1320 more updates for d-day den

"No matter who the commander of the Blue Army is, no matter who it is, as long as you can't pee in the same pot with yourself, you will be too lazy to care about the Blue Army.〗. For equipment, let the military bosses worry about it." Since you can't know who the commander of the Blue Army is, even Liu Yijiu is not sure what the military is going to give, so you immediately don't bother to think about these problems.

He returned to Rongcheng directly, and then took the 91 sent by the base to return to the Dabashan base.

Liu Yijiu needs to arrange a lot of things, especially this time the transaction with the Soviet Union. The source of goods must be organized for transactions, and the pilot must be trained to the extent that it can at least allow Figure 22 to take off and land smoothly.

As long as you can fly up, land smoothly, and then fly all the way from the north, you can explore slowly. After all, the weapon system needs to be modified, and even the hydraulic system that assists in operation must be designed and modified.

These things can only be discussed later.

"This transaction is like this. We obtained the production technology of the Soviet medium-range air-to-air missile R77. What they gave us was not active radar guidance technology, but semi-active radar guidance technology. This kind of guided missile, even with a range of 90 kilometers, is difficult to use in the air force. It even needs to be launched at twenty kilometers or even closer distances. Such missiles." Liu Yijiu returned to the base of the Ninth Academy, and even Li Rui had no time to meet him. So he held a meeting directly.

When he was in Rongcheng, he had already asked the base to arrange meetings by phone. When he arrived, all the people attending the meetings in the base were in place.

After introducing the negotiations with the Soviet Union, Liu Yijiu focused on the missile project.

"Xiao Liu, this time, such a huge CNC machining center, especially a five-axis, pay 30 units at a time. It will take half a year to pay. This puts a lot of pressure on our plan." Xie Heping heard Liu Yijiu ask them to find a way as soon as possible and provide an additional 30 five-axis CNC machining centers within half a year, which is very difficult for them.

The mechanical manufacturing in District 3 undertakes most of the high-quality and cutting-edge mechanical manufacturing tasks in the entire Ninth Academy.

It is even responsible for the manufacturing of core components of the Turbo Fan 8, as well as the manufacturing of key components of the giant Panda J-10 that imitates the F14, such as hydraulic systems, etc.

Many managers in the third district have always asked the base to transfer the assembly technology of the five-axis CNC machining center to Hongshan Machinery Factory. The managers of Hongshan Machinery Factory also hope to obtain the manufacturing technology of the five-axis machining center to further expand the production scale of the Hongshan Machinery Factory. As a result, Liu Yijiu simply disagrees.

Most of the spare parts are processed out of the cooperation by Hongshan Machinery Factory, Northern Industrial Group, which has business dealings with the Jiuyuan Base, and related machinery manufacturing plants of the Aerospace 002 Base. The production and assembly of core components are all under the responsibility of District Three.

"The five-axis machining centers of our own production units are not enough. Northern Industrial Group, Aerospace 002 Base, Shen Fei, Qin Fei, the Ministry of Aerospace Industry, etc. are all urging us to increase the production of the five-axis machining center." Xie Heping frowned when he saw Liu Yijiu, and he had to put the difficulties out.

For him, it doesn't matter whether Liu Yijiu thinks he cannot bear such a responsibility.

Unless the third zone is allowed to continue to expand production scale.

The problem is that the production scale of the third zone has been expanding continuously, but it cannot meet their increasingly large business at all. The mountain can no longer undertake the construction of a larger factory area unless the mountain is dug out.

"The problem exists, but this time the 30 five-axis CNC machining centers must be provided within half a year, and within three months, there will be at least six. Our country does not have advanced strategic bombers, and our current energy cannot be put into strategic bombers. Let's discuss solutions to this matter. At present, let's talk about air-to-air missiles." Liu Yijiu felt in a bad mood when he returned to the base.

Because no matter how the base expands, it faces a problem that technology is not advanced enough, equipment is not enough, and people are not enough. Together, productivity cannot meet the requirements of production tasks.

"What is the progress of Houyi Type 3 missile changing short-range air-to-air missile? The Iranians have urged me to take it many times. Also, how is the imitation of the Immortal Long-range Air-to-air missile? Now the imitation F14 has been successfully flew for the first time, and the second prototype has also begun to test flights. The other two are being assembled. Before May Day, our giant panda project will also flew for the first time."

The pressure is very huge.

Domestic advanced performance missiles, especially air-to-air missiles, are not good at all.

Otherwise Iran would not have urged Liu Yijiu to change Houyi to air-to-air missiles.

"Director Liu, we have no experience in converting surface-to-air missiles into air-to-air missiles before, especially the missiles have better performance. You require that the missiles have a minimum flight speed of Mach 3, which requires the design of a new engine; at the same time, we also require that the missiles have stronger maneuverability and more sensitive reaction capabilities when in the air." Du Zhongkun felt a little overwhelmed.

He is responsible for the missile project of the Ninth Academy.

Logically speaking, there should be a project leader for every project, but Liu Yijiu didn't do that at all.

Anti-armored missiles, air defense missiles, and even air-to-air missiles are all responsible for research by a project team.

Although this can be coordinated and avoided waste, it is very difficult for him.

"I only ask the progress, how long it will take to complete it, and what is the reason for not completing it," Liu Yijiu said with a frown, "As a project leader, I think you should know that not everything has to be done by you."

Everything should have a focus.

Since cooperating with the Aerospace 002 base to transform the Hongqi 2 air defense missile into the ground-to-ground missile 8208 missile project, these guys have been putting their energy on missiles with a longer range.

However, missiles and rocket launchers with longer ranges are all personally responsible for Wang Shunyi.

"The main thing is the engine. Our engines are always prone to problems, and there is also guidance." Du Zhongkun was criticized by Liu Yijiu and was not dissatisfied with it. Instead, he introduced the difficulties of the entire project to Liu Yijiu.

Although the range of small missiles is short, the requirements are sufficient.

Air-to-air missiles are even more complicated than surface-to-surface missiles and surface-to-air missiles. The reason for this is that air-to-air missiles are much higher in the initial velocity of the early launch than surface-to-surface, and surface-to-air missiles. This requires air-to-air missiles to have stronger load-bearing capabilities, and also require missiles to have more flexible maneuverability when chasing fighter jets.

"Is there any problem with the structural strength?" Liu Yijiu asked with a frown.

"The main thing is to guide the missile at present. If the speed of the missile reaches Mach 3, the infrared detection device will weaken the sensitivity due to the friction between the infrared head and the air at the tip. As for active radar, small missiles cannot be installed at all." A short-range air-to-air missile with a range of only about ten kilometers cannot use active radar guidance at all.

"So, it's not just the missile's guidance system that affects guidance, but also the heat insulation coating on the outside," Liu Yijiu asked with a frown.

"right."

"Have you tried thermal insulation coatings using materials such as silicone resin and hollow silica particles as substrates?"

Insulating coating is a big problem.

Hollow silica and silicone resin are combined with other composite heat-resistant materials, which are specially developed for the double-three engineering.

Of course, this is the coating material used by several major international countries in the early international countries that Liu Yijiu extracted from his memory.

"I tried it. Although the effect is very good, it will affect the reception signal of the infrared detection device. The speed is too high and it will be affected by the air friction generated by the high speed of the missile." This is a very headache problem.

After so long, I don’t know how many times the experiment has been done. In terms of infrared detection, the Ninth Academy’s technology may even be given more than many international countries.

"Okay, let's discuss this matter later. What is the problem with the engine? Material processing and manufacturing technology is still a fundamental problem of design." Liu Yijiu was so immense.

How could it be so difficult to get a short-range air-to-air missile with a high speed?

But now he understands a little why infrared-guided air-to-air missiles rarely have speeds of more than Mach 3.

It’s not that countries don’t want to make stronger, but that they are restricted in this regard.

If the speed is higher, you have to use other methods to guide.

Especially active radar guidance was popular later. Of course, after the satellite system was established, there was also a two-way data link, but it was a bit too early to get that technology. It was as if you had not learned to leave and started to run.

"There is no problem with the design, mainly in the processing and manufacturing of materials." Xie Heping directly came forward to say this. "At present, the third district is stepping up the research on this aspect."

"How is the research on the active guidance radar of Americans?"

Huang Qingyu said a little embarrassedly, "The progress is not much, and the main energy is to improve the pulse Doppler radar."

Faced with such a complicated situation, Liu Yijiu suddenly felt speechlessly asking the sky.

It seems that his task is to constantly organize research, research, and then research.

To be continued.
Chapter completed!