Chinese Entertainment for Engineering Students

Chapter 373 Wang Fei's Test Flight

Busy, setting up tents, building camps, test flights, collecting data, the laptops at this time have just changed from laptops to notebooks.

That is, from the size that needs to be held on the knees to the size that can be held with two hands, LCD screens have also become popular, but the screens are still black and white, and the refresh rate is even more urgent. When the screen is scrolled, you can see obvious residual traces.

Wang Xu bought this type for the experimental team. Although the configuration is lacking, the price is very scary. The price of a machine is close to 30,000 yuan, which makes Wang Xu almost vomit blood.

The development of laptops in the future can be said to be changing with each passing day. Until Wang Xu came over, it was still one of the most important electronic products on the market.

And now, it should be said that it is the first outbreak period of laptops. This outbreak first started in the West. Their mature business and the emergence of a large number of office software have made mobile office a fashion that combines efficiency and fashion, and quickly swept the market.

Wang Xu is certainly not trying to keep up with the trend. The domestic use of computers for office work has just started. Although many departments have bought computers, few people can use them. Many of them are just decorations.

However, for those who do scientific research, this kind of thing is a magical tool for the wild. It is such a pleasant feeling to be able to process data outside.

Hmm? Why do I feel that I have contributed to the prevalence of 996?

Wang Xu's notebook has already used lithium-ion batteries. This is a product that is still in the experimental stage. The battery cell standard is jointly formulated by Shuimu and the Nonferrous Metals Research Institute. It is slightly different from the standard battery. The size is, um, 18650, which is larger than the No. 5 battery.

This 18650 battery that appeared in the previous life was actually formulated to adapt to user needs when lithium batteries were not fully mature. It is not a special standard that has been carefully calculated.

But this size also accidentally avoids the embarrassment of people mixing it with ordinary batteries, because lithium-ion batteries are relatively safe and need special charging protection circuits to be packaged together. The circuit of nickel-metal hydride or nickel-chromium rechargeable batteries cannot be used.

Moreover, the voltage of lithium-ion batteries is generally higher, reaching 3.6 volts, which is much higher than the 1.5 volts of ordinary dry batteries. If the two are the same size, mixing them will cause trouble.

Fortunately, there is no industry standard for lithium batteries at this time. Standard batteries can be made in any way. So we can start from scratch. From flat thin batteries to cylindrical batteries, as well as various supporting protection circuits, standards have been set.

For this matter, Shuimu and the General Research Institute of Nonferrous Metals have spent a lot of effort to develop a series of standard sizes and finally submitted them to the National Standards Association.

In fact, after the popularization of smart phones in the future, most lithium batteries will become customized sizes, which will be directly customized according to user needs, which has also raised the threshold for producing mobile phones.

But it is not that time yet. Now only Xiaorizi and Huaxia are producing in small batches. If this thing wants to explode production capacity, there are many things that need to be solved. Let alone other things, I don’t know how many difficulties there are to overcome in obtaining the raw material lithium carbonate.

Even if there is mass production technology, it will take until the next century to really climb up production capacity and complete the layout with China.

Of course, there is no problem with Wang Xu using some here. Except for being expensive, there is no other problem.

Industry is like this. A single move affects the whole body. It is really difficult to make a breakthrough. In the past, China had kept a low profile for 30 years, and completed the industrial upgrade of the entire China. Only then did it rise to the sky in the next ten years.

It even made people wonder how everything suddenly became so high-end in a place that had been producing rubbish for the past 30 years.

In fact, this was the result of the all-round reserve of talents, funds, equipment, technology, management, and policies in the previous 30 years. It took advantage of the financial release of various places after the economic crisis to take advantage of the situation.

All Wang Xu could do was to make these preparations more adequate. For many things, if you want to appear ahead of the times, the price you pay may be more than the gain.

Wang Xu watched the test pilot flying, and Li Guoqing even got one to fly it himself. In fact, there is no need to be so strict with drones. It’s just that this thing is not mature now, and the remote control is still different from flying a real plane.

Therefore, Li Guoqing could only fly a few actions under the guidance of the test pilot, but this also made this man who hadn’t flown a plane for a long time very happy.

Sometimes men's happiness is really simple, and operating machinery is definitely one of them. Haven't you seen that an excavator can attract a bunch of people to watch?

It's even better if it can fly. Drones are so popular in the future because they hit this nerve of men. That is, China has many restrictions and most places do not allow flying. In the ugly country, all men who love to play have played before.

Today, he had enough fun, so he could stand by the side and watch a group of men busy hand in hand with Wang Fei.

He came to relax, not to work. After breakfast, he would go to Mogao Grottoes for a visit. There was a car to take them there. At this time, a letter of introduction was needed to visit there. Of course, Wang Xu couldn't do without this thing.

He was a member of the Imperial Capital Painting Association. Since she won the Young Artist Gold Award, he was also a well-known newcomer in the painting world. In addition to his unique background, it was easy for him to get a letter of introduction to come to collect folk songs.

In fact, she and Faye Wong can even reimburse the money they spent on collecting folk songs. The system of artists collecting folk songs has not been completely abolished yet. Some artists of certain status will reimburse the transportation costs of collecting folk songs everywhere.

Later, this system was abolished, and the association's senior leaders organized groups to go to various places to collect folk songs, which completely lost the original flavor of collecting folk songs.

In the past, various associations were official organizations. Later, they were criticized and changed to semi-official and semi-private. As a result, after a group of people stole high positions, they felt worse than before.

As for those real folk organizations, except for the small-scale self-entertainment ones, the others are basically all scams. Apart from other things, you can look at the various strange awards in various places now. Basically, whoever gives more money gets it.

The gold content of various awards in China in the later generations is not high, which cannot be said to have nothing to do with the illegal construction during this period.

Wang Fei is not interested in airplanes. She is more interested in what the airplanes take. At this moment, she is watching a small TV next to her. The TV signal on it is transmitted back by radio. Although it is black and white, it is enough for her to have fun.

"Fly a little to the left, fly a little to the right, yes, yes, that's it, stop, don't shake, go a little further." Wang Fei shouted without hiding her excitement.

The pilot operating the drone was called Luo Ji, a young man, a flight trainee from the capital. This guy should be a fan of Wang Fei, and he asked Wang Fei and Wang Xu for autographs as soon as they met.

Now working with his idol, watching him jump like a child, I don't know if his dream has collapsed.

Maybe everyone has voyeurism. Wang Fei suddenly found that there seemed to be a house in the camera, so she quickly asked Luo Ji to fly over,

and then took the remote control of the camera to turn the lens, and then pointed it at a family in a ditch to see the Spring Festival couplets at the door of the family.

"Can you zoom in a little more?" Li Guoqing's voice suddenly rang in Wang Fei's ears, startling her. She turned her head and saw Li Guoqing staring at the small screen.

"Well, it's OK. Look, just click this." Wang Fei rarely acts as a teacher, and teaches Li Guoqing how to operate the camera very enthusiastically.

"Can this thing determine specific parameters?" Li Guoqing looked at the clear image in front of him, and suddenly turned his head to ask Wang Xu. Wang Xu squatted beside them, happily watching his wife playing with the camera.

Wang Xu especially likes Wang Fei's innocent side, which is a kind of pure beauty that makes people can't help but hug him and rub him.

So, whenever Wang Fei encounters something she is interested in, he always teases her to play, just to see her childlike smile, and her eyes are particularly bright at that time.

"It can be calculated roughly, and can only roughly determine the direction, not very accurate. It depends on how far the drone flies. The farther it flies, the greater the error.

The current distance is calculated based on the starting point, relying on electronic gyroscopes, altimeters, angle meters, compasses and other things, and the error may be about ten meters." Wang Xu understood Li Guoqing's meaning in seconds, but still explained with regret that these are just some compromises. If you really want to accurately locate, you still have to rely on Beidou.

At this moment, China's Beidou has just passed the demonstration stage, and it will probably take a few years to be truly implemented. Shuimu is very involved this time, because micro-mechanics, semiconductor lasers and other technologies will be used in the system.

It may be a little earlier than in the previous life, but it will definitely not be too much. Generally speaking, it is still the same. This kind of crown jewel really needs the entire crown to be built before it is feasible.

"This is also very good. It is enough to guide artillery. How far can this thing fly?" Guiding the direction of artillery is originally an indicator that reconnaissance aircraft need to complete. Isn't this thing the most ideal thing for front-line reconnaissance?

"Well, it can only fly a few kilometers at present, no more than ten kilometers. There are still many limiting technologies. Communication, battery capacity, and computing power are not enough. It can only fly closer and require a lot of manual intervention." Wang Xu was quite confident when he started to work on this thing, but he really realized that now he can only make do with it.

"Well, I see. This thing is a good thing. Why don't you get a fixed-wing one?" Li Guoqing was very surprised. Most aerial photography is now done by fixed-wing aircraft. Not many helicopters are used, so even the content shot in the West is the same.

"It is better to be able to take off and land vertically and hover in the air for filming. I heard that the higher-ups are studying fixed-wing aircraft for reconnaissance. You have to go and ask them." Wang Xu revealed a little secret that was not a secret.

After playing for a while, the plane was running out of power. Luo Ji quickly flew the plane back. Don't underestimate this thing. The cost of one is at least more than 100,000 yuan. It is not a Taobao product that flew around in the previous life.

Let alone the high-strength T1400 carbon fiber above, there is no mass production at all. There are only a small number of laboratory products now, and it is at least a few years away from large-scale mass production. Except for Wang Xu's cane, the rest are almost all on these helicopters.

If it really falls, even Wang Xu will feel distressed for a long time.

High-strength carbon fiber cannot be mass-produced at all now, but slightly lower ones can be. Why? There are all aspects, including the purity of raw materials, machining accuracy, testing capabilities, and even the proficiency of workers, which all have a huge impact on the production line.

Even the production line for producing lower-strength carbon fiber took half a year to debug.

This is the only way to basically stably produce T800-level products, but this is already world-class carbon fiber. Even Xiaori can only mass-produce something similar to this, and Xiaori, no matter how strong it is, has only come out of the laboratory.

As for the ugly country, well, it is on par with Xiaori.

So, in this life, although China has not announced it, Wang Xu does know that T1400 is the strongest carbon fiber in the world.

This thing is a product that only appeared in China after the 21st century, and it was upgraded from T300 all the way, but this time, it is the other way around.

The upper level directly took away the T800 production line, and T500 and T300 were opened to the public. For example, the brother in Shandong who specializes in producing fishing rods spent a lot of money and directly introduced the T500 production line.

In fact, the civilian market for carbon fiber is also very large, although it is far less than steel and aluminum, which can be used everywhere.

But it is particularly popular in the field of sports equipment. After all, this thing is light and strong, especially suitable for sports equipment, from clubs and rackets to rowing and cycling. Almost everything that needs equipment can be considered.

However, Wang Xu did not plan to do anything in this field. Although his Wangchao clothing occasionally releases one or two sportswear, the main focus is still on leisure and youth style, which can make people run, play basketball, sing rap, etc. Who says that overalls are not sportswear?

Wang Fei put away the remote control and small TV with some regret and put them in a special box. These are specially designed for drones. Each has a special storage device. She has put them away several times and can be said to be familiar with them.

After packing up, Wang Fei pulled up Wang Xu who was squatting on the side.

"Ouch, my legs are numb." Wang Xu squatted and chatted with Li Guoqing, and didn't pay much attention. As a result, his legs were numb. He held Wang Fei to stand up, grinning and enduring the numbness slowly.

Wang Fei put her arm around Wang Xu's waist, smiling as she watched Wang Xu suffer, but she didn't let go at all, helping Wang Xu with human support.

Wang Xu's legs were numb, but his hands were not, so he took Wang Fei into his arms. She was wearing thick clothes, but he could still feel the softness of her body. Holding her in his arms, he felt full of happiness, and the numbness in his legs felt a little lighter.

——

(See you tomorrow)

Chapter 377/436
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Chinese Entertainment for Engineering StudentsCh.377/436 [86.47%]