"Director Liu, the design really doesn't need to be changed, just like that? In case of another problem...... "Liao Zhuojing was a little worried about Liu Yijiu's direct request for them to test flights again after replacing the screws, and also to produce a prototype for test flights.

If it weren't for the problem Liu Yijiu said, it would really be troublesome.

"Liao Gong, I know your worries, even if it's not a problem, you have to continue to test the flight, should we just stop? This kind of thing is a must-encounter for us. We can't just stop because we're afraid of falling, right? What we lack most now is time. Sometimes, for the sake of time, it is not sparing to spend a little more money. Liu Yijiu understood Liao Zhuojing's concerns.

He didn't dare to guarantee that the problem was here, although his judgment was so, and after analysis, there was a high probability that it was caused by this reason.

There is no certainty, and no one dares to guarantee it.

Scientific and technological research needs evidence, results, not processes.

Wang Yueshan was also worried, if it weren't for this problem, then the whole project would really be in huge trouble, and he felt from the beginning that no matter what it was, Liu Yijiu was very anxious.

Not enough time was given at all.

Other units engage in research, and it takes a long time just to review the project, and it is even more protracted to demonstrate the technology, the program, or something.

All of their current projects are in charge of Liu Yijiu alone. Technical demonstration or something, just after a few rounds of discussion, and then according to the current situation of each project team to determine the technical parameters, and then directly start to work.

Even the time for other units to wait for funds has been saved.

Only in wartime. That's what happens.

Wang Yueshan wanted to ask Liu Yijiu why these projects were so eager, and he had not experienced sufficient preparation at all. Now something is wrong, and I haven't even done more analysis. Just proceed with the test flight.

Now he can't help it anymore, after all, it is the project of the entire Ninth Academy, although the money and everything are made by the project contacted by Liu Yijiu, but it is the time of the entire Ninth Academy.

"Director Liu, why are you so eager for these projects? Wouldn't it be better to do more technical analysis and be more spoofed? ”

Liu Yijiu faced Wang Yueshan's problem, but he couldn't explain it.

He could tell the chiefs of the Central Committee that the Soviet Union was about to collapse. Now is the last glorious era of the huge empire of the Soviet Union, and in less than eight years, the entire Soviet Union will have to be in chaos, and in the next ten years, the Soviet Union will completely withdraw from the world and let the US imperialists dominate.

In order to guarantee the position of US imperialism as the number one hegemon in the world, in order to continue to keep Europe behind the ass of US imperialism, they need a common enemy, and this enemy. It can only be China with different ideologies and different social systems.

There is not a lot of news about the entire international situation in the base, but more technical information and technical news.

Those who engage in scientific research should simply engage in scientific research.

"Director Wang. The Iran-Iraq war is our best testing platform, but no one knows how long the war between Iraqis and Iranians will last, and it may be protracted. It may also end soon, although both countries are in a posture of not giving up. However. What is needed to fight a war is money, and the war potential of both countries is not very huge. Moreover, the weapons and equipment used in the war need to be purchased with money. Do you think that Iraq's reserves of $20 billion, Iran's reserves of more than $10 billion, and how many of them have been taken away by Pahlavi, can support the war for how long? Liu Yijiu thought of the Iran-Iraq war.

He needs to get the helicopter to the battlefield between Iran and Iraq to test its actual combat performance.

Whether it's anti-tank missiles or anti-tank rockets, they will eventually be loaded on their helicopters.

Tank killer, definitely not boasted.

"But these weapons of ours, once they are researched, are the best in our country, and the national army is not equipped with them......" Wang Yueshan said with a frown.

The corners of Liu Yijiu's mouth grinned: "Longwei type is also the best, our country has no equipment, isn't it also exported?" Without exporting, where will we get the money to further research on more powerful weapons on the basis of these? If this kind of helicopter can perform very dazzlingly on the battlefield between Iran and Iraq, then, with a steady stream of orders, we are still worried about the lack of funds for research and upgrading technology? ”

The concept has been directly transferred.

"Director Liu, the test flights on our side have not been completed, various problems have not been solved, and we continue to develop new technologies to improve performance, is this too fast?" Zhan Like was originally the chief engineer, but now Liu Yijiu has made Liao Zhuojing's assistant, and he is very dissatisfied with Liu Yijiu's behavior of starting new research before one of the results comes out.

They are not old people inside the base, but come in from the outside, which is not common in the whole of China.

However, even if they want to report the situation to the higher authorities, they can't.

The people of the base management committee all took an indulgent attitude in the matter of Liu Yijiu, and they did not see the heads of the relevant departments of the Central Military Commission at a higher level.

Inside the base, even the letters sent to the outside will be checked.

"Not fast. If we had enough manpower, I would even start research on another helicopter. Now we are studying this basic model, which is for export, whether it is an armed helicopter, a transport helicopter, or an armed transport helicopter, it has to be developed from this platform. The strength study of the rotor is a must. Although the research work on graphene in the base is not progressing much, we can apply this material to it in advance. Now the production cost is very high, but when industrial mass production can be realized in the future, the cost will naturally be reduced......"

Graphene, a universal material that defends the sky, has been made out by cheap daddy, and has been researched for decades, and can supply products produced in the laboratory on a small scale, Liu Yijiu will naturally not use it.

If possible, he would even make the entire helicopter shell use this lightweight, stronger than alloy, fire-resistant, high-temperature resistant, able to withstand huge temperature differences, and not as easy to produce metal fatigue as alloy materials.

In his world, military equipment, from aerospace aircraft, intercontinental missiles, to body armor on soldiers, can be seen everywhere.

If it weren't for the verification of the properties of this material, China's research would be even a little more advanced than that of the United States, why would the Republic be on an equal footing with the United States?

Now their Z-91 helicopter is a general-purpose helicopter like the Mi-24, and the weapon system with the weapon system becomes an armed helicopter.

Many of the materials and designs used in the Mi-24 are used.

For example, the most important rotor blades, the two sets of blades are made of Mi-24 materials and design, the girder is made of new titanium alloy, covered with fiberglass skin, and filled with honeycomb structure aluminum alloy sandwich in the middle.

The rotor hub is also made of stainless steel that is forged and machined like Mi-24 - 1Cr18Ni9Ti. This kind of material, after Liu Yijiu guided Jia Yiming, the old man quickly got it out.

You know, in their world, it took decades for the republic to bring the quality of materials close to international standards.

Not only that, but in the middle of the large number of paddles, as in the Mi-24, pressurized nitrogen is filled to check for cracks. Even the hydraulic oscillation damper and balance adjustment plate used to balance the propeller and stabilize the running attitude of the propeller are all designed with the Mi-24. The anti-icing device on the leading edge of the propeller and the braking device are all technologies on the original design manuscript of the Mi-24.

It can be said that most of the technology of the Z-91 is Mi-24, but under Director Liu's design, there are no Mi-24 characteristics at all. If Lao Maozi hadn't gotten a sample, they wouldn't have known that most of the techniques used on it were theirs.

Of course, the shape layout, Liu Yijiu still refers to the Mi-24, although the cabin has been widened a lot, and the fuselage has also been lengthened a lot, it is still somewhat similar.

It doesn't matter.

Because of this situation, Liu Yijiu had to upgrade the technology of this helicopter faster.

The Mi-24 has a wide fuselage, and can use its own firepower to suppress the ground when the infantry transported in the cabin is put on the battlefield, which is suitable for the infantry and air coordination of the army units, but because of the large fuselage, it is easy to be hit.

The fuselage of the Z-91 is more bloated, although the flexibility has improved a lot, and the chance of being hit is greater, so Liu Yijiu has to add graphene armor to these helicopters.

When the time comes, this thing will be an air tank.

The design was designed in this way, but it could not be put into use on a large scale because the production of graphene was too difficult.

Even the graphene armor layer used on the Ryonbo tank is only 1 mm thick. This increases the cost by at least ten percent! And according to calculations, in order to protect against rockets and even anti-aircraft missiles, a graphene layer with a thickness of at least seven millimeters is needed!

According to the current cost, the production cost of a Z-91 will exceed 17 million dollars!

Therefore, Liu Yijiu also only covered the middle of the helicopter's casing with a 0.25 mm thick graphene layer, plus 1 mm thick carbon fiber armor...... (To be continued.) )