The first transport ten, 404 did not give money and flew more than 300 hours.

The second Yun Ten, 404 gave 30 million, and now it has flown more than a hundred hours, maybe it can fly to 500 hours or even higher, but that cost ......

The third Yunten, 708 asked for 50 million, and the aircraft has begun to enter the substantive stage of cutting and putting into production.

And the fourth plane, I don't know what the situation is, actually started to ask for 80 million.

Even the Yun Shi team itself felt embarrassed.

Every year their budget is increasing, and the results are out, but the results are unacceptable.

"Therefore, we can bear the consumption of these funds for the sake of technology, but we must not use our limited funds to support the unlimited needs of other units for the sake of their better life. Xie Kai said this, and Ma Fengshan and the others finally understood what his intentions were.

Agreeing to continue the test flight of the Yun-10 and agreeing to the modification test of the Yun-10 is not agreeing to expand the production line.

"Xie Kai, if the production line is not upgraded, the production problem of wide-body passenger aircraft will be relatively big. Cheng looked at Xie Kai from time to time, forcibly enduring his embarrassment and unnaturalness.

"Then don't produce it! Design it out and use it as a technical reserve. Xie Kai made the relationship clear, and he understood.

As long as the military wants, they will find a way if they don't have any money.

Qin Fei will obviously undertake the production task, but he is not willing to spend any money on the construction of the production line and the upgrading of the production line, his own small treasury is locked up well, with 404, no!

"There is no way to produce, and in the end, no matter whether the design is reasonable or not, there is no way to continue to remodel. Once the Yun-10 technology matures, the new generation of passenger aircraft must have a wide body in order to meet our needs. Ma Fengshan argued. "We've put in so much energy, so much money......"

"I didn't say that I wanted to give up, the production line had to be invested by Qin Fei, the Ministry of Aviation Industry, and the Air Force itself. In aviation, we also have a Super 7 fighter project, and an engine project, which one doesn't require money?" Zheng Yucheng asked rhetorically.

Seeing that Zheng Yucheng firmly supported Xie Kai, everyone knew that the matter was a foregone conclusion.

If Zheng Yucheng wants to do any project, it will cost money, which is not easy, and Yang Qian and others will desperately oppose it.

Now it's different, Zheng Yucheng wants to spend less money, so naturally no one will stop him.

"Let's talk about the issue of the 10th military transport plane. Whether it is an AWACS aircraft, or a transport aircraft, a carrier aircraft, it is not very suitable. Xie Kai changed the subject. "The Il-76 parked on the runway of the airport, everyone should have seen it. ”

"Engine problems, we can't solve them. In China, even the engine of Yun Ten has not been solved. If you want to get a wide-body aircraft, you have to be at least 200 tons. From time to time, Cheng raised the problem of wide-body aircraft.

"Is there no problem with the shape design and aerodynamic layout?" Although Xie Kai also does not understand airplanes, he knows where the problems of airplanes are. "There's also the various systems inside, the structural strength. ”

"There is no problem with the structural strength and design, the production and processing technology cannot be guaranteed, as long as the big press comes out, the problem is not big; the problem of aerodynamic layout is not without problems, and now there is a model, and the wind tunnel test is started to verify it......," Ma Fengshan introduced the project of their modification design. "Here's a diagram of the outline and structure for you to see. ”

At Ma Fengshan's suggestion, a young man in his thirties walked to the place where the blackboard hung on the side of the office with a rolled-up picture and hung it up.

"Il-76?"

Xie Kai saw that the appearance was very similar to that of the Il-76.

He couldn't see any difference anyway.

"Although it has a great similarity with the Il-76, the shape is very similar in a wide-body aircraft. Ma Fengshan nodded with a smile and said. "We didn't see the detailed layout design of the Il-76 before. ”

"Also, our Yun 10 was thought to be an imitation of the Boeing 707. Xie Kai nodded and said.

Airplanes, except for fighter jets, have obvious differences because of different aerodynamic layouts, and large jet airliners, unless they are of different types, the difference will not be too big.

At the beginning, it was said that the Y-20 was similar to the Il-76, but it was only similar in appearance and aerodynamic layout.

"Unlike the Il-76 in terms of appearance, we communicated with those Soviet pilots just now and learned some of the most basic data. Yun 10 modification, in length is shorter, their wing uses the traditional airfoil, while we use a supercritical airfoil, this airfoil may be more risky, at present in the wind tunnel experiment, but not found much problem......" The middle-aged man pointed to the parameters marked on the plane, turned around and became a commentator, and introduced to Xie Kai and others.

"What is a supercritical airfoil, what are the benefits, and if you know that you are taking risks, why do you still use it?" asked Zheng Yucheng.

"Leader, supercritical airfoil, is a special wing profile structure. This greatly improves aerodynamics in the transonic range, reduces drag and improves attitude controllability...... "says the instructor.

"New technology?" Xie Kai asked.

If so, it's a bit risky.

Yun Shi originally dismounted, and it was not unrelated to taking the risk of producing a prototype to fly when he was not capable.

"It's a new issue for the country. Worldwide, Airbus A300 has adopted this airfoil in 1972, which can effectively reduce the ...... of the structure.

When Zheng Yucheng heard this, his head was big.

Xie Kai was very interested and listened patiently.

He regretted why he didn't pay more attention to some news about the Y-20 in the first place.

There are many differences between the Y-20 and the Il-76.

Many people even believe that this large domestic military transport aircraft is more advanced than the Il-76.

"In addition, the interior cargo hold of our aircraft may be a little smaller. This is also considered in the light of the current active equipment in our country. In terms of the control system, the mechanical control system was used at the beginning, and at the same time, the research on the fly-by-wire control system was carried out, and once there was a breakthrough, it was replaced, and the weight of the aircraft could be effectively reduced at that time...... "The narrator talked about the current situation of wide-body aircraft.

The content of the lecture is not very detailed, but it is enough for people to understand.

Unless someone asks a question, he will go into great detail.

"In other words, we are using the most secure technology to achieve results faster, and at the same time carrying out research on new technologies, can we understand this?" Xie Kai asked.

The narrator looked at this young man who was much younger than himself blankly, not knowing how to answer, and looked at Ma Fengshan and Cheng from time to time.

Ma Fengshan nodded to tell him not to be nervous, and said to Xie Kai, "It can be understood like this." ”

"The wide-body model used by the AWACS aircraft, or the extended version that we are flying now?"

"The current model. ”

"How will the electronic equipment and other equipment inside be installed, and how will the personnel be distributed?" Xie Kai continued to ask. "That AWACS, I personally recommend stopping first. After getting the wide-body aircraft out, then get the AWACS aircraft. ”

"Then let's stop. The order was placed, the production progress slowed down, and a real supporting system was raised, and then it continued to fly when this plane was scrapped. Zheng Yucheng nodded and said.

AWACS is such a thing, you can't be in a hurry.

No one in a foreign country uses a narrow-body aircraft as a carrier aircraft.

If nothing else, just because the internal space of the aircraft cabin is too narrow, it will cause the layout of various electronic equipment to be troublesome, and the operators on it are not easy to place.

Seeing that the carrier aircraft of the AWACS aircraft was just replaced, the people of the Yun-10 team did not have any opinions.

"Wide-body airliners need production lines, and they need funds to produce prototypes...... "Wide-body aircraft as carrier aircraft?

I just want money, no.

"When I was in Africa, there was no runway on the steppe, but the Soviet pilots flew the huge Il-76 and landed directly on a runway that was just flat and tamped, and then on that runway, without any assistance, took off, and the whole plane weighed more than 150 tons. Our big planes must also have such take-off and landing capabilities!" Xie Kai did not say whether to give funds, but began to make requests.

The faces of Ma Fengshan and the others suddenly became serious.

"What's the problem?" Xie Kai asked.

"Comrade Xie Kai, this kind of take-off and landing is not used at all in normal times. The structural strength requirements for the entire aircraft are too high, and if the quality of the landing gear is not good, it will even break directly under the impact of the huge impact force when landing. Cheng explained from time to time.

"If it were our current Yun Ten, in such a situation, it would even disintegrate, right?" Xie Kai asked.

The embarrassment on the faces of the Yun 10 team was even worse.

Silent.

There was some silence in the conference room that the entire office was serving.

Xie Kai's requirements are very high and even harsh for the current Yunshi team and the entire domestic aviation manufacturing industry.

If so, where do so many airports need to be built?

"Ladies and gentlemen, I know you're going to think that's a lot of work. At the beginning, the wide-body airliner we positioned was a military modification of the new generation of Yun-10, right?"

Everyone nodded.

"Military transport planes, in peacetime, can land at various airports, but what if in wartime?" Xie Kai asked the crowd.

"We're in the business of civil airliners. Cheng whispered from time to time.

Unexpectedly, Xie Kai heard this.

Immediately rolled his eyes, "Mr. Cheng, it's right to say yes." But can we sell our civil airliners?"

Cheng didn't dare to speak anymore from time to time.

No one is so stupid, spending tens of millions to buy a plane, only to fly for a few hundred hours, and it may disintegrate at any time, and his life is not guaranteed.

"And large passenger aircraft, in fact, are not divided into military and civilian use. The difference between the two is that civil airliners have higher safety requirements than military aircraft!" Xie Kai said.

Military transport aircraft, must be durable!

It can take off and land in any harsh environment, although it is unlikely that this kind of use will be used, and no one can guarantee when war will come.