Set sail1992

Mr. Feng was actually very disappointed with Zhong Ming's depravity.

But disappointment is disappointment. After listening to Zhang Qihang's suggestion, the old man thought twice and decided to have a good talk with Zhong Ming.

After all, no matter what, Zhong Ming was someone I was very optimistic about at the beginning, and he was able to become the general manager of the Bus Group because of his strong recommendation.

Therefore, although Mr. Feng is deeply saddened by Zhong Ming's depravity, from the perspective of Mr. Feng's heart, he still hopes that Zhong Ming can realize his mistakes. After all, for the current Zhong Ming, if he can wake up and rein in time , everything is still in time.

And just when Mr. Feng was thinking about what to talk to Zhong Ming about, and called Zhong Ming to come to his office, Zhang Qihang was looking at the tilt-rotor aircraft used for technical verification with great interest.

Yes, after several years of hard work and research and development, this tiltrotor aircraft of Huateng Group has finally completed the prototype manufacturing work. At the beginning of the design, Konstantin Antonov and Igor Jaro Slavsky learned the lesson that the American V-22 "Osprey" tilt-rotor aircraft is prone to "death crashes", and deliberately designed the engine nacelle to be similar to the "engine short" of the V-280 "Warrior" tilt-rotor aircraft. The structure of the cabin does not move, the rotor tilts", but the design of the vertical tail and the flat tail is more traditional. It does not adopt the V-shaped vertical tail design of the V-280 "Warrior" tilt-rotor aircraft, which is still similar to the V-22. The large flat tail + double vertical tail design of the "Osprey" looks a bit like a mixture of the V-22 "Osprey" and the V-280 "Warrior".

Just in terms of size, the technical verification machine in front of me is too shabby, and its weight is less than one ton!
If you simply compare the size of this technology demonstrator with the V-22 "Osprey" and V-280 "Warrior", it is estimated to be similar to a children's bicycle parked next to a muck truck.

Konstantin Antonov knew how much Zhang Qihang paid attention to this technology verification machine. It can be said that since the establishment of this project, Zhang Qihang has been paying attention to the development process of this technology verification machine. The various data and conditions of this verification aircraft with rotating-rotor technology are already familiar to the point of no familiarity, but despite this, Konstantin Antonov still simply introduced this verification of tilt-rotor technology to Zhang Qihang. The situation of the aircraft: "Mr. Zhang, in the previous static test, our tilt rotor aircraft perfectly reached the original design goal, at least there is no problem with the fuselage structure.

So today's test mainly focuses on two items, namely, the actual operation effect of the tilting mechanism under the power of the aircraft itself and the ground roll test. The most important thing is the actual operation test of the tilting mechanism. "

Zhang Qihang nodded again and again, and then asked curiously: "When will the 'death crash' test be carried out?"

The so-called "death crash" is an extremely dangerous aerial danger unique to the special aircraft of the tilting rotor aircraft. The world's first tilting rotor aircraft: the V-22 "Osprey" of the United States has repeatedly appeared in vertical landings. Sometimes, when the plane was approaching the ground, it suddenly fell towards the ground uncontrollably by the pilot, because the plane was already very close to the ground at this time, and the pilot had not even had time to react to the sudden danger in the air. It had already fallen to the ground, and the plane was destroyed.

At the beginning, everyone couldn't figure out why this strange situation occurred. Bell-Boeing's engineers and expert team suffered a lot of doubts and pressure. Later, through the investigation and analysis of multiple crashes and Only after computer simulation did we understand what was going on with this "death crash": In a word, it was all caused by the unique engine layout of the V-22 "Wei Light" tiltrotor aircraft.

When the V-22 "Osprey" tiltrotor adopts the vertical descent mode, the entire engine is in a "stand up" state. At this moment, the "tail nozzle" at the tail of the engine will eject high-temperature, high-heat, and high-speed airflow to the ground. If it is In the air at a relatively high altitude, this airflow will have no effect on the V-22 "Osprey" tilt-rotor aircraft, but when the V-22 "Osprey" tilt-rotor aircraft is in a state close to the ground, it will form on the ground. A local low-pressure area, and at this time the upper part of the aircraft is cold air with higher density. If the aircraft descends at a higher speed, the lower low-pressure area will always be maintained. Under the action of air pressure, the V-22 "Osprey "The tiltrotor will be pressed to the ground by an invisible hand, and because it is too close to the ground at this time, it is very prone to the tragedy of aircraft crash and death.

According to the calculations of experts from the Bell-Boeing project team, there are two ways to avoid a "death crash". If the lower part of the fuselage does not form such a low-pressure area, the V-22 "Osprey" tilt-rotor aircraft will naturally not crash.

In the subsequent test, it also proved that the method given by the experts was correct: when the V-22 "Osprey" tilting rotor aircraft slowly descended according to the descent speed given by the experts of Bell-Boeing Company, the test aircraft did not There was a crash.

However, although the Huateng Group has already known the cause of the "death crash" of the tiltrotor aircraft, it also knows that in theory, it is mainly to ensure that the high-temperature exhaust of the engine does not spray on the ground to avoid the "death crash" , but the test that should be done is still to be done. The reason can be summed up in one sentence: who can guarantee that the Bell-Boeing experts did not hide something else when they said that the "death crash" failure?

Konstantin Antonov knew how much Zhang Qihang attached importance to the "death crash". Said: "Death crash is the focus of our future testing work, and it is the top priority, but the test sequence of this project is not particularly high, because there are many basic test projects before that... If all goes well If so, it may be possible to carry out in the fall of next year."

"Is it almost next autumn?" Zhang Qihang nodded slightly: "It's still pretty fast?"

"Yes, it's quite fast," Konstantin Antonov responded, "After all, we are just a technology demonstration machine."

"Yeah, it's just a technical verification machine..."

Speaking of this, Zhang Qihang couldn't help feeling a little sad: This is just a technology verification machine.

In the future, if it is necessary to develop a 10-ton or even 15-ton tilt-rotor aircraft, the technical difficulty will be doubled. At that time, the development of various new materials and new processes will be fatal. Now, It's just the first step in the Long March.

Thinking of this, Zhang Qihang only felt that the burden on his body was a little heavier.He shook his head and said to Zhang Jiwen, Konstantin Antonov and Igor Yaroslavsky: "Let's start the test."

Zhang Jiwen nodded, picked up the walkie-talkie and shouted: "Attention all test units, the test work of No. 2 unit will start soon, and each unit will check the personnel and equipment of the unit again to ensure that the personnel and equipment of the unit are in good condition. After the inspection, report to me. Report."

"The monitoring team received it and immediately executed the inspection order."

"The ambulance team received it and immediately executed the inspection order."

"The data collection team received it, and immediately execute the inspection order..."

…………

As the heads of various functional groups responded one after another, the tension in the air began to gradually spread.

Zhang Qihang also unconsciously pursed his lips—even though he knew that today's test was not dangerous, he still felt nervous involuntarily.

....................................

Half an hour later, the two test items were all successfully completed. The performance of the test prototype was very good, whether it was in the ground low-speed sliding test or in the self-power tilt test, it performed very smoothly. When the test ended, Everyone applauded enthusiastically, Zhang Qihang's eyes were red, he hugged Zhang Jiwen excitedly, and said in a trembling voice: "Old Zhang, you have worked hard! You have worked hard!"

"No hard work! No hard work!"

The same red-eyed Zhang Jihong, who was so excited that he could hardly control himself, also hugged Zhang Qihang vigorously, and said repeatedly: "What are we working hard for? Compared with the old predecessors, our research and development conditions and the support given to us by the factory are almost the same as those of our predecessors. It’s like falling into a fuwowo.”

Konstantin Antonov and Igor Yaroslavsky, who were equally excited, agreed with Zhang Jiwen's words even more, and said repeatedly: "Zhang is right, compared with when they were in Russia , Our current research and development conditions and the living conditions that the company has given us are really too much happiness."

These words really came from the heart of the two of them.

Thinking about what I was like before I came to China, and looking at my happy life after coming to China, the two of them, including other experts in the aviation and engine fields of the former Soviet Union, felt that their decision to come to China was really the right one But that's all.

Zhang Qihang was the first to adjust his mood. After hugging Zhang Jiwen, he hugged Konstantin Antonov and Igor Yaroslavsky again with a smile, and said with a smile: "Hehe...well, today is not the time for us to recall bitterness and sweetness, today is the time for us to drink a glass of celebration wine."

As soon as Zhang Qihang's voice fell, he immediately got the approval of Konstantin Antonov, Igor Yaroslavsky and other old Russian experts, and everyone responded loudly: 'Yes!Today is the day we drink celebration wine! '

"Ivan, as I said before, after the test is completed, you have to have a drink with me. Now is the time for you to fulfill your promise."

"Ha... who is afraid of whom?!"

Zhang Qihang secretly laughed in his heart: Sure enough, as long as wine is mentioned on occasions with Lao Maozi, the atmosphere at the scene will immediately become heated.

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PS: Brothers, I’m sorry, yesterday I made a small visit to find Millennium to play, everyone chatted happily, fell asleep after drinking a little too much, forgot to ask for leave for my brothers, please forgive me.