The L-29 trainer is a junior trainer produced by a country in Eastern Europe's Lombard for the jet market after the war. After it was produced, it was valued by Xiong Guo, so it was sold to the whole camp. The output before and after was more than 3500, which is almost the AK-47 in the trainer

Later, the Han Air Force found that it also had this demand, so it tried to introduce it.

At that time, the flight procedure for training fighter pilots in the Han country was to teach first-6 --- umig --- J-5 --- J-6 or J-7, and the training time was relatively long. In the next few years, the J-6 and J-7 will be mass produced, a large number of pilots need to be trained, and the training time needs to be shortened as much as possible.

Although the J-6 and J-7 aircraft are also producing the same type of trainer, the primary trainer also needs to be improved and a jet primary trainer is needed.

In this way, four l-29s were introduced for trial in the aviation school. They were originally planned to be copied, but then there was a decade of civil unrest, and no one cared about it at all.

When the country brought order out of chaos and transformed into economic construction, the imitation of this trainer was suspended. After more than ten years of training, the L-29 has reached its service life. It has flown for a long time, and the country does not decide to import supporting parts. In this way, one was given to 3320 factory, hoping that they would design it.

While talking, they walked into the workshop where the L-29 was placed. At this time, the plane had been torn apart.

The wings and tail wings have been separated, and the skin of the body has been removed to expose the frame structure inside. Looking at the situation of the aircraft, Qin Guan said: "it seems that our surveying and mapping work is progressing well. However, if we copy it directly, can it meet our needs?"

After all, it was designed 20 years ago. Although the rear cabin was raised, the height difference between the front and rear was not large, and the vision of the rear seat was still narrow.

Hearing Qin Guan's words, old Shi nodded: "yes, we are also guessing whether the superior thinks that even if it is copied, it is still in an outdated state, so he did not allocate funds for us and provide sufficient financial support."

Over the years, Mr. Shi has been studying the development of trainers in the world. He knows that factory 3320 can't be compared with other factories.

Fighter planes, bombers and these important types of aircraft have been controlled by several large factories. Their scientific research strength is not enough and they can't compete at all. Therefore, they can only find another way to fight.

Now, the 011 base has engaged in J-7 on the basis of J-7, leaving them only one vacancy.

Junior jet trainer.

After a pause, Mr. Shi continued: "we look at the world. Since the 1970s, various countries have developed several successful trainer aircraft. According to their use experience, the flight situation of trainer aircraft in different countries and the training objectives of pilots, we should prepare a primary jet trainer in the middle of our primary six and Jian seven."

Qin Guan nodded, which coincided with his own idea. The other party had noticed the market.

In the past, there was no need for any trainer, just fly directly, but with the continuous development of fighters, it was impossible to fly directly. There was no such genius.

First of all, we should fly a propeller aircraft and learn various basic movements in the early stage. After all, the speed of propeller aircraft is low and relatively safe.

In the past, in the era of the J-5, you can directly fly the two seater J-5 corresponding to the J-5. After all, it is subsonic, but in the J-7, you can fly to twice the factor. Now the J-7 has no two seater type. Even if there is, it is very difficult to directly go to the two seater J-7. In the middle, you have to insert another one.

The present L-29 is such an aircraft, but its performance is still too poor.

"Well, go on," said Qin Guan.

"We need a jet trainer whose mission is to undertake all basic training contents and some advanced training contents, including taking off and landing, airspace stunts, navigation formation, instrument flight, night flight, spiral flight and other training courses. It can also undertake weapons training tasks and have a certain close support combat capability."

Shi Lao's ideas have always been conceived in his mind. Now it's the first time to say them. He has an intuitive plan for the overall performance of the aircraft. However, it's still difficult to get out of the aircraft because there is no reserve.

Just say the engine, the trainer needs a jet engine, and the power does not need to be particularly large, but it must be mature and reliable, with low fuel consumption. The turbofan engine is the best, but there is no qualified engine for the trainer in China.

At the same time, the ejection life-saving equipment should also be improved to a higher level. After all, the trainer and the pilot are not familiar with it, so the possibility of crash is greater. To save the pilot's life, the existing ejection seats in China are unreliable.

"Go on," Qin Guan continued.

"Therefore, even if our current L-29 is a mapping imitation, it is also unqualified. What we need is both high and low speed, good maneuverability and stall characteristics, good vision and comfortable cockpit environment. The aircraft in front of us are unqualified. However, if this specific design, we are short of funds. Without funds, we can't do anything."

They have ideas, but they have no money. They rely on qiang-5 money to build motorcycles. They originally planned to make a lot of money from motorcycles and have money to build airplanes. As a result, they have filled in all the bottomless holes.

"The idea of this trainer is good. We can work together to find a way to solve the problem of money. For example, we can push it to the international market. If we can attract foreign funds, we can continue to develop it. Anyway, the domestic air force does not invest, it can be regarded as an international project. In this way, we can also choose parts from the international market."

After thinking about it, Qin Guan continued: "For example, we can choose the ejection seat, Western electronic flight instrument system, instrument landing system, TACAN navigation system and other mature products in the international market of NiuGuo Martin Baker company. We can also cooperate with foreign companies to install high-efficiency environmental control system and exhaust system. By the way, we also get the engine from abroad, so that we can in the shortest time We have worked out the most suitable export trainer and sold it to other countries in the world. "

Hearing Qin Guan's words, old Shi brightened his eyes and asked, "is this OK? Is it in line with the rules?"

There is no such precedent in China. The domestic fighters are all required by the air force, approved, and then developed. They are first equipped in China, and then sold abroad. There has never been a precedent in China to specially develop fighters for export.

Qin Guan knew that of course it was OK. The K-8 went this way. It was a pure export trainer. Because of its good performance, it was finally turned inside, and the air force was also equipped with a batch.

"Of course. Isn't the j-14 just?" Qin Guan said with a smile.

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