562 Single-shot super-7 and double-shot super-7
"Our domestic modifications are all about making combat capability higher and increasing the ability to carry weapons, where will it be changed to focus on machine gun combat?" Huo Haiyuan couldn't help laughing, "I don't know who made such a strange request, but it's just such an improvement." ”
"Uncle Zheng, do you know about this?" Xie Kai asked Zheng Yucheng on the side.
Zheng Yucheng nodded, "It was the customer's request, didn't Lao Wang communicate with that side later? They asked for this, and it was used to support ground operations." ”
Xie Kai immediately understood.
This should not be Kabila's request, but Liao Dong's request.
These modified fighters were stationed in Africa for the purpose of training pilots selected by Kabila and for air fire support for his armored troops on the ground.
"The Qiangwu modification should indeed go in a more advanced direction, improve the bomb carrying capacity, flight speed, etc., ......," Xie Kai said to Rong Fei's people.
As for the J-6, he really didn't have any interest in taking a second look.
Except for those places in Africa where many countries do not even have air forces, in other places this kind of fighter is completely a target under the increasingly advanced fighters.
"These people are all supporting the Super Seven project. Now, the Super Seven project has just begun, and the production line has not been fully built, and the final output will be uncertain. ”
"Then you still have a production line?" Xie Kai asked. "You're not going to use our project to prepare for Project Ten, are you?"
Huo Haiyuan just smiled and didn't say anything.
This is the case with the previous cooperation agreement reached between the two sides, the 132 factory and the 611 Institute provided personnel to help the J-9 team from 404 to build the Super 7 Project, and then the Super 7 Project was used as some technical verification of the No. 10 Project.
Since the super seven is the No. 10 project, there is a great degree of similarity in the production line, and when the No. 10 project comes out, the production line will be transformed, or upgraded and expanded, and the J-10 can be produced.
"This is our Super Seven?" When Xie Kai was taken to a workshop isolated from the outside at the end of the workshop, the whole person was incredible.
"Yes, Super Seven's model machine. Huo Haiyuan nodded and said. "This is a single-shot super seven, and the double-shot one has not yet been determined whether to make a prototype, and the data of the model wind tunnel test has not yet been obtained. ”
The original Super 7 project, that is, the FC-1 Thunder Dragon fighter jointly developed with Pakistan, adopted the traditional conventional layout of medium aspect ratio side strip wings, single vertical tail, differential horizontal tail, double ventral fins, full wingspan leading edge flaps and trailing edge flaps.
The air intake duct is a two-sided air intake method.
Xie Kai proposed this at the beginning, but the prototype in front of him that was quietly parked in the workshop for static pressure test could not find any shape of this kind of pneumatic layout!
"The prototype of Project Ten?" Xie Kai asked.
"Super seven single shots. Huo Haiyuan said simply.
Xie Kai was immediately angry, "I said at the beginning, requiring the traditional edge wing layout to ensure reliability and reduce ......costs."
"But you also said that this project will integrate the J-9 project. Huo Haiyuan said, "This project is based on the J-9 team that dismounted. And the J-9 has already entered the stage of prototype trial production......"
Xie Kai was speechless.
The Super Seven project in front of him has no resemblance to the appearance of the Thunder Dragon in his memory, especially the passage of the belly air intake, how to look at it, how it looks like the J-10, and the nose of the aircraft is slightly bent downward......
The whole aircraft adopts a canard layout, with wing-body fusion, and a large delta wing at the back.
This is not a J-10 or what?
But the problem is that the Super 7 project uses the MiG-29 engine purchased from the Soviet Union, and the thrust is insufficient, so how can it be used to make the aerodynamic layout of the J-10?
"A light fighter, designed like this, can it work?" Xie Kai asked.
"The specific situation needs to be determined after the test flight. Huo Haiyuan said, "In fact, if this aircraft is not used for combat, its performance should be very good, at least better than the current performance of our domestic fighters." ”
"What about combat capability?" Xie Kai asked, "Light fighters, the range is too short, the number of weapons carried is limited, and there is no combat effectiveness at all......"
Speaking of this, Xie Kai's mind flashed.
He forgot something very important.
If it is sold as a fighter jet, there is not much market for this thing, after all, the performance is insufficient, the range is short, and the bomb load is small.
What if it's an advanced training aircraft?
So far in the Republic, the training aircraft have been improved from the J-7 and J-8.
The K8 of the Hongdu Aircraft Factory has not yet been launched, and the advanced training aircraft needed by Egypt and other countries have not yet found a seller.
Thinking of this, Xie Kai's face was suddenly filled with a smile, as for robbing Hongdu's project or something, then there is no way, 200 old Maozi's engines can't be smashed in your hands, right?
"You kid wasn't happy at first, why are you laughing now, can't there be any problem?" Xie Kai's sudden smile made Zheng Yucheng nervous.
The prototype in front of him made him feel a little weird.
"It's okay, Lao Zheng, if nothing else, our two hundred engines may not be enough. The more Xie Kai thought about it, the more he felt that it was possible.
Zheng Yucheng was even more worried that Xie Kai would have mental problems because of too much pressure.
"200 engines, even if there are no customers now, when the prototype is out and participates in some air shows, you can find some potential buyers. If you really can't do it, you can sell it to those old customers in Africa, even if the price is lower, there is no problem, and we can still afford this loss. ”
Zheng Yucheng was really afraid that Xie Kai would have a problem.
How did he know what Xie Kai was thinking?
In the laboratory next to the static pressure test workshop, the area is not large, only more than 100 square meters, and there are many aircraft models in the whole laboratory.
"Which model is the Super Seven Double Engine?" Xie Kai asked Huo Haiyuan.
There is no one in this lab.
There wasn't even a sound.
A lot of the aerodynamic layout of the models in it is weird.
"Many of the models in this are the models of the previous J-9, and some of them are used for wind tunnel tests in order to test the selection of wings. Huo Haiyuan introduced the situation to Xie Kai.
In the whole room, there are at least fifty or sixty models of airplanes.
He finally found a model in these models that was exactly the same as the prototype of the static pressure test outside, and throughout the laboratory, several fighter models used belly air intake.
The only difference is the wings of the aircraft, which have a different aerodynamic layout.
All the models of the belly intake are placed on a long table, and at a glance, the characteristics are very obvious, and it is easy to see the comparison of various aerodynamic layouts.
"This stuff has given us a lot of experimental data. It also consumes a lot of money...... Xiong Hongyuan saw Xie Kai looking at the situation of each model next to each other, and introduced, "If it weren't for your funds, it would be difficult for us to obtain so much experimental data." ”
"As long as you can make an airplane. Zheng Yucheng couldn't see anything.
For fighters, his only idea is that they should be strong in combat.
How to make the combat strength strong, he doesn't know, after all, he is a layman. Just like an aircraft like Yun Shi, he hopes to build Yun Shi as big as the Il-76 that Xie Kai got, or even bigger than the Il-76.
"This is a model of the prototype outside, right?" Xie Kai asked, pointing to a row of models of the abdominal air intake method, and finally pointing to the middle one.
"Yes, this is a prototype model that was previously used for wind tests and then modified, and also blown wind and done radar emission section tests. ”
The single-shot super seven is very similar in appearance to the J-10 made behind the 132 factory.
Even, it is similar to the J-10 model, except that there may be some differences in some details.
"This is the twin engine model of the Super Seven, and so far, the wind tunnel test has not been completed. Seeing Xie Kai looking at a model airplane on the other row of tables in a daze, Huo Haiyuan introduced.
It is also a canard wing layout, using a large delta wing with wing-body fusion, which is very different from the single-engine Super Seven.
The air intake method was changed to two sides of the air intake, and the back was changed to a double vertical tail, the same wing structure, but it gave people a feeling of a particularly large gap.
"An improved version of the J-9VI.-II program?" Xie Kai asked.
"You know?" Huo Haiyuan was a little incredulous.
From the very beginning of the project to the dismounting, the J-9 has been constantly revising the design requirements, and finally modifying the design scheme according to the technical requirements, until the final dismount.
"We took over the J-9 team, can we understand?" Xie Kai rolled his eyes and said, "It can't be that there is no improvement in this, right?"
In the previous development process, the J-9 manufactured more than 500 models, test pieces, and test equipment, conducted 12,000 high- and low-speed wind tunnel tests, and conducted 258 tests on structure, strength, system, and special materials; in the development of the new machine, electronic computers were widely used, 154 calculation programs were compiled, and more than 15,000 hours of calculation and analysis were carried out.
Lowering the technical indicators and changing the positioning of the J-9 aircraft, this project is actually very good.
"This is indeed from the J-9 project, the main wing is still a 60-degree delta wing, with a wing area of 50 square meters, a canard wing of 55 degrees, a fixed installation angle of 3 degrees, and a canard wing area of 2.58 square meters. The air intakes on both sides are binary adjustable multi-wave hybrid compression ......," Huo Haiyuan introduced.
"This is a high-altitude and high-speed structural design, which should have a great impact on the comprehensive combat fighter we need, right?" Xie Kai asked with a frown, as he carefully looked at the model in front of him that was not much different from the final plan of the J-9.
For their potential users, the J-9 is not suitable for a high-altitude and high-speed air superiority fighter mainly used in air combat.