Chapter 702: A series of actions
Dragged two thick black smoke, MiG-29 took off, although black smoke, does not affect its wonderful performance, at a distance of three hundred meters, the front wheel was raised, and flew another hundred meters, the rear wheel was off the ground, close people, people with good eyesight, can see the deflection of the horizontal rudder surface of the tail, the overall rudder surface, is so beautiful.
MiG-29 looks like a whole, quite coordinated, these rudder surfaces are also like this, the previous fighters, wings, tail, vertical tail, look very clear, each has its own way, but what, the current aircraft, this is not the case, the main wing is in the middle of the fuselage, the inclination angle of the front end of the vertical tail is very large, in this way, the distance from the main engine wing is not very far, and then look at the vertical direction, the vertical tail is just inserted in the space from the end of the wing to the front end of the tail, it can be said that almost all kinds of wing surfaces have overlapping areas.
The most advanced of their own side is the J-8 fighter, the tall single vertical tail of the J-8 fighter is quite backward, after all, the more backward, the better the aerodynamic torque of the rudder surface, this is the basic lever principle, the longer the force arm, the better the effect, but, because the vertical tail is backward, it has led to a lot of problems, the biggest is that the distance between the tail nozzle is too close, and the deceleration parachute is often burned, and this problem took a long time to solve.
Now, this vertical tail is simply the opposite, moving forward, in fact, if you look at the contemporaries, the F-18 is also designed like this, the vertical tail is between the main wing and the tail, it seems that it must be reasonable.
Although this arm is not long enough, but people are double hanging tails! In particular, the leading edge of the vertical tail extends forward above the seam between the fuselage and the wing, increasing the area of the longitudinal stabilizer, which not only has enough torque to steer, but also improves the ability to get rid of the tailspin.
Even if you know the benefits of this design, you can't modify it now, because this kind of layout can only be laid out by double shots, and you don't have this kind of plan yet.
Qin Feng sighed at the graceful shape of the aircraft, while watching this aircraft take off and climb, and the other third-generation aircraft he saw, after taking off, immediately began to climb at a large angle of attack, as long as the thrust-to-weight ratio of the fighter can exceed 1, it has this ability, and the current aircraft is a wing-body fusion, and the vortex of the agitation of the side strip wings in front provides greater lift to the wings behind, even in the case of large angles of attack, so the climb of the fighter is even more rapid.
If it is a close-quarters fight, this fighter will even be more spicy and agile than the F-16!
After takeoff, the auxiliary air intake was closed and the air intake under the belly opened.
Now the way of the development of the fighter is that the air intake is getting shorter and shorter, like the J-8 of its own side, it takes air directly from the nose, and when it flows inside the fuselage, the kinetic energy of the air flow is lost a lot, increasing the aerodynamic drag, look at the design of the MiG-29, the engine compartment and the fuselage are distinct, almost a short and thick engine compartment, hanging under the fuselage, in this way, the air intake resistance should be the minimum.
"I hope that our investigation this time will have the Central Fluid Institute." Qin Feng couldn't help but sigh with emotion, this expedition is very large-scale, and the time is also very long, Qin Feng really wants to go to this kind of world-class research institute to see, the beautiful appearance of the Su-27 and MiG-29 is made by the Central Fluid Institute, which is also a characteristic of the Soviet Union.
In China, there is no such institution specializing in aerodynamic layout, although each aircraft research institute has a special aerodynamic room, the scale is not large, and it is impossible to conduct systematic research at all, while the Soviet Union directly took out such a specialty and became a research institute, they did not study aircraft, only aerodynamic layout.
"It is said that there will be, as well as the Mikoyan Design Bureau, the MiG machine factory, we will all visit." Tu Lao on the side said, obviously, he has seen the schedule of visits, for these famous institutions, Tu Lao is also very yearning, these few cooperation with the Mikoyan Design Bureau, he has been there, but just a look, this time with the large army, will definitely be more enjoyable.
"Somersault, this action, the speed is too low, right?" At this moment, Qin Feng's attention was once again focused on the performance of this plane.
After taking off, dragging the black smoke, the plane began to do somersaults, in Qin Feng's eyes, the speed was too low, it was almost the same as the speed of the propeller plane just now, wasn't he afraid of stalling?
The other party is obviously confident, the minimum speed of this kind of aircraft is lower, and with the high-thrust engine, this action is at least 200 kilometers per hour smaller than when Qin Feng did it!
The nose of the fighter began to go backwards, and then it turned upside down, making a vertical circle in the sky, and in the ears was the roar of the engine, and after doing it, the black smoke remained there, continuing to show off this standard somersault action, and then, the nose of the fighter pulled up again, this time, it climbed vertically upwards!
It's really exciting, although I am dissatisfied with the range of this plane and so on, but now looking at the actions that this fighter is doing, Qin Feng is still very projected, if it is himself who is sitting in the plane now, how good it would be!
The vertical climb of the fighter was, of course, done for the sake of tail impulse!
The standard tail rush action is to pull up and climb vertically, and when climbing to the highest point, the plane falls, yes, the fighter is still in the vertical direction, but it has fallen down, and the danger of this action is very great, because the tail rush is often accompanied by tail spin, so many domestic planes have not flown this action.
Of course, this is a situation of insufficient engine thrust, similar to the MiG-29, a fighter with a thrust-to-weight ratio of more than 1, when climbing vertically, the speed can be even more, there is no such thing as the so-called highest point, and it is another matter to get to high altitude.
Now, when doing the tail rush, the pilot has turned off the afterburner, so that the power is artificially created, the fighter climbs vertically upward, the black smoke has disappeared, the speed is getting slower and slower, slower and slower, and then, in the slightly nervous gaze of everyone, the fighter jumps to the apex, begins to slide, and after two seconds, the nose of the plane begins to go down, and the fighter is leveled again.
Just these few actions conquered everyone, and the maneuverability of this fighter surpassed all its own fighters, and even surpassed third-generation aircraft such as the F-16!
That's great!