On August 15th, all the personnel and equipment for logistics support were in place, and all the preparations for the maintenance were completed. Li Zhan's idea of completing the modification training within one month was definitely not disappointed.
The simulated cockpits needed to be modified were the last ones. The Second Division used the new simulated cockpits distributed to them until the new simulated cockpits issued to them arrived. The Seventy-third Division not only picked up second-hand aircraft, but also picked up everything.
Perhaps it is because Qi Hong already knows that Li Zhan is poaching him. It is not surprising to strictly follow the procedures to give you some colors, otherwise it would be impossible to know that you are anxious to pull him over first.
Li Zhan must face the reality, although he really wants to form combat effectiveness as soon as possible. In the second half of 2010, he had a strong sense of urgency for no reason, and felt more time-consuming than ever before. The three teams were under pressure in the mission.
The J-7e was modified and upgraded from the training brigade to the fighter brigade. They started training directly, but the Su-27 fighter jets on the first brigade (the Destruction King Brigade) had been parked on the ground for more than half a month. Li Zhan could only watch and hurry up.
Glare.
The only thing that is gratifying is that in the past half month, the teaching team led by Nie Jianfeng and the theoretical assistance team composed of Yang Jinshan, Han Hongjun and Li Zixin conducted a systematic teaching of the theory of the Su-27 fighter jet for the sabotage team, and the soldiers also
It was very powerful and he chewed down the boring theoretical data.
Relatively speaking, they are now much easier to modify the Su-27 than the first predecessors who modified this model. You should know that not only the textbooks were in Russian, but even all the places on the fighter that need to be marked were in Russian. Before the modification
I first learned Russian, so those who participated in the modification of the su-27 were very good at Russian.
Fang Chenghe is one of them. Until now, he has no pressure to talk to the Russians casually.
After another week of simulated cockpit, Li Zhan finally received an order to conduct practical training in the last week of August. After a series of preparations, on August 25, the Destruction King Team began to conduct ground running training.
Because of the heavy training tasks, the Second and Third Teams transferred to Dongku Station to train, and Beiku Station became the exclusive territory of the Destruction King Team.
The brigade of eighteen fighters is only six fewer than ordinary flight regiments. Moreover, these are eighteen heavy fighters, which are not comparable to the original eighteen light fighters. In terms of maximum take-off weight, eighteen su-
The 27 is almost three times that of the same number of J-7s.
"Just follow the process and be careful to step on the brakes." Nie Jianfeng from the rear cabin said to Li Zhan.
Li Zhan sat in the front cabin, looking at the console covered with instruments, and performing pre-flight inspection procedures. The cockpit of the early models of the su-27 was also bad, not much tidy than the J-7eg, and may even be worse than the J-7eg
.Don’t think about anything at one level or two. They are all instruments, full of the rough style of the Russians - just use it. On the right is the radar display screen, which is barely matched with the advanced ones.
The batch of Su-27s handed over by the Second Division have been improved twice. The first was Chinese and the second was to be equipped with a new domestic Doppler airborne radar. This made the Su-27 easier to use.
In the early days, because the Russian side did not sell the source code of the fire control system, these flankers could not use domestic thunder bullets and other ammunitions, and they could not access our army's enemy-to-me recognition system. This led to a long time of appearance, which was so scared that it was a scare.
People. Later, these problems were solved, and imported flankers truly formed combat power.
Li Zhan carefully followed the steps and reported, "The inspection was completed before the two regressions."
Nie Jianfeng turned his head and looked at the ground controller in the visible position on the right wing. He saw him raise the red flag. Nie Jianfeng issued a command to Li Zhan, "Activate the left send."
"Start the left-handed."
Zuofa drove smoothly.
Nie Jianfeng checked the status of the left-handed wave and confirmed that it was activated normally. Then he ordered, "Start the right-handed wave."
"Start the right-handed." Li Zhan started the right-handed step by step.
The su-27 has a huge body and a large take-off weight, and can be equipped with a strong autonomous power supply, so you can often drive without relying on a ground power vehicle. However, under normal circumstances, it will still be assisted by a ground power vehicle.
Once again, Nie Jianfeng ordered, "Close the canopy cover."
“Close the canopy cover.”
The canopy cover is slowly covered.
“Unlock the front wheel steering lock.”
“Unlock the front wheel steering lock.”
"The throttle lever is slow and starts to slide."
"The throttle lever is slow and starts to slide. Damn, the thrust is so strong." Li Zhan quickly pressed the brake button on the operating lever and braked.
Nie Jianfeng smiled and said, "Do you think it's still a J-7. The thrust of an al-31f is equal to two wp-7p. Don't you know how big the thrust is? Why do you want to pay attention to the brakes? If you don't pay attention to it, you have to run to the grass.
Now.”
"Aren't you used to being poor, hehe, I used to drive a 1.6 displacement, but suddenly killed eight cylinders with 6.0 displacement muscle cars. It's normal to not master the accelerator well." Li Zhan said with a smile.
Nie Jianfeng said, "Don't start the extra force anytime from now on. This thing will be increased again and then have a dive angle, so it will be easy to get a 15-machine."
"No, and also, this operating lever is also very sensitive. The transmission system reacts very quickly. If you move a little, you will immediately get feedback. It is much better than the J-7." Li Zhan steadily operated the 27th su-27ubk edge.
Slide onto the runway.
"This is the characteristic of the third-generation aircraft. When it is slowly adapting, it is still difficult for Su Liangqi to control it." Nie Jianfeng said.
After learning the theory, the experience summarized by the military use over the past decade and various dangerous situations, Li Zhan is very clear about the advantages and disadvantages of the su-27. The su-27 uses a hybrid transmission control system.
The longitudinal direction is fed-speed control, and the horizontal direction is mechanical transmission. The early prototype of the machine developed the machine used mechanical transmission control. The fed-speed control system was installed after an accident exposed the problem. Therefore, such a hybrid transmission control system was formed.
The same is true for the domestic models J-11a and J-11b.
The reason why su-27 is difficult to control is that the aircraft's pitch attitude is very easy to exceed the flight envelope when changing, resulting in stall overload and rapid loss of kinetic energy. If it is at a low altitude, it is very easy to cause a crash.
People often say that the defect of su-27 is chondrome disease. In fact, when the final mass production is completed, the mass production machine has solved the problem of insufficient body strength.
What is serious is the unprecedented lift body structure at that time. Because of the design of this lift body and side strip, a phenomenon was caused - a light pull and the machine head was lifted hard, and five or six g were overloaded at once. Generally, fighter jets are
In this case, it is only about two g, which shows how powerful the head-up overload of su-27 is.
In this case, the pilot's first reaction must be to press the rod and press the nose down, but the flight control system will automatically intervene in the repair, which will cause the body to vibrate back and forth, and then disintegrate in the air. This is also the reason why cartilage disease is misleading. 1. In fact, it has little to do with the strength of the body structure.
But after the bloody lesson, the design team of the Russians learned from their mistakes and installed a telex control system on the Su-27. Why is it vertical? The purpose is to target the problem of the pull rod raising its head. In fact, the simplest and most reliable method is to change it. Aerodynamic layout, but in order to obtain a large range of 4,000 kilometers and excellent maneuverability, the design team of the Russians was stubborn and did not change the aerodynamic layout. Their persistence also created a great fighter in the history of world aviation weapons, and later it was even more successful. Imagined economic gains.
Why did Shen Huoyi's localized Su-27 take so many years? The J-10 of Lockheed Mart was equipped with troops in 2004. Your old factory is still gnawing the Su-27? The J-11a type is assembled imported parts The J-11b is the fully domestic model of the improved version, so I don’t know how advanced the B model is than the A model.
Why did the B-type not be launched until 2008? It was four years later than the J-10, which was completely independently developed!
Because the Russian side not only does not sell the fire control system code, it is also unwilling to sell the crucial flight control system. I give you a production license of 200 aircraft. I will provide the key systems. What do you want the flight control to do if you want the code?
The flight control that the Russians developed back then was to solve the problem of raising their heads and lowering their heads caused by the lifting body characteristics of the su-27. For this reason, they sacrificed many test pilots and paid a great price.
Since the Russians refused to sell, then do it yourself. Chen Huoyi was gnawing this bone in those years and paid a lot of money. Finally, he developed a three-axis, four-degree digital telex control system that was more advanced than the Russians. .The hybrid system telex used by the Russians on the su-27 has a cross-distance mechanical rod system, which is large in weight and large in size and is too complicated.
It is exactly the saying: We develop well and better than others' things, and we can easily get everything, but decades have passed but no progress has been made (for example, the automobile industry is like shit).
Therefore, in fact, we wrongly accused Chen Huoyi in those years. They have been working hard because they are carrying the important task of localizing the Su-27 and carrying forward it. Cheng Luoma has nothing else except for some J-7 series. The political mission was also obtained by some of the Israeli telex technology, and the J-10 was very brisk. Of course, it was extremely light and brisk.
However, the three-axis and four-degree digital telex control system that China has built is not perfect. Zhang Chao's sacrifice has a lot to do with the system and has nothing to do with the hindrance. The J-15 It uses the same control system as the J-11b. When landing and hooking the blocking cable, the system suddenly fails. Don't forget that when the fighter hits the ground, the nose is slightly raised, and the flight control system fails, the fighter will Like an irritable wild horse, Zhang Chao subconsciously pressed the rod to protect the fighter. Only by pressing the rod to make the front wheel land can the fighter be damaged. However, under the circumstances at that time, the fighter had already lost control.
What is heartbreaking is that Zhang Chao died after ejection because the ejection conditions were far below the minimum requirements. He almost ejected towards the ground. After he ejected, the fighter stopped looking up, and the front landing gear landed, and in the end it was just
Slightly damaged. If Zhang Chao ejected immediately, he had a high probability of surviving, but he eventually chose to save the fighter with his life.
Objectively speaking, if you want to compare, the flight control set used by the J-10 is much more reliable than the one used by the J-11b in the early stage.
Back to the topic, go back to Li Zhan's story. He knew very well what the fatal problem of the su-27 was, so he knew that the most terrible situation was the flight control failure. This long-legged Su had no mechanical backup, even if there was one, he just looked up.
If you really encounter the problem of raising your head, it’s better to jump to save your life quickly, otherwise you will be playing with the Heavenly Girl Scattering Flowers when you look up and down.
Following Nie Jianfeng's step-by-step instructions, Li Zhan slid onto the track, pushed the accelerator and ran to a normal take-off speed of 24, then closed the accelerator and braked, completing the first skiing training.
When he drove out of the runway, Nie Jianfeng said, "I'm really afraid that your lever will take off."
Li Zhan smiled and said, "I really have such an impulse, I have you anyway."
"Don't do anything randomly, I tell you, I'm a teacher now, you're a student, you have to listen to me, dare to violate my orders, I will never pass the qualifications. You can continue to drive the J-7 and earn three melons and two dates
"Nie Jianfeng threatened.
He knew Li Zhan so well. Do you think he didn't dare to fly directly? After he took off a few rounds, Nie Jianfeng even promised that the leaders of the 101st Regiment would scold at most.
When Li Zhan heard this, he hurriedly said, "No, no, no, Teacher Nie, can't I firmly obey the orders? Anyway, whatever you say is what you say."
"This is almost the same. Okay, go back to the next one."
"I'll run another lap?"
"no!"
When driving back to the apron, Li Zhan could only sigh and get off the plane. Watching Yang Jinshan climb into the cockpit like the New Year, what he envied was Nie Jianfeng - this kid could sit in the back cabin all the time. Since the first time driving,
The tower recorder began to calculate the time for the pull rod for him. After sitting for at least half a day, the pull rod fee will be transferred and paid by the 73rd Division, and their instructors also have business trip subsidies paid by the Second Division.
Li Zhan suddenly realized that being an instructor was also quite good. When he thought of himself as a flight expert in the J-7e, his mind became lively.
Why don’t you go to Dongku Station to work as a part-time teacher?
However, when he thought of the distance between five hundred kilometers, he gave up his thoughts: This is not how people are, nor is it how they are pilots, and it is even more so when they are pilots in the Air Force.
He was fine this morning, so he skated again in the afternoon, and became familiar with him for another day tomorrow, and he started to arrange a flight training the day after tomorrow. There were four teachers and four su-27ubks to practice at the same time, and the efficiency was quite high. I thought of "
There is still a summary of the 228" project. He planned to go back to the "228" office to work for a while, but Pei Lei drove over at lightning.
"Captain!" Pei Lei didn't get out of the car, and shouted excitedly, "Captain, get in the car quickly! Your girlfriend is here, where is the team leader!"
Li Zhan was stunned, "What? What girlfriend?"
"Get on the bus quickly. Let's talk about getting on the bus. The political commissar is back, and they are all at the commander's place. Hurry!" Pei Lei shouted excitedly.
Li Zhan hurriedly got into the car with his helmet, even though he was confused.