With the roar of a turbofan engine, a beautiful figure streaked across the sky. Under the deep blue sky, two white lines created by the wingtip vortex drew a double helix structure with the tumbling fighters.

This is the flight training of the 5th Regiment of the 2nd Air Division, and the fighter being flying in the sky at the moment is the J-10, an air superiority model independently developed by China.

"Altitude 17000, speed 750, course 210, ready to start afterburner."

"Bird's nest received, allowed to begin."

With the permission of the tower, Xia Yu opened the afterburner valve, the throttle valve, that is, the throttle pushed directly to the end. You can clearly feel the shock of the fuselage, the domestic WS-10A turbofan engine began to exert force violently, a series of ring-shaped flames gushed out from the engine nozzle, the huge inertia force pressed Xia Yu the seat, the engine's tachometer and airspeed pointer are turning wildly, the manic wind and the shaking sound of the body are getting louder and louder, and even the sound of the engine seems to be covered, and the violent shaking of the body can almost make people think that the plane may fall apart at any time.

The cone-shaped cloud wrapped around the J-10's fuselage, and the white skirt like a spinning yarn followed the plane through the sky in the air, but in the next second, after a "pop" sound, the cloud disappeared instantly, revealing the J-10's vigorous flight attitude, and the cockpit suddenly became quiet, the body no longer shook violently, and it stabilized, as if all the sounds were far away.

"Ahh The ailerons were lightly operated, and suddenly a horizontal flip turned into a downward-facing dive attitude of the cockpit.

In the tower, Xia Yu's top boss, flight commander, and captain Wu Jianming, broke out in a big cold sweat on the back of his head, although he had long known that Xia Yu's kid was a thorn, and he repeatedly told him not to play away before getting on the plane, but this bastard actually dared to play horizontal rolling in a supersonic state where the slightest accident would destroy the plane and kill people.

"Bunny! You pay attention to the altimeter and the body's reaction!! "Captain Wu's careful liver, it's a fluttering and fluttering.

In the supersonic state, any slight change in flight attitude will produce a huge force applied to the fuselage and the pilot, there was a case in the United States that year, when an F15 training plane was taking a novice student to fly at supersonic speed, the instructor told the student that the enemy plane was found at a distance of XX in front of him, and the student forgot to slow down first and swung his nose 17 degrees, and the consequence was that the two people on the plane directly fainted and crashed.

The ultimate overload force that the human body can withstand is 9 G, which is also the design overload of most aircraft design now, and the same is true for the J-10. As the latest domestic refit of the main fighter, the J-10 adopts a canard layout. The wing is integrated with the fuselage, and the curved surface at the junction between the main wing and the middle of the fuselage is carefully designed, which not only increases the volume of the fuselage, but also effectively uses the aerodynamic lifting effect it brings. There are no other structures arranged on both sides of the fuselage at the rear of the main wing, and two external oblique ventral fins are installed under the belly of the front end of the tail nozzle, which are used for the fighter to fly at high angles of attack, and cooperate with the tall vertical tail to maintain the stability of the aircraft.

In fact, during the Cold War, the West gave China a lot of technical assistance in order to counter the Soviet Union, and it was rumored that Israel provided China with the design data of its own IAILavi Lion fighter. In the late 80s, the Soviet Union, which was overwhelmed by the war in Afghanistan, restarted Sino-Soviet military cooperation in order to improve relations with China in order to improve relations with China, and thus became one of the pretexts for the European arms embargo on China in the second half of the year.

One of the military cooperation with the Soviet Union was the purchase of the Su-27SK, the world's most advanced fighter at that time, from the Soviet Union, which was the export version of the su-27. A few years later, the rights to the production of the Su-27SK, the so-called domestic J-11, were also acquired. Therefore, although the J-10 is said to be independently developed and designed by China, it also draws a lot of reference from the technology of aircraft design in the West and the Soviet Union. For example, like the Lion fighter, the J-10 also uses the same four-speed plate design.

Compared with the F-15 Eagle fighter that began to be designed as early as 1968 and the Su-27 that began to be developed in 1969, the J-10, which began to be designed and manufactured nearly 20 years later, has too many technologies that can be used for reference, so after it is finalized and produced, it will definitely have a place for the J-10 in the top third-generation aircraft.

Exiting the supersonic dive state, Xia Yukongzhì's J-10 first made a large angle of attack afterburner climb, and then did a broken S maneuver, the dazzling silver-white fuselage was like a dazzling meteor, drawing a beautiful silver line in the sky. In an instant, he was subjected to the extreme overload maneuver of 7 Gs, even if he was almost breathless, Xia Yu was obviously extremely excited.

Although it is not the first time to fly in the sky, for Xia Yu, soaring under the blue sky is his dream since he was a child, and it is really a very happy thing to be able to linger in his dream all the time.

However, just as life cannot always be smooth sailing, the sky is also full of dangers. For example, some large flying birds can fly at an altitude of more than 10,000 meters, and a high-speed flying plane crashes into it, which is not much different from hitting a large piece of iron. And the turbulence is even more terrifying, this kind of wind direction and wind speed are changing rapidly, and the air will move up and down dangerous wind belts, which cannot be seen by the naked eye, and cannot be detected by radar, and only the plane will know what is happening when it enters the turbulence.

If the turbulence is too large, the aircraft will even lose lift before rushing out of the turbulence zone, and the possibility of stalling or tailspin is very high.

Just when Xia Yu was still continuing today's training task, he suddenly felt that the sky was shining. A huge crimson fireball rushed straight down from the sky with a long tail flame, and although the trajectory seemed to be coming towards him, Xia Yu was not too worried. His plane is now flying at an altitude of 15,000 meters, that is, flying in the stratosphere at an altitude of 15 kilometers, and usually most of the meteors have been burned up in the middle layer, and it is impossible to reach their location, so Xia Yu just looked at the fire meteor that seemed to be getting closer and closer and said to the tower: "Bird's nest, I found a big meteor on my head, it's so beautiful, I ......" and then suddenly lit up, and the dazzling light seemed to be unable to even cover the goggles of the helmet. With the sound of a huge fire meteor explosion, Xia Yu's J-10 seemed to turn into a small boat driving in the monstrous waves, swinging up and down several times, and then falling headlong to the ground.

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