident, Qin Zhenhua could clearly feel that Nie Qianqian's attitude towards Zhang Zhong had changed. Although family problems still exist, Zhang Zhong was indeed speechless to Nie Qianqian.
But unexpectedly, when they climbed to 4,000 meters, Zhang Zhong also started altitude sickness. So, the two of them were in the back row and became sympathetic. The warm wind in the car was driving, not very cold, and the two curled up.
In the military coat, sucking oxygen and looking at each other weakly, it has a unique flavor.
Qin Zhenhua glanced at the rearview mirror in the car, and saw the two of them holding their heads together, with their faces facing each other, and suddenly became a little jealous. If his wife wanted to follow him, should he agree?
The book friends used the small book pavilion before.
At this moment, the brake lights lit up in front.
"What's going on?" Qin Zhenhua asked after stopping the car.
"The road collapsed!" Wang Erzhu got off from the trailer in front and said to Qin Zhenhua.
Wang Erzhu sat in the truck's cab, standing high and looking far, so he had already seen the situation in front, where a serious landslide occurred, completely blocking the road.
The road collapsed? Qin Zhenhua was also stunned when he heard this news. He was in trouble now.
On the plateau, the air was thin, and people could only walk slowly, and they had to breathe when they said something. Qin Zhenhua got into the cab of the Mercedes-Benz heavy truck, looked forward, and said, "If you wait for the relevant departments to deal with it, I'm afraid it's