Chapter 824

MiG-25 is a god like existence in this era.

For quite a year, the ultimate goal pursued by many aircraft designers is to attack the sound speed, because at the sound speed, they will encounter something called a sound barrier. The sound is like a wall, which will smash the aircraft trying to rush through it.

However, this is just a worry. It was quickly broken through. After exceeding the speed of sound, most fighters can only fly to Mach 2 at most.

Mach 1 is one time the speed of sound, and Mach 2 is two times the speed of sound.

For example, the MiG-21, relying on its compact body, achieved a maximum speed of Mach 2. After that, it is difficult to continue to break through this speed.

The reason is the thermal barrier.

In flight, the fuselage of a fighter will heat up when it rubs with the air. At twice the speed of sound, the temperature is not very high, but if it continues to accelerate, the heat of friction will be more and more, and the temperature will be higher and higher.

Specifically, when MiG-19, the first supersonic fighter of MIG, flew at Mach 1.3 in the air of zero degrees Celsius, the nose rubbed with the air flow to generate heat, and the temperature reached 72 degrees Celsius.

On the MiG-21 flying at Mach 2.05, the temperature rose to 107 degrees Celsius. Of course, these temperatures refer to the nose. After all, the nose rubbed first and the nose broke the air.

At Mach 3, the temperature will reach 300 degrees. Maybe the temperature is not very high, but the main material of the aircraft, that is, aluminum alloy, can only withstand 140 ℃. If the aircraft flies to Mach 3, friction generates heat, which can make the aluminum alloy aircraft on fire.

This is the thermal barrier.

In order to overcome the thermal barrier, both eagle and bear are studying.

Eagle country took an ordinary road and immediately thought of titanium alloy. Using this super precious metal, it built a blackbird SR-71 reconnaissance aircraft, which has become a kind of science fiction equipment.

Xiong Guo, however, used the simplest stainless steel directly.

How expensive titanium alloy is. Xiong Guo is reluctant to give up. After all, this thing needs a lot of equipment, so they use stainless steel.

The ignition point of stainless steel is thousands of degrees, absolutely no problem.

Therefore, MiG-25, a super stainless steel fighter, has been built and caused a sensation all over the world. After all, there are dozens of blackbirds in Eagle country, all of which are reconnaissance aircraft, while the MiG-25 in bear country is divided into fighter and reconnaissance aircraft, equipped with thousands. If this thing is also made of titanium alloy, what a local tyrant?

The whole western world was shocked when MiG-25 flew through the sky of the capital of bear country. This shock lasted until 79. After a MiG-25 defected to the island country, the West revealed the true face of this aircraft. They thought that the super powerful fighter was just a backward fighter Made of stainless steel.

Yes, this reflects Xiong Guo's strong integration ability. Although some of their technologies are backward, their integration is good, and the overall performance is good in the end.

At the same time, when the secret of MiG-25 was leaked, it could finally be exported abroad. Anyway, there was no need to keep the secret. In this way, it was exported to many countries.

This also includes the white elephant country.

What the white elephant country got was a small number of investigative MiG-25. Before and after, it was equipped with a total of 12, eliminated the "Canberra" prmk.57/67 reconnaissance aircraft they had previously equipped, and became a strategic air reconnaissance force.

As a reconnaissance aircraft, it is qualified. It not only flies fast, but also flies at a high altitude. The normal flight altitude is 25000 meters. At the limit, it is no problem to climb to 30000 meters.

None of the equipment in the Han Dynasty can shoot it down.

In the car, Qin Guan recalled that he had soon arrived at the air force headquarters in the vast night sky.

Before he went in, he heard the loud voice of General Zhang, commander of the air force.

"A bucket of rice is a bucket of rice! The reconnaissance plane of the white elephant country has been flying over our territory for an hour, with a range of thousands of kilometers. We not only didn't shoot it down, but even we didn't find it!" General Zhang shouted: "I have made a military order to the chief. Next time this happens, I will resign and accept punishment!"

This is the place that shakes the top.

Our side not only didn't beat it down, but even didn't find it. Although its voyage can't reach the capital, it may reach the capital if it doesn't plan to return.

This time it flew over in a big way, investigated its own territory along the way, and went back in a big way. How can it not make people angry?

General Zhang is also cruel. He must fight it down!

Just like in the early days of the founding of the people's Republic of China, there were always ghostly U-2 reconnaissance planes flying to their own airspace to investigate, with the help of height advantage, unscrupulous.

With a roar, it was beaten down by its own air defense missiles. Since then, no U-2 dares to fly over. As long as it is knocked down once, the other party dares not come again, otherwise there will be no peace in the future!

"However, none of our planes can fly so high, and no air defense missile can hit so high."

At present, the main high-altitude air defense missile in the Han country is still the red flag-2, which is an imitation of the sam-2 missile in the Han country. It has been more than 20 years, and its performance has long fallen behind. Although the maximum firing height is 27000 meters, this maximum firing height is a useless number, and the height under normal operation cannot exceed 25000.

Therefore, when it is used to intercept high-altitude high-speed fighters such as MIG 25, the shooting window is very small. In fact, it can be considered that it has no interception capability at all.

Where's the fighter? If fighters want to intercept, they have to be able to fly to the same height, and no one on our side can fly so high.

At that time, the Han state also carried out the jian-9, aiming at the high-altitude high-speed, and put forward the indicators of double 28 and double 26. Unfortunately, these are impossible to succeed.

Now, we are facing an extremely difficult situation.

"Compared with intercepting the other side, the bigger problem we face is to find it." just then, the party had walked in, and general Lin said.

Although the air force has to bear the responsibility for this matter, and its own side has not done a good job in sky defense, to be fair, the dismissed Lao Wang has some grievances, which has exceeded its own ability. Whoever is in that position will be the result.

Generally speaking, the fighters flying at ultra-low altitude are the most difficult to find, because the fighters of the Han Dynasty have not been able to find targets from complex ground clutter for a long time.

But now, it is a high-altitude high-speed reconnaissance plane, which flies at an altitude of more than 20000 meters. Can't it be found?