The aerodynamic layout of the Su-27 is quite excellent, and the power system is also very strong, but its electronic system has always been a weakness, and over the years, the development of the electronic system in China has been very fast, so the use of domestic avionics to improve the Su-27 is a direction of Shenyang research.

Now, they're already working on it, and this is the plane in front of them!

"The change of cockpit equipment is not a simple few displays, but the replacement of the whole system, that is, the aircraft is also stuffed with the 1553B data bus, and the aircraft is modified in this way." Qin Feng analyzed: "Then, the radar in front of the nose must have changed. ”

Don't look at the Su-27 fighter's huge body, the space in the nose is also huge, but, the N001 radar in the nose, the performance is actually not good, at best, it is the ability to achieve over-the-horizon interception, however, there has always been a gap in terms of anti-jamming and so on, in terms of performance, it is definitely not as good as the J-10 fighter using the 1473 radar.

In future air battles, without modern electronic equipment, it will be impossible to win air battles at all, and now, the country will finally have to improve this area.

In the past, these equipment were imported, and although production lines were introduced, Russia is still constantly making money through the supply of spare parts, engines, avionics, are all imported.

Now, in terms of engines, there are turbofan ten, which has begun to be tested, and in terms of avionics, a large number of domestic avionics have also begun to be replaced.

The engine is still a big problem, even if it is installed now, there will definitely be all kinds of problems, Qin Feng does not have that optimistic attitude, because Qin Feng remembers the F100 engine of the US Air Force back then, and there are all kinds of problems after equipping the troops, which eventually led to the F-15 becoming the queen of the hangar.

Now, I have it, all kinds of tests, all kinds of improvements, but also after a lot of time, these must not be in a hurry, used in the J-11, because it is a twin-engine fighter, so the safety is higher, if it is a single-engine fighter, it will take a longer time, and it can only be changed after a thorough maturity.

Now that the avionics have been reequipped, the radar has also been reequipped, right?

"Is our nose also equipped with a new radar?" Qin Feng asked.

"That's right, it's equipped with a 1493 radar." After speaking, Mr. Gu's face showed a meaningful expression, how about it, are you afraid?

Looking at the codename, you can know the general situation inside, 1493 radar, that is, the scientific research product of 14 institutes, this 9, it means that the caliber of the radar is 900 mm.

In fact, after the successful development of the 1473 radar, it is easy to make a series of derivative products, just expand the radar antenna aperture, it is simpler, of course, after the radar caliber increases, the power of the transmitter must be increased accordingly, so that better performance can be achieved.

"With such a radar, the search range can reach at least one hundred and fifteen." Qin Feng said.

At that time, the AWG-9 radar of the United States was quite technologically high, with a search range of 300 kilometers, which was also the search distance for bomber targets, and if it became a fighter, this indicator would be shortened to about 150 kilometers, and the current 1493 radar would have absolutely no problem reaching this distance.

"Moreover, it is also possible to track twenty targets at the same time and attack six of them at the same time." Mr. Gu continued.

Multi-target attack capability is also an important indicator of pulse Doppler radar, of course, it is impossible to do this in practice, hitting one may miss the target, and it is impossible to attack six, but this ability itself shows that the radar processor is more advanced and the computing speed is faster.

"That is to say, if we encounter it again in the future, this kind of aircraft will definitely crush the J-10, and we will call this aircraft Type B." Mr. Gu said.

Absolutely can not stand still, with the production of the Su-27, if not improved, it will be more and more backward, these years, Shenyang also deeply knows this truth, they have begun to work intensively research and development, after such a result, the entire aircraft is all domestic, no need to import any parts, convenient supply during the war, at the same time, the weapons used, missile systems, are also produced domestically, no longer have to painstakingly import foreign missiles, all kinds of weapons in service, can be used.

In the future, if you engage in confrontation exercises with Jian-10, you must not lose!

"In this way, the weight of the nose is reduced." Qin Feng said: "I see that there are still many places where composite materials are used on this skin, and the weight reduction effect is also good." Qin Feng said: "At least you can lose five hundred kilograms." ”

"I lost 700 kilograms." Mr. Gu said: "However, we have to increase the counterweight in the nose." ”

"And what about its control system?" Qin Feng immediately reacted.

You can't see it just by looking outside, Qin Feng knows that this aircraft used to use analog telex, although it is also telex, but there is a generation difference between it and the digital telex of Jian-10.

If this kind of aircraft is used by digital telex, it is limited in the telex system, can the counterweight be removed?

There is no counterweight, which shows whether there is a thorough grasp of this aircraft, just like the change of J-7 at that time, after the improvement, the counterweight had to be added to the nose, but it was not completely mastered, and it was not until the later J-7 E that the counterweight was completely removed.

Can you make improvements in the telex?

"In terms of telex, we are changing to digital telex, and at present, the program is still being written, if Tingting can be here, it would be great!" Mr. Gu said.

Qin Feng knows what Mr. Gu means, in terms of telex system, Tingting is also an expert, especially in the writing of code, quite experienced, but over the years, she has taken root in the test flight institute, is Tingting willing to come?

"I heard that you have completed the test flight mission of the J-10, how about it, do you want to come and test fly a heavy fighter like ours? In this way, how good it would be for you to move your family back to Shenyang. Mr. Gu said.

Qin Feng understands that his grandfather's fooling of himself has not stopped all these years, and until now, he has no intention of giving up.

"As a test pilot, you have to follow up from the beginning, and I'm too late." Qin Feng said: "Besides, my age has also arrived, and I can't fly anymore." ”

Back then, it was because I felt that the plan here was different from my own, there was no common language, of course, I couldn't come together, but now, this place has been making great strides forward, has kept up with the times, and attaches great importance to avionics, if you want to fly, Qin Feng is really a little excited, but he is already old!

The future belongs to a new generation of test pilots.