Regarding Lin Hongfei's visit to Russia at the invitation of the Tupolev Design Bureau and the Soloviev Design Bureau, the Ministry of Foreign Affairs and relevant national departments did not set any obstacles. On the contrary, all departments cooperated with each other.

This time, the damn Americans and Europeans were not authentic in their work, and they even dared to interfere in the Republic's telecommunications industry. Once they disagreed, they even dared to use this method to suppress the Republic's enterprises. Many leaders were also very angry.

Everyone understands what Lin Hongfei means: It is naturally good to be able to get some good things from Russians. Even if you can't get good things from Russians, it is good to take a chance to warn Europeans and Americans, and to lower the prices of A320 and Boeing 737 by the way. The country has very few foreign exchange reserves, so spend less as much as you can.

But it is difficult for the country to come forward in this matter. Although everyone understands that Lin Hongfei must have the support of the state when doing this, if the country does not come forward or speaks, the matter will have room for improvement. If the country also comes forward, then the matter will be bad. For example, now, there are no officials from the State Administration of Civil Aviation for those who go to Russia at all, and they are all from Guqi Provincial Industrial Manufacturing Co., Ltd.

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Lin Hongfei and his group who arrived in Russia took a special plane. The first stop of the visit was the Tupolev Design Bureau. This time, not only did the Kremlin send a specialist to accompany him, but Alexey Tupolev, the chief designer of the Tupolev Design Bureau, tried his best to sell their Tu-154 to Lin Hongfei... Obviously, the Russians have tasted the sweetness of the transfer of Tu-134 aircraft.

In the face of Alexei Tupolev's sales, Lin Hongfei didn't buy it much. He shook his head apologetically, "I'm sorry, Mr. Tupolev. I've disappointed you. Tu-154m is indeed a good aircraft, but this aircraft does not satisfy me in many designs, and it also has many shortcomings in terms of convenience of maintenance. In addition, the three releases of the tail of Tu-154 are really..."

Lin Hongfei shook his head, saying nothing about it: Which master came up with a weird idea at the layout of the three-engine at the tail? Did this guy not consider the center of gravity when designing the plane? Or did he think that all three engines were placed at the tail and the tail was heavy, which would help the plane lift the front wheels when taking off?

Lin Hongfei didn't say this. For example, many wire interfaces on the tu-154 do not have anti-fault plugging designs, but are just square interfaces. You can insert them in front of you, and you can insert them in reverse, and you can insert them in obliquely... Every time you do such excuses to maintain, it is the most troublesome time for the maintenance staff, because you are not sure whether you have connected the connector correctly. But once you connect the connector wrongly, you can easily have serious flight accidents. Among the previous serious flight accidents in the Tu-154 series of aircraft, several of them were caused by this reason.

The interface problem is only one of the reasons. Another very fatal problem is the inconvenience of maintenance. For example, the Boeing 737 and Airbus A320 with the same carrying capacity as the tu-154 aircraft, the main maintenance points have special maintenance windows, which is very convenient, but the tu-154 is not enough in terms of humanization. Sometimes maintenance personnel need to drill in and out like a mouse. Not only is the maintenance efficiency not high, but the working intensity is not small.

The reason why the Tu-154m series passenger aircraft eventually retired from the Republic's civil aviation is not because of the poor safety of this aircraft. It is not because of the trembling takeoff or something. The real reason is because the Russians cannot keep up with the after-sales service, the spare parts and consumables required for aircraft flight cannot keep up, which leads to the plane's lying on the ground and unable to take off. This is the fundamental reason why the Tu-154 was launched from the Republic's civil aviation system.

"Yes, yes, we have recognized this problem, and we are now making improvements," Alexei Tupolev nodded repeatedly, with a sincere expression. "Now we are developing a new generation of aircraft based on tu-154m: tu-154m2, tu-154m2 is an aircraft that we have learned some previous experiences and lessons..." Speaking of this, Alexei Tupolev smiled a little proudly, "Although tu-154m2 is an upgraded aircraft of tu-154m, the entire aircraft is almost completely new and can be considered a brand new model."

"tu-154m2?" Lin Hongfei couldn't help but be stunned when he heard Alexei Tupolev say this, "Why didn't I remember that there is such an aircraft in the Tupolev Design Bureau?"

Of course, this is actually a very euphemistic statement. The real statement should be: Your Tupolev Design Bureau still has money to build new planes now? But it would be too ugly to say this. Lin Hongfei naturally would not make such a naive mistake.

What Lin Hongfei meant, how could Alexei Tupolev not hear it? He smiled awkwardly, "We just completed the model manufacturing work of tu-154m2, but we are now facing some difficulties in funding."

It turned out that he was planning to invest himself, but Lin Hongfei finally understood what Alexey Tupolev meant, and nodded with a smile, but did not speak.

Mr. Ma came with Lin Hongfei this time. Hearing the words, his eyes lit up and asked, "Since that's the case, what about the model you made? Can we visit it?"

"Of course." Alexey Tupolev was overjoyed. He was afraid that Lin Hongfei and others would not be interested in the improved tu-154m2. If that were the case, he would be in trouble. Since they were interested in this, it would be natural that everything was easy to say. He picked up the intercom and said, "Prepare a car, and our friends from the Republic will go to Research Institute No. 3."

Lin Hongfei frowned slightly, but now that things have come to this, it is useless to say anything else. After hesitating for a while, he still said nothing... Similarly, he was a little curious about what kind of plane this tu-154m2 that he had never heard of before?

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"Is this the tu-154m2 you developed?" In the No. 3 Research Institute of Tupolev Design Bureau, Lin Hongfei looked at the full-size model of the aircraft in front of him, and was extremely surprised.

The tu-154m2 in front of me somewhat subverted Lin Hongfei's perception. This aircraft, oh, no, it should be said that this full-size model has basically no longer the appearance of the tu-154 series aircraft. The iconic high flat tail of the tu-154 series aircraft has disappeared, and it adopts the same conventional low flat tail as the Airbus A320 and Boeing 737 series aircraft. Even the layout of the three engines at the tail is gone, and replaced by two large bypass engines that are in line with the current international mainstream and are hung under the wings... The Russians actually created a large bypass engine with high thrust? Lin Hongfei was a little surprised.

Judging from the size of the engine, the engine is not d-18t, d-18t, and it is even larger; it is also not d-36, and the volume of d-36 is not that large, is this?

"This is the latest engine d-90a of our Soloviev Design Bureau," he took this opportunity to follow the chief designer of the Soloviev Design Bureau, and introduced Lin Hongfei. "The fan diameter of the d-90a engine is 1.9 meters, the bypass ratio is 4.8, and the maximum thrust can reach 171kn. Two D-90a engines can reach the thrust that only three D-30 pants engines can have. It is the main engine of our Soloviev Design Bureau."

It seems that the Soloviev Design Bureau is also trying hard to sell the d-90a engine to Lin Hongfei. At this moment, he spared no effort. "Compared with the d-30 pants engine, the weight of the d-90a engine has increased by less than 500 kilograms, but the maximum thrust has increased by 70%. After strengthening the wing structure, it can be hung under the wing, just like the Airbus a320 and Boeing 737."

Sure enough, after hearing what Pilm said, Lin Hongfei suddenly became interested: d-90a? If he remembered correctly, it should be the ps-90a later? Boss Lin immediately asked Pilm with great enthusiasm, "Mr. Pierm, can you introduce this d-90a engine to me in detail? Well, especially the research and development process."

"Of course, of course," Lin Hongfei was interested in the d-90a, and Pilm naturally couldn't find it. Although the problem of technology transfer was not considered, there was no problem in selling it. "D-90a was first developed in 1979, started ground interviews in 1984, conducted flight tests in 1987, passed the national test drive in 1991, and obtained a certificate of airworthiness in March 1992. By the beginning of 1993, it had accumulated more than 20,000 hours of operation, and no major failures were made, proving that this was a very reliable engine, and a major modification was made in the first half of last year."

"Modification?" Lin Hongfei frowned obviously, as if he was very confused about this modification.

Seeing Lin Hongfei's expression, Pilm's heart suddenly shook! There is no way, the current Russian military aviation industry is fine, and the civil aviation industry is living a hard life. He hurriedly explained, "The main reason is to adjust the engine's Fujian and pipelines. The original engine accessories and pipeline arrangements are a bit disordered, which is not conducive to maintenance. The purpose of the change is to improve reliability and maintenance." (To be continued...)
Chapter completed!