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The car stopped.

Tang Rui and Academician Li walked into a huge underground space.

After entering it.

I saw a huge aircraft.

The adjective is right, it is huge.

"This is the second verification aircraft, with a length of 38.42 meters, a height of 12.25 meters, a wingspan of 27.15 meters, a fuselage diameter of 7.2 meters, a maximum take-off weight of 122 tons, and a return landing weight of 92 tons."

Academician Li casually broke out the parameters of this aircraft.

as chief designer.

This person knows all the performance parameters of this aircraft like the back of his hand, and he knows everything by heart.

"What kind of fuel is used?" Tang Rui asked looking at the rocket engine nozzle at the rear of the aircraft.

"Liquefied kerosene."

"Can I see the details of the engine?"

"sure."

After Academician Li finished speaking, he asked someone to bring the computer.

Tang Rui looked at the information on the computer and asked Honglian to simulate.

Sure enough, it is very advanced.

It is one level better than the engine technology he bought back from Da Mao, and many things have made new breakthroughs.

After reading it on Tang Rui's side, the simulation on Honglian's side is also over, and the conclusions drawn are similar to the above data.

But such data is not enough to support the repeated orbiting and long-term flight of suborbital vehicles.

But that's not a big deal.

According to the above plan design, they already have an idea, and the next step is a little bit of research and experimentation.

"Academician Li, how are you going to solve the maneuverability problem of the aircraft?" Tang Rui continued to ask after putting down the computer.

"We are also studying this issue. At the beginning, we plan to adjust the lift structure and match the layout with flexibility.

But you also know that the altitude at which the suborbital vehicle flies does not actually support the aerodynamic layout.

On the contrary, the structure of the waverider is more suitable for suborbital flight, but there are also problems. The waverider is good, flexible and flexible, but it is also difficult to control. "

When it comes to this point, Academician Li is also very helpless.

A suborbital vehicle is equivalent to constantly drifting against the atmosphere. In this case, it is really difficult to take into account flexibility.

"Old Li, haven't you guys tried using rocket jets to adjust the direction?"

"You mean the vector nozzle?"

"No, what I mean is, install a few rocket injectors on the body of the aircraft, and when used, use the reaction force to modify the direction of the aircraft?"

The train of thought Tang Rui said was the train of thought of his aerospace fighter maneuvering in outer space.

After reaching outer space, the aerodynamic layout is gone.

If an aerospace fighter wants to maneuver, it must be equipped with propulsion equipment. His aerospace fighter is equipped with an electric propulsion engine.

But electric propulsion engines cannot be used on suborbital vehicles.

Because the thrust is too low.

After listening, Academician Li shook his head after pondering for a while.

"The idea is fine, but the overall structure of the aircraft can't bear it, let alone the pilot.

Unless there is a breakthrough in related materials, and the pilot's anti-G suit can also withstand the overload of 10 G.

Otherwise, this idea cannot be realized. "

After thinking about it, Mr. Li shook his head and said.

"What a coincidence, I have both of these." Tang Rui laughed after hearing this.

"Really." Academician Li was very excited after hearing this.

"Well, I can solve the materials and anti-G suits. But I can't help with the redesign of the body structure."

Tang Rui nodded and said, but he was only providing materials and would not interfere with the research.

Academician Li has already done a good job here, unless he is bored, he will come to join in the fun.

Moreover.

If he wants to study, he also studies outer space.

But that thing is in no hurry.

Finish what is on hand first.

"Of course, if we ask you to help solve it, what are we going to do?"

It can be seen that Academician Li is very happy.

Academician Li, who had lost a piece of heart disease, happily dragged Tang Rui around, showing him some new things.

Among them is a supercritical wing manufacturing equipment. Tang Rui looks very good, and it is also very useful to him.

Academician Li saw that he was interested, so he ordered one for him.

Tang Rui quickly shook his head and refused.

He has already understood the design idea of ​​this thing, and he can just let Honglian build one when he goes back, there is no need to order it specially.

After visiting here for a while.

Tang Rui said goodbye and left.

Academician Li was also quite busy, and the people under him were even busier, so he didn't continue to bother them after the visit.

Back to the place where the rocket was tested.

That's a downhill slope.

There is water below the slope.

The solid rocket motor brought by Tang Rui is being tested on the test bench.

A few minutes later.

The fuel in the powder column was consumed, and the flames of the rocket nozzle disappeared, leaving only a slightly red nozzle.

With the high-temperature-resistant material in Tang Rui's hands, it is possible to prevent the nozzle from turning red, but that is meaningless.

This is the engine of the missile.

When a missile is launched, it will explode.

As long as the material can be used, there is no need to do it so well, it is a waste of money.

"Mr. Tang, all the test data is here, please confirm." The data on the test bench has been stored in the mobile hard disk, and the data in the computer has been deleted.

Tang Rui took over the mobile hard drive and connected it to the computer.

He just glanced briefly.

Turn off the computer after confirming that the data has not been imported incorrectly.

Honglian will do a good job of analyzing and sorting out the specific data, so he doesn't need to worry about it.

The next half day.

Tang Rui is here on the test bench. With the ignition test of the engine again and again, more and more data are obtained.

Red Lotus has sorted out the data.

According to the actual test comparison.

The actual parameters of this solid rocket motor are a little worse than the theoretical design parameters.

The difference is not much, but the difference in thrust is 0.03 kg.

This is completely negligible for solid rocket motors, because under normal circumstances, the missile has already destroyed the target before the fuel is used up.

So this difference is nothing at all.

afternoon.

Tang Rui happily returned to the company.

The reason why he is so happy is mainly because this engine is completely designed by himself.

Red Lotus is only used as a calculation tool to assist the design, and has not participated in any modification.

What does this mean.

The knowledge he learned was not in vain.

As long as he wants to do research, he can still do it.

This feeling is very different.

"Honglian, first produce ten missiles, and use this engine designed by me."

After returning to the laboratory, Tang Rui asked Honglian to produce ten missiles first. After they were built, he would find a place to test them.

"Okay, master, the production has already started, and it is expected to be completed tomorrow morning."

hum...

Just when Tang Rui was about to say something, his cell phone rang.

It was Lin Chao calling.

"Brother Lin, what's the matter?" Tang Rui asked directly.

If there is nothing wrong, Lin Chao will not call him. If it is not urgent, he will tell him when he is eating.

As long as it's a call, it's urgent.

"Mr. Tang, the police contacted me just now, saying that the Skynet drone you sold to the police has been banned from flying across the border."

"Yes, that's right. The program I reserved in the Skynet drones, as long as these drones want to fly out of the country, once they reach the border, they will automatically return and will no longer be controlled by the ground control system."

Tang Rui thought for a while, nodded and said.

He set up this program at the beginning because he was afraid that the image algorithm would be exposed.

The image algorithm of the Skynet UAV is not the version he sold to Huawei. Although it is not a complete version, its ability to process images is already very good.

If this algorithm is obtained by foreign countries, it is not a leak.

Therefore, when he was designing, he added this hidden program.

Normally.

This sequence will not be activated.

After all, the police use drones to patrol, and it is impossible to go abroad, isn't that nonsense.

"That's it... I see, I will explain the situation to the police." After Lin Chao finished listening, he was about to hang up the phone.

"Wait... Brother Lin, why are you asking this?"

"It's like this. When the funds in the Yun Province area used the Skynet drone to search for a cross-border criminal gang, they found that the other party had already escaped the border.

At that time, the police wanted to use the drone to track the other party, and wanted to find the other party's lair.

As a result, the drone returned uncontrollably as soon as it flew to the border, and the police called to inquire about the situation. "

After listening to what Lin Chao said, Tang Rui understood what was going on.

This is noisy.

"Brother Lin, give me the phone number over there, and I'll contact them."

Tang Rui's eyes lit up suddenly, thinking of something.

I'm not in the mood today, so I'll update Chapter 4, I can't write Chapter 5, go to bed early, and get up early tomorrow to type.