Chapter 451: Lack of rigidity

Many people witnessed the anomaly in the sky, and the representatives of the Russian army who were onlookers recorded the incident truthfully. Pen × fun × Pavilion www. biquge。 info

The first experiment failed, and as a participant in the design of the aircraft, star fruit has an indescribable taste. Failure in the research and development of new products is often inevitable, but this time the foreign phase is a little big, I am afraid that there is also some damage to the company's image?

Pugachev took a deep puff of his cigar, and star fruit noticed the solemnity of his face.

"I'm afraid we will still have to use Russian engines, maybe we have already moved this project to the aircraft factory in Buryatia, where professionals will solve all sorts of problems." Pugachev never doubted Besica's abilities, but she was not omnipotent anyway, and she really had no experience in building airplanes.

Star fruit quickly shook her head. "I'm afraid it's really not about the engine, the previous experiment was very thorough in fuel burning, I'm afraid the problem is still in the overall layout of the aircraft. After all, we changed the engine, and a lot of things needed to be adjusted. ”

"I hope so."

Pugachev set his sights on aerodynamics specialists, who were just as anxious. Nikolaev, a retired veteran expert from Moscow and one of many former Soviet experts who went to Forte in Siberia to make a living, certainly can't compare to Mikoyan, and can do nothing more than replicate the aviation technology of the Soviet era.

Based on this, Pugachev did not hesitate to make accusations. "You're an expert in aircraft manufacturing, and now you're responsible for the flight test, and you have to re-examine the blueprints."

"But ......"

"I don't want to listen to your arguments, now that the experiment has failed, I want you and your people to redesign a new prototype."

Pugachev is also an important director of the company, and he said a lot of things and kept defending, and star fruit was also embarrassed. This accusation is really to say that he had a disagreement with the old gentleman about the wing in the first place. In order to rush the work, in order to complete the reproduction in ten days, perhaps it is because of excessive optimism and eagerness that the effect of haste is not achieved.

She had no choice but to pull the hem of Pugachev's clothes and beg him not to be angry anymore with her big watery eyes.

The experiment was hastily over, and two planes successfully returned, so I hurriedly checked to determine what the problem was.

That night, Daming carried a bottle of vodka and personally entertained Nikolaev in the institute. The two returning planes were parked in the hangar, and the white coats were inspecting.

Received personally by the owner, Nikolaev himself was still very happy. It's also a wonderful thing that I can partner with the future industrial genius at my own age, and there have been no problems with the work for a long time, except for this drone test, which collapsed in the supersonic stage.

Daming filled it for the old gentleman, and naturally poured a small cup of star fruit for himself.

"Peach Blossom, do you really want to drink too? How much alcohol do you drink? Da Ming asked with concern.

"It's okay, I can't stare after you've all drunk." She picked up the cup, poured it down refreshingly, and put on an uncomfortable little face with the pungency of the alcohol.

"Kid, if you can't drink it, don't drink it."

"No, I must drink it in this life." Carambola looked at Nikolaev, "Actually, I should be responsible for the plane experiment, and I am the team leader after all." You shouldn't be criticized, but it's me who should be criticized. Because I looked like a daughter to Pugachev, he didn't want to hurt my pride, as long as I found someone to vent to. ”

After that, star fruit wanted to fill himself with a glass again, but was stopped by Daming.

"Honey, it's enough for you to have a drink, look, your face is already red in just a few minutes."

"It's okay, let me have another drink."

"Okay, one last drink."

Star fruit used Chinese etiquette to toast Nikolaev a cup, which is a small reparation. Sure enough, the amount of alcohol is different for people, and after this glass is eaten, the star fruit doesn't want to try it again, and the spicy feeling is very unpleasant.

In addition, Nikolaev naturally did not want this little girl to take on huge responsibility, anyway, the experiment failed, and it would be good to find the problem and continue the experiment.

The next day, after an overnight inspection, there was no problem with the most worrying part of the engine. Hearing the news, the star fruit in the early morning breathed a sigh of relief. "I'll just say that the strength of China's military industry is very strong, after all, it is the old business." She said to herself, and the Da Ming beside her was also satisfied.

After receiving the maintenance report sent by the worker, she flipped through it in the dormitory.

At this moment, Da Ming was holding Xia Shuangshuang in his arms, and it was not her fault that the plane was experimented, and the two of them squinted at the short report, and all the problems were pointing to the aerodynamic layout of the aircraft.

Carambola sighed and threw the report onto the bed.

"Do you notice the problem now?" Da Ming asked.

"Still skeptical. However, engine problems have been ruled out, and the only thing that may cause the aircraft to disintegrate is probably only one fuselage with insufficient rigidity. ”

What is the lack of rigidity, in short, the strength of the material is not enough. For example, in an aircraft of World War II, if the piston machine dives from the sky at high speed, the horizontal wings are very easy to break, and the wind it faces is too strong. Therefore, the Germans made a major technical innovation to the newly developed rocket jet, that is, the wing adopts a triangular structure.

The early jets had to face unnecessary shudder when flying at high speeds, and this even led to many, many failed experiments.

Soon, the wreckage of the crashed drone was collected and returned as much as possible, and the intact two planes were packed and sent to Ulan-Ude, Buryatia. Nikolaev said: "I already know the design drawings well, and I'm afraid the problem is that there is not enough rigidity, so I have to go there and work with experts." There is also the production of new engines, and we also have to develop suitable models. ”

In this way, the experts and others flew east in a helicopter, and the star fruit did not follow, and there was still a lot to do on the shore of Lake Baikal.

The main material of the aircraft is aluminum alloy, and in domestic experiments, the aerospace material used in the flight to Mach 2.5 is very valuable. They boast of the Earth's escape speed, and the speed of supersonic speed is not a problem. The downed aluminum alloy version, which did not fly at a high speed at the time, and no design problems were found.

So she is also reflecting, maybe aluminum alloy and superduralumin materials are put aside for the time being. How about carbon fiber? The drones of the future countries like this, especially the Yankees use it the most. In particular, twenty years later, the hypersonic vehicles of China and the United States shuttled through the weather at ten times the speed of sound, endured a flight of 1,000 degrees Celsius, and also used special materials containing carbon.

Seeing his sister thinking about such a lofty question as a whole, Da Ming had no choice but to shake his head. She's a genius who always comes up with new ideas after silent thought, so she can't be disturbed.

Of course, I also have a lot of interesting things, such as playing with Xia Shuangshuang.

This is a child who wants to be loved, longing for someone to hold her and even kiss her face. Besides, she was originally quite cute, but under Xu Liangyue's training, the soil girls excavated in the ravines became more and more "Beijing chicks".

Of course, the Cheng sisters like this little sister very much, and her relationship with star fruit is even more lovely.

In the company's dormitory area, everyone lives in a high-end dormitory, which is dedicated to distinguished guests and all kinds of cadres. In the small empty field in front of the dormitory, the Cheng sisters stretched their long rubber bands, and saw Xia Shuangshuang playing traditional girls' games. It's good that she's happy, this smart girl is very promising, being Xu Liangyue's follower, that person is really happy, and she is a computer expert after training.

The sun was shining well, but the temperature was a little cooler but pleasant. Da Ming set up a bench and leisurely watched the girls' games. Cheng Manli is indeed very beautiful, she is a sister, there is a hint of a big sister in being a person, and she is becoming more and more feminine.

Cheng Manxiu is a classmate, doesn't she still have an affair with herself? As the man who took away her first kiss, it felt like kissing star fruit at the time, and it was intoxicating to feel like kissing star fruit, until she woke up and realized that she had kissed the wrong person.

Even if this is the restlessness of youth, she is not unhappy.

"Hey, Yang Mingzhi, why didn't your sister come out with you? Why don't you call her to come and play together? ”

"Still no, she is the person, as long as she invests in research, she will change people. You know, she's a doer, so let her stay in the dorm and do her own research. ”

Da Ming knew what star fruit was doing, and now the girl had paper and pen in front of her, and she tried her best to think about what kind of materials could be made to make the plane stronger, and also lightweight. Thinking about what else can be, carbon fiber plastic is probably the most feasible. It is true that it is more expensive than aluminum alloy, but it is much cheaper than aerospace materials.

After much thought, she slammed the door open.

"Brother! I decided that we needed CFRP as a material to strengthen the structure of the aircraft fuselage. ”

Da Ming looked back and was stunned for a moment, his sister really deserves her name, but what is this CFRP? But I won't object to it, I'm afraid this is another great thing. "Okay, I'm all for it." He walked up to his sister and took his little hand. "You've been thinking about it for a long time, now come out and breathe. You see, several of your older sisters are playing, so come with them. ”