According to Yang Hui's plan, starting from the French side first, he will definitely be able to get France's airworthiness certificate, but now the national level is still making the last effort because of France's arms sales to the other side of the strait, among all kinds of wrenches, the French Francois Mitterrand is still persistently implementing armed arms sales across the strait, before the Gaullist French politician Edward Baladier was elected prime minister of France in 93, even if the French consulate general was closed on the Republican side, it seems that the French have not seen the facts clearly.

In this case, no matter how awesome Yang Hui is, it is impossible to run to the high-level to tell the high-level how to cooperate with France, and how to exchange interests, so as to get the French airworthiness certificates of -2000 and P-75********.

At this time, AVIC Southwest, a large aviation manufacturing company with a bright future, has long been stared at by interest groups with heads and faces from all sides, and they are all waiting for Yang Hui to make a mistake quickly, so no matter how much he has ideas now, he can only be a ninja and quietly wait for the time to come.

And it just so happens that the current situation is not too anxious to get the airworthiness certificate, at least the development work here has not been completed, and there is still some time: "This is not bad, no matter how the political game between countries, at least we must do a good job in the division, and technical problems must not become a factor that delays the key time, this is beyond doubt." So, how am I doing in my test? ”

Chief Wen's answer to Yang Hui is relatively clear: "The completion of the entire project is 88%, and now we are preparing to carry out the air flight platform test work, and it is expected that all the test work will be completed and finalized in the second half of next year, our engine has signed an order for about 580 units, and it is expected to equip 290 P-75 flights, accounting for 42% of the total existing P-75 orders, which is mainly because we are the first to design and manufacture civil aviation engines. Although many customers are satisfied with the performance of our engines, many of them take a wait-and-see attitude for safety reasons. ”

Speaking of which, Chief Engineer Wen is also quite helpless, indeed in the field of civil aviation, safety has always been a consideration in the first echelon, and it is normal for -2000 to be applauded or not. But at least (10) dǐng (10) diǎn (10) small (10) say, .2∨3.os_ ↗(); There is also a 42% installed market share, and there are 580 units on order now, which is enough for other airlines to see that the -2000 is a safe and reliable engine once it is in use.

As long as there are no major accidents in operation, the market share of the engine should be able to soar significantly after a few years, and there are more than 500 existing orders now, which will probably be able to ensure the basic operation of the project, which can make people see the future of the -2000, so as to continue to invest resources in the engine project to develop the subsequent -2 and -3 models.

This can also be temporarily reassured: "The progress is not bad, the application for the airworthiness certificate will be done as it is now, and the information will be ready at any time to be complete enough, as long as we get through the high-level government in Europe, then the information for applying for the trial certificate should be in place as soon as possible, and the airworthiness certificate should be obtained as soon as possible." ”

As soon as I thought that the 2000 years were finally going to achieve a positive result, Yang Hui felt a little excited on the psychological side, and this is the first large duct than civilian turbofan engine with intellectual property rights in China, which will also be a historic breakthrough, and the various benefits brought by it are countless.

At the same time, Yang Hui also began to consult about the following matters, such as: "So, what is the specific situation of the -2000-2 engine project, and has the preliminary design also begun?" ”-

The 2000-2 engine is expected to be used in the P-120 passenger aircraft that is expected to extend the range and increase the number of seats, and the maximum thrust of 9 tons is not much redundant, but it is definitely enough, and the last time it suffered a loss in the development progress later than the -34 engine, and finally the -34 became the P-75 motive, which has to be said to be a pity.

Now eat a trench and grow wise, this time I am ready to provide an engine for the P-120 in advance, I don't believe that I can't win the P-12 motivation project in the end, and the most important thing is to see if the GM is still willing to increase the thrust of -34 to 9 tons, Yang Hui remembers that when GM was competing for the P-75 power system, it has dug the performance of the -34 engine to the extreme to reach 7.4 tons of thrust, and then see how it can increase the thrust of -34 to 9 tons.

The more I think about it, the more interesting it becomes, so I am particularly concerned about the progress of the -2000-2, which will eventually mean whether the -2000 will be able to occupy a place in the engine market for narrow-body trunk airliners. Although the early stage is not required to be able to achieve the market share of -56, but at least to be able to blow up the -2500 engine, and wait until the later gear transmission design technology is generally accepted, and when the power is exerted, it will probably be around 2010, when it is time to face the hard resistance -56 series engine, as for what -2500, Jingjie power or something, all go to eat ashes!

"Regarding the issue of the -2000-2 project, we have not yet fully rolled out the design work, and the current design team's focus is still in the final test of the basic type, and now there are some reasons why the technology to be used in the -2 has not yet reached the standard, especially the higher total turbine temperature we require is still not clueless, and other aspects such as increasing the number of stages of the medium compressor, we are still in the design."

Following the words of Chief Engineer Wen, Chief Engineer Liu also said two sentences from time to time at this time: "I also heard that the company has dug a team from Ukraine to do single crystal high-temperature coating, but we still don't know when we can make a real breakthrough, and only when a breakthrough has been made in the new turbine blades, our 624 Institute can complete the improvement of the core machine at the fastest speed." Although we dare not say when we will be able to finalize the improved core machine, we can guarantee that as long as the blades can meet the requirements, the 624 Institute will only need half a year at most to complete the improvement and matching of the core machine. ”

At this time, Yang Hui found that the newly improved mid-thrust core machine was no longer a military mid-thrust turbofan, but a large civilian culvert here was more anxious than the turbofan to wait for the final results, which was really powerful.

After putting down the dishes and chopsticks, Yang Hui probably also knew the progress of the core machine around the pusher: "This is not bad, I will ask the single crystal coating side to speed up the progress, and strive to come up with the appropriate coating technology as soon as possible to improve the design and manufacture of the blade, it seems that this thing is urgently needed now!" ”

Who said that it is not urgent, now this is already the future of the entire United Aero Engine Company is very big Cheng dù on the neck of this thing, which has to be re-diǎn attention. Even, even the Taihang engine in the north is now limited by this thing.

(To be continued.) )