It took five days for the two sides to further communicate, and after the CG-2000 engine was developed and some differences that needed to be settled by the two sides were negotiated, and the MTU side left under the leadership of Rouse, Yang Hui could obviously feel that the mood of the MTU team when they left was not very good.

But this can't be helped, Yang Hui is absolutely impossible to do anything with MTU to cross the border in China, sometimes things still need to be done in moderation, which Yang Hui probably can understand.

Rouse shook hands again at the airport here, Yang Hui, who came to see him off: "Thank you, we are about to board and take off, for the CG-2000 engine project, we will go all out to invest in the development of the components we have assigned, and we will definitely air ship three sets of finished products to you in three months." ”

Since MTU is so knowledgeable, Yang Hui is naturally happy: "It is naturally best to be able to ship the finished product to us within three months, of course, if something goes wrong in the middle, it is normal, I just hope that if this kind of thing really happens, you can notify us as soon as possible, and we also need to adjust the progress for this." ”

Yang Hui thought about it, since the last MPC-75 project announced the results of engine selection, Yang Hui is a little regretful and a little fortunate at the same time. To be honest, if the CG-2000 is designated as the only power unit this time, Yang Hui can be 60% sure that the CG-2000 engine will not be available for the MPC-75 test flight.

According to the MPC-75 project schedule, the first flight of the aircraft will be achieved at the end of next year, which is only a year and a half, and Yang Hui does not think that the CG-2000 engine can be guaranteed to be assembled and tested within a year and a half.

Now that there is a more mature engine of the CF-34-3 with faster progress, the test flight power of the MPC-75 will definitely be able to meet the use, and the CG-2000 here does not need to rush to catch up with the schedule. The decision to develop the engine with care and risk to a minimum is a real win-win-win.

Yang Hui understands this, and Rouse is also not stupid, but he does not agree with Yang Hui's words, how can a powerful MTU company delay progress at this last moment.

With a confident face, he objected to what Yang Hui had just said: "There is absolutely no need to worry about this. As a century-old company, MTU has absolutely no doubt about our technical capabilities, and we are confident that we will be able to deliver three sets of equipment in three months. ”

After speaking, Rouse raised his hand to look at the time and nodded: "Okay, the time is almost up, we are about to leave, or that sentence, CG-2000 is our most important project now." Will definitely give it his all. At the same time, if you figure it out one day, MTU can carry out more in-depth cooperation with Southwest Science and Industry at any time. ”

It's all at this time, Yang Hui didn't say much, he said goodbye to his hand to show that he understood, and then watched the MTU group here board the plane, but he smiled bitterly in his heart.

finally sent the MTU away, and Yang Hui also returned to the Southwest Science and Technology Industry with some reluctance. Now Southwest Science and Industry seems to have not many projects, but there are some fruits that can always be harvested in all aspects.

For example, now Yang Hui has to focus on the finalization of the current turbofan 10A engine. As a medium-thrust turbofan motor that was mass-finalized and produced in 86 years, the turbofan 10 has many halos on its body, such as the highest thrust-to-weight ratio among the military engines of the Republic, the first turbofan engine of the Republic, the first independently developed engine and so on

However, as the developer of the turbofan 10 engine, the southwest science and industry is naturally clear about the advantages and disadvantages of its own children, and the turbofan 10A engine is improved by using the scheme of small steps after finalization, and it should be the final improvement of the turbofan 10 engine by the southwest science and industry.

Albeit with the last improvements. But Yang Hui is still very interested, after two years of improvement, the current turbofan 10A engine also has to apply for national acceptance, Yang Hui still wants to join in the excitement.

As early as a few days ago, when the MTU side was still talking about some of the CG-2000 engine in the southwest science and technology industry, the acceptance team sent by the science and technology commission and the army had been stationed in the southwest science and industry and began to review the data in the development.

The finalization of an industrial equipment is not at all simpler than the development. If the engine under development needs a variety of repetitive tests and is troublesome, then the trouble of acceptance is reflected in the fact that the acceptance team needs to review all the data in development.

As small as the selection of a screw, all kinds of calculations and checklists need to be calculated by the acceptance team according to the information provided, after all, the final acceptance team is responsible for this engine after signing.

If we are not careful in the review now, if there is a major design problem in the use of the engine in the future, not only the developer of the engine will be responsible, but the review team will also not be able to escape.

Fortunately, this review has been carried out for many days, and the preliminary review of the design data has been completed, and now the actual performance of the turbofan 10A engine needs to be tested, but now the actual performance test of the turbofan 10A engine cannot be carried out on the side of Southwest Science and Industry.

In the past, when the turbofan 10 engine was developed, there was strong support from the state, and the H-6 high-altitude engine test machine was called, and when the thrust curve test at different altitudes was done, the aircraft could be directly used to fly with the engine at different altitudes to complete the experiment.

But now it doesn't work, the Southwest Science and Industry turbofan 10A engine here has not received much support from the state, and the H-6 high-altitude engine test machine has been dropped to Zhuzhou, and the turbofan 11 engine is being tested.

This turbofan 11 engine is no stranger, it is the state-backed Zhuzhou Power Plant that made the reverse imitation code name of the Garrett TFE731 engine. After all, now the army of the republic has made a clear statement on the L8 trainer aircraft to purchase, according to the urine of the army of the republic, the engine is not localized, it is absolutely not possible.

Southwest Science and Industry is naturally not good to use the aircraft from Zhuzhou, but Southwest Science and Industry is also equipped with the localization of turbofan 11 engine, and the relationship between Southwest Science and Industry and Zhuzhou is also very good, and finally decided to change to a more economical, simple test method for turbofan 10A engine thrust loss test at different heights.

This has a group of people to take the train to Fucheng again, to say that to test the thrust data of the engine at different altitudes, it is still the SB101 high-altitude platform of the 624 Institute is the most suitable to use.

Yang Hui went to the 624 Institute this time, and now he went to the 624 Institute not only to test the finalization of the turbofan 10A engine, but also to test the finalization of the core machine developed this time, and the Southwest Science and Industry took over the development of the core machine for two years, and now it has finally come to fruition, which can just come in handy.

Different from the last time I went to Fucheng, now Fucheng has some amazing changes, Yang Hui has to admit that the geographical location of Fucheng is too good, and the development speed is indeed better than that of Guiyang, where Southwest Science and Industry is located, but Yang Hui is not envious now, with the aviation manufacturing industry of Southwest Science and Industry, the development of Guiyang will not be too slow.

Didn't make too many stops in Fucheng City, under the pick-up and drop-off of the 624 bus, a group of people came to the 624 located in the ravine, here and Yang Hui last time there was not much change, Yang Hui got off the car and went straight to the core machine experimental group.

The current turbofan 10A engine has just arrived at the 624 institute, and the 624 institute has not tested the turbofan 10 series engine before, and the first time the turbofan 10A engine was tested, there is naturally a cumbersome process before the test can be officially started. (To be continued.) )