If history develops normally, Chen Xu can wait for 40 years, and he can naturally see the rise of the national aviation industry again. Pen & Fun & Pavilion www.biquge.info

But Chen Xu couldn't wait that long, he was in his sixties at that time, and it was better to act in advance to reorganize the motherland's aviation industry, which had not yet started.

This is not just to take foreign technology to use so simple, if you can successfully get a full set of aviation technology, the country's 600 majors related to this, nearly 10,000 supporting manufacturers will benefit from this, the spillover effect of science and technology generated by aviation can significantly improve the modernization level of China's industry.

In order to allow the country to obtain aero engine technology in advance, Chen Xu did not hesitate to come up with the technology of the V22 Osprey tiltrotor, which is the crystallization of the aviation technology of the United States in the future, and the United States in 80 years got the world's most cutting-edge aircraft technology in 40 years, so that the aircraft manufacturing level of the United States in the United States has been saved for 40 years, and I don't know what kind of butterfly effect it will have, maybe the Americans will make an aerospace plane in 40 years.

But the deal was worth it, and China got the most advanced aviation technology 40 years ahead of schedule!

In the preliminary negotiations, the Chinese negotiating team asked the United States to provide all the research and development technology of the latest Pratt & Whitney F110 engine, including all the research and development processes, experimental data, processing materials and so on of this engine over the past few decades.

That is to say, every data in the process of US imperialism from the F110 project establishment, research and development, and mass production must be handed over to China, and only then will Chen Xu agree to hand over the Osprey.

In this way, in fact, the aero engine is the ultimate goal of this technology-for-technology agreement, and the Valkyrie is actually just a partner!

When the Chinese negotiating team was negotiating with the United States, it did not decide which strategic bomber it wanted, so it only chose the F110 engine as the main bargaining chip in exchange.

But after deciding to bring the Valkyrie back to China, Chen Xu's mind turned, and he had an excuse to introduce an advanced bomber engine, and when Chen Xu asked to replace the Valkyrie with a third-generation high-thrust engine, I believe that the US imperialists would not be able to refuse, after all, the Valkyrie still uses the technology of the sixties, and it is indeed time to upgrade.

Because there is already GE's F110, Chen Xu will certainly not be stupid enough to introduce GE's aero engine!

Because the core engine of an aero engine has three major components: a high-pressure compressor, a main combustion chamber, and high-pressure turbine blades. There won't be much change in these three things, no matter how you improve the engine, such as increasing thrust to become a bomber engine, or a larger gas turbine, it is all based on the three major components.

This also means that in the development of an aero engine, as long as the design of the three major components is completed, then the aviation engine is basically 90% successful, and the remaining details only need to be improved.

Chen Xu is a greedy person, and the strategic bomber can only choose one Valkyrie, because the state has limited funds, and it is impossible to just reverse study multiple bombers at the same time. But Hangfa is different, as an industrial system, tens of thousands of fields need to participate in high-tech, of course, the more the merrier, this thing is to smash the pot and sell iron!

So he wants to get one more American imperialist engine, even if he can't get all the design drawings like the F110, but it is good to introduce it as a reference. Not only the American aviation engine, in the future, Chen Xu will also find a way to engine the aircraft engines of the United Kingdom, France, and the Soviet Union, absorb the strengths of each family in an inclusive manner, and then develop the flower family's own aviation engine, anyway, it is all copying homework, why not copy the best?

It's just that there are only two third-generation military high-thrust engines of US imperialism:

An F100 from Pratt & Whitney, which became a supporting engine for the F15 and F16 that year, made Pratt & Whitney a lot of money, and the stock rose a lot.

The other one is General Electric's F110, this engine is not so good, he is only an alternative engine for F15 and F16, all in all, he is a spare tire! The F15 exported by US imperialism to South Korea and Singapore uses this spare tire as the power system. In addition, a considerable number of export F16 are also equipped with this spare tire, the most important thing is that the F2 developed by Japan on the basis of F16 is also powered by this engine.

Spare tires don't exist in the first place! Because according to the military's plan, Pratt & Whitney is responsible for developing the power system of the third-generation fighter, that is, the F100, while General Electric is responsible for the power system of the latest generation of US imperialist bombers, that is, the F101 for the B-1A.

Here we can see the number of the aircraft engine given by the US imperialists, 100 for fighters, and 101 for bombers, and the two engines were established almost at the same time.

But the B-1A, a high-altitude and high-speed bomber, like the Valkyrie, was born at the wrong time and could not break through the Soviet air defense system, and was ordered to dismount by Congress. General Electric is really a dog, the order for the bomber is in vain, and the F101, which took more than ten years to develop, has no possibility of installation, and has become a bunch of expensive furnishings.

Fortunately, the quality of the F100 engine produced by Pratt & Whitney was not good, turning the F15 into a hangar queen, unable to form combat effectiveness, and the Air Force was resentful of a bunch of fighters that could not be driven, and wanted to tear Pratt & Whitney alive.

GE sees hope! On the basis of the F101, the R&D forces were immediately concentrated and the F110 suitable for fighter aircraft was developed. So the US Air Force has two optional high-thrust engines, which is where the spare tire comes from.

The successful development of the spare tire made General Electric realize that the development of fighter power systems is the mainstream, and if the guys from the Ministry of Defense are led crooked to engage in bomber power systems, they will definitely be tossed to bankruptcy. Soon, GE once again built on the F101 engine and created a more powerful F404 engine.

Because it is a late strike, the technical level of the F404 is much higher than that of the previous two engines, and of course, the price of this product is also the most expensive $2 million. The powerful thrust and stability of this engine have been regarded by the Navy as the power system of the F18 Hornet.

From here, it can be seen that Pratt & Whitney has only had one type of engine, the F100, because of the smooth wind and water from the beginning, and the stability is extremely poor, and parts are often sprayed.

General Electric came from behind, based on the three cores of the bomber's F101, developed the spare tire F110, and the current most advanced F404. It can be seen that as long as the three core components are good, a variety of models of engines suitable for various types of aircraft can be derived on this basis.

Although the spare tire is not very popular, it is now the best engine in the family of the United States, and the performance is also the most stable. This is also why Chen Xu chose the F110 as a spare tire in the technology-for-technology agreement. The quality of the F100 is very unstable now, and the foundation of the aviation industry is too thin, and it is really a brain show to take an engine with spray parts to go home.

However, although the F100 is not good now, it is also an aero engine that Pratt & Whitney spent more than 20 years to build, and the technology of the three core components is no worse than the spare tire!

With Chen Xu's character of liking to take advantage of small advantages, since he has obtained all the technology of the F110 spare tire, the F100 should not be missed. So he was going to let Hewlett-Packard develop a high-thrust engine for Valkyrie on the basis of the F100.

In this way, the flower grower can rely on this excuse to get the three core technologies of F100. Then Chinese scientists will be able to learn a lot of valuable technology by studying the changes inside these two engines with completely different structures.

The larger the volume of the engine, the stronger the thrust can definitely be, such as the large duct developed by General Electric than the GE90 civilian turbofan engine, the thrust has reached an unprecedented 56 tons, but because it is too large, it is larger than a fighter jet, and can only be hung on the wing of a large passenger aircraft such as Boeing 777.

Because of the small size of the fighter, it can only use an engine with a small bypass ratio, and try to increase the thrust on the basis of the small engine. For example, the F135 engine used by the F35 has reached a thrust of 18 tons, but even the United States has technical limitations, and can only barely reach this technical index by making the engine duct larger. That's why the F35 is called 'Fat Electric', because it's really ugly and fat. The F35 sacrificed the aerodynamic layout for stealth, but the American Emperor has a high-thrust engine, and the thrust is so large that the bricks can be pushed into the sky, so the problem of poor aerodynamic layout is covered up.

Valkyries are large bombers, and the engines that can be stuffed in the back of the butt are certainly much larger than those of fighters, and can be powered by engines with larger bypass ratios, and it is not a big problem to reach 20 tons of thrust per engine.

But it is not that the bigger the engine, the better, the bigger the engine, the heavier, the greater the resistance in the air, the large thrust obtained is all offset by the resistance and weight, the economic benefits are not necessarily cost-effective, for the commercial engine is not too large is the most suitable, the diameter of the engine is the highest efficiency and the most fuel-efficient.

The more extreme rocket engines, such as the Saturn 5 rocket carried by the US imperialists to the moon, have a total thrust of 3,400 tons, which is big enough! But most of it is used to load fuel, and the real carrying capacity is only more than 100 tons.

Everyone watched the rocket launch tail flame on TV, which looked spectacular, but in fact it was the heat energy after the fuel combustion and expansion, most of which was sprayed out and wasted, and the fuel utilization efficiency was very low.

In order to obtain high speed, military jet fighters inhale a large amount of air to heat and expand during acceleration and then spray it out, so as to obtain huge thrust.

However, when the jet force is larger, the heat energy generated by the combustion and expansion of air and fuel is rapidly sprayed away, and the combustion efficiency will become very poor. For example, F15, F14, Su-27, these third-generation fighters will generally only choose to accelerate to supersonic speed to escape when they encounter an incoming missile, because as long as the afterburner is turned on, it is equivalent to making the engine spray more powerful air, and the fuel in the tank will soon run out, and then the driver will get a 'low fuel' prompt.

The reason why the F22 is called the fourth-generation aircraft is because the F119 engine developed by the United States has extremely high combustion efficiency! It allows the aircraft to cruise for a long time at supersonic speeds.

At the same time of strong thrust, it can be very fuel-efficient, this is Zenith technology, this technology is something we can't catch up with in a short time.

When the engine of the plane burns a lot of fuel, the flames emitted are also dazzling, but the speed of the plane is still very slow, and you only hear the fart and do not see the flight. That means that the design level of this engine is very poor, and now this kind of engine with high fuel consumption and low thrust can still be built in China, and now we are moving forward in the direction of low fuel consumption and large thrust! (To be continued.) )