Before deciding to invite Chen Genglai, the Kuznetsov Design Bureau commissioned the KGB to check the situation of Xirunhua Industry and knew that this Chinese enterprise was still quite rich, and on the other hand, if they did not have enough strength, they did not dare to worry about the crown of modern industry, the aero engine. Pen, fun, and www.biquge.info

Since they are quite rich, and the NK-56 and NK-64 projects of the Kuznetsov Design Bureau have been suspended, is it okay......

"Mr. Chen, can you wait a minute?" Andrei Shamanov eagerly said: "We have a project with a turbofan engine with a large bypass ratio, but I'm not sure if I can tell you that I'll apply now." ”

And such a thing? Chen Geng couldn't help but be stunned.

He only knew that the Kuznetsov Design Bureau had an NK-93 (HK-93) large-bypass ratio propeller fan engine project, which was a paddle fan engine with an external duct, with a maximum thrust of up to 175.65kN, between the 156.96kN of the PS-90A of the Soloviev Design Bureau and the 229.86kN of the D-18T of the Progressive Machine-Building Bureau, but it was a ducted paddle fan engine.

But stunned, Chen Geng immediately nodded: "Of course it's no problem, I'm also very interested in this engine." ”

Andrei Shamanov left in a hurry, and Chen Geng walked slowly in the engine showroom, but his mind was spinning rapidly: Listening to this meaning, it seems that the Kuznetsov Design Bureau is working on a secret project? No, it's unlikely, large bypass ratio turbofan engines can only be used in commercial airliners and large transport aircraft, and this thing is not as sensitive as fighter turbofan engines, but in that case, why have I never heard of this project......

Never mind!

Chen Geng, who really couldn't figure it out after thinking about it, quickly strangled this idea that could drive him crazy: Won't he understand it when Andrei Shamanov comes back? If he could say it, he would definitely tell himself everything he could say, and if he couldn't say it, what was the use of fooling around here?

It took Andrei Shamanov nearly an hour to come back, but after seeing his spring breeze, Chen Geng's heart was suddenly happy: It seems that there is a door?

"Mr. Chen, now that I have been authorized, I can briefly introduce to you the situation of the two turbofan engines with large bypass ratio previously developed by the Kuznetsov Design Bureau," Andrei Shamanov said with joy: "In order to meet the requirements of the new era for aero engines to have greater thrust and at the same time be more fuel-efficient, more economical, and more environmentally friendly, the Kuznetsov Design Bureau has designed two engines, named NK-56 and NK-64, NK-56 is a 100kNN thrust engine, Our design thrust range is 100kN to 150kN, NK-64 is a 200kN thrust class engine, thrust design range is 180kN to 250kN, and now these two engines have completed the technical verification ......"

I see!

In the plan of the Kuznetsov Design Bureau, the NK-56 is the product of the dismantling of the NK-8, and compared with the NK-8 series, the future NK-56 series can be more fuel-efficient and more economical while maintaining the same thrust level, because of the use of a larger bypass ratio;

NK-64 is a 200KN thrust high-thrust engine, and the Soviets' own D-18T, the British RB211, and the Americans' CF6 are a thrust class product, aiming at the installed target of Boeing 747, Airbus A330, Tu-304, An-218 such large, wide-body, long-range trunk airliners. And then......

Chen Geng thought of the NK-44 super-large thrust engine project that was later declassified and started by the Kuznetsov Design Bureau in the late 80s, with a maximum thrust of more than 440kn, and the thrust of one engine is the top of two Boeing 747 engines...... No, I can't think about this, wiping his saliva, Chen Geng interrupted Andrei Shamanov's words and asked: "I roughly understand, I can think that NK-56 is the successor of NK-8, right?" ”

Andrei Shamanov nodded: "The same can be said. ”

"I see, then why did you stop this project? Are you experiencing a technical problem that is difficult to solve? ”

"Of course not, for the Kuznetsov Design Bureau, there are absolutely no technical obstacles to engines of this thrust level," Andrei Shamanov puffed up his chest and looked proud, but the next moment, the whole person was like a balloon that had been punctured, and he choked: "But the Soviets do not need to develop three turbofan engines with large bypass ratios at the same time." ”

"Okay......" Chen Geng looked at Andrei Shamanov with a suspicious expression, with a "I am very skeptical" expression: "So what? What are your thoughts? ”

"If the Supreme Soviet allows, we want to work together to develop these two engines......"

"But you just said that the Soviet Union didn't need three of the same engines, and now you already have D-436, D-18T, and D-90A......" Chen Geng looked at him, with a look of "Are you stupid to me?" "The research and development of aero engines is a bottomless pit of funds, not to mention the technical difficulty in this, even if we tighten our belts and get it out, there is no installation object, isn't this smashing in our hands?" ”

Andrei Shamanov is embarrassed, this is the problem, the technical indicators of NK-56 and NK-64 are indeed very advanced, but not to mention the funds required for research and development, even if we tighten our belts and get it out, a very real question is in front of us: to whom to sell?

The USSR itself definitely didn't want it, China simply didn't have an aircraft with such a large engine, and put it in the international arena to compete with the Europeans and Americans? Forget it, even if you don't mention how closely the Americans and Europeans watch the market, even if they play fair competition with you, your technical indicators are slightly inferior, which is too embarrassing.

"This ...... This ......" Andrei Shamanov obviously didn't expect Chen Geng's words to point to this place, and touched his head in embarrassment: "Someone will definitely buy it, maybe we can participate in international competition?" ”

Of course, there is a way, but Chen Geng will never say it, he frowned and pondered for a long time, before he said slowly: "Mr. Andre, I need to think about it, to be honest, your proposal makes me very embarrassed......"

"......" Andrei Shamanov didn't know what to say, he was full of thought that when he took out the NK-56 and NK-64 two high-thrust engines, Chen Geng would be overjoyed, and the Kuznetsov Design Bureau could also successfully deceive a fool to throw money into himself, but he didn't expect this fool to be not stupid at all, which was too depressing, so he had to say in a sneering voice: "Of course, of course you want to consider ......"

………………………………

"That is, the willingness of the Kuznetsov Design Bureau to cooperate with you is strong?" After listening to Chen Geng's report, Foreign Minister Qian held his chin and looked interested.

There is no way not to be interested, this is the turbofan engine of the American JT8D thrust level, our country has been engaged in a product that has not succeeded for many years, although the NK-8 of the Kuznetsov Design Bureau is inferior to the American JT8D in terms of noise and economy, but this is not important, the important thing is that the Republic really has the opportunity to master the engine of this thrust level, and this is the most important thing.

"Now it seems like this," Chen Geng nodded: "The problem now is the attitude of the Kremlin." ”

"That's right......" Foreign Minister Qian nodded, but did not say anything, but said thoughtfully: "Although NK-8 is the aero-engine technology of the Soviet Union in the 60s, the thrust is still very advanced in the world...... But Xiao Chen, it is impossible for the state to invest money and support you to do this, all the funds have to be paid by yourself, at most it is to give you some policy support, you may only be able to invest for many years, without output and profit, are you sure you still have to insist on doing this? ”

Chen Geng's tone was very calm: "Someone has to do it, the republic can't do without its own high-thrust engine." ”

Foreign Minister Qian's face turned red fiercely, and he slapped the armrest heavily: "Okay!" After a pause, it seemed to feel a "good! The word couldn't express his emotions, and he said heavily: "Okay! Good! Good! ”

Chen Geng said with a wry smile: "Not enough, now it's just wishful thinking on our part with the Kuznetsov Design Bureau, the key is whether the Kremlin can agree, if the Kremlin doesn't agree, it's all in vain now." ”

"It's up to people," Foreign Minister Qian smiled and said optimistically, "I'm very optimistic about your ideas...... Well, in February next year, the Soviet Foreign Minister will come to our country for a return visit, and I guess there will be some news by then. ”

"The Soviet Foreign Minister will pay a return visit to our country in February next year?" Chen Geng was stunned, and then said in surprise: "It's finalized so soon?" ”

"The approximate date has been finalized a long time ago, and this time the specific time is determined," Foreign Minister Qian paused, and said: "When you go back, you write a document, and I will help you send it to the chief, and the chief is also very concerned about your matter." ”

Heads?!

Chen Geng's heart jumped wildly: Who is qualified to be called the head of the thousand foreign ministers?

His mouth was so dry that Chen Geng couldn't help but swallow his saliva, and said with difficulty: "Minister, what do you mean...... It's ......"

"As I just said, our country can't do without its own high-thrust aero engine." Foreign Minister Qian did not answer directly, but what is the difference between this and a direct answer? (To be continued.) )