Spaceship Industries did not give a preview of the new flight test, and there were no media reporters to interview or broadcast live on the ground.

However, there is still a lot to be gained from flight tests.

The size of the light-pressure engine is too big, and the engine research base is also open, and many international satellites will monitor the base 24 hours a day, as long as the light-pressure engine takes off, it will attract attention.

The Hexagonal is one of the institutions that attaches the most importance to the situation of the research base of the light-pressure engine.

The day before, through intelligence analysis, they already knew that the light-pressure engine would be tested, but it was not clear when the specific test would take place.

Some staff members have been staring at satellite imagery and are ready to report on the situation.

By the time the light-pressure engine was ready to take off, the thermal sensing satellite had detected unusually high temperature data.

Several officials with decision-making powers, as well as hired scientific and technological advisers, came to the data room and sat in front of a large screen displaying satellite imagery.

The display of the large screen is divided into nine small screens.

Seven of them are from satellite perspectives, including images from thermal satellites, and two are ultra-long-range ground-based radar detection images.

The satellite's own radar performance is very low, while the ultra-long-range large radar on the ground can detect space in an all-round way.

This is known as the Global Space Surveillance System.

The large rocket launched by any country will be detected by the system as long as it lifts off, and can accurately lock the position.

The space detection system plays the greatest role in the detection of the light pressure engine, and the images captured by the satellite only play an auxiliary observation role.

When the light-pressure engine took off, several officials looked carefully at the screen images, and some professionals reported the data.

"Altitude 12,000 meters, acceleration 30."

When this data report came out, it immediately aroused a discussion between officials and scientific and technological advisers, "The acceleration is very high!" ”

"The acceleration of 30 is almost catching up with a conventional rocket."

"This data shows that the performance of the light-pressure engine is even higher than we expected......"

"And the acceleration is rising."

High acceleration means high thrust.

The fact that such a large light-pressure engine can accelerate by more than 30 meters per second can be described as incredible.

The Hexagon's investigative methods are indeed extraordinary.

The space detection system can calculate the acceleration of the light-pressure engine in a timely and accurate manner, and the thermal satellite in space can detect the temperature under the light-pressure engine.

From the acceleration and temperature data, we can learn a lot of information, and even estimate the concentration of light energy in the engine nozzle, and roughly estimate the maximum thrust to release light pressure.

One step closer, the weight of the light-pressure engine can be calculated.

This is certainly not an accurate figure, the light-pressure engine does not release maximum performance, and at the same time, it can only be roughly estimated, but the amount of data estimated is staggering enough.

Materachis, a science and technology consultant, said with surprise a conclusion, "On the basis of the estimated value, a highly accurate judgment can be made-"....

"The power generation system inside the engine has nothing to do with the intensity of light energy produced by the annihilation particle technology!"

This conclusion made the others frown.

"In other words, the annihilation particle system may not have been involved in the power generation ......," Materachis continued.

Lakis didn't make it clear, but the others understood what he meant, they had always been interested in the source of electricity for the light-pressure engine, but there was no relevant intelligence information about it, as if the electricity was created out of thin air.

Now Lachis's statement made them even more confused.

Although we don't know the source of electricity for the light-pressure engine, the initial judgment is that electricity is directly related to the annihilation particle system, after all, only a sufficiently high enough heat or light energy can convert a sufficiently high amount of electricity.

Others also thought about it, "So, they definitely don't use optical-to-electric technology, at least, it's not conventional optical-to-electric." ”

"If it's a heat switch, you have to have a very large generator, but you can't see the power generation system from the outside."

"Electricity, where does it come from?"

"Is there really a new technology for power generation?"

The solar energy magnetization power generation system of the photopressure engine is located at the inner edge of the concave mirror, close to the side of the position where the light energy is released by the annihilation particles, and the outside is naturally invisible.

The solar magnetization power generation system only occupies a small volume and does not affect the normal operation of the concave mirror at all.

The Hexagoon guessed right.

Solar magnetization is indeed a completely new power generation technology, but they don't have any relevant information and can't analyze it at all.

Under the space monitoring system, it was found that the acceleration of the light-pressure engine reached 36 meters per second.

"It went up to 36, which didn't exceed expectations, but it was also very impressive."

"It's really high."

"It's not much worse than a conventional manned rocket!"

What surprised them was not the acceleration value, but the high acceleration of the light-pressure engine.

The acceleration of a typical manned rocket is between 45 G, which is 40 meters per second to 50 meters per second.

This is also a value that astronauts can withstand.

The acceleration of the light-pressure engine is only 3.6 G, which is really not surprising in terms of value, but the light-pressure engine is different from the rocket, which uses fossil fuels, and after the fuel is burned, the power assist part will automatically detach.

The light-pressure engine uses light-pressure thrust, and there will be no detachment of the power system, coupled with a very amazing large man, the need to make thrust is also very amazing, which gives people a very shocking feeling.

When the flight altitude reached 20 km, a white light appeared on the satellite monitoring screen.

From the perspective of the satellite, the white light is very faint, even negligible, or it is the effect of sunlight.

At the same time, a small red dot appeared in the thermal satellite image, because the red dot was so small that it would not be noticed.

But the light-pressure engine has already completed a test laser weapon test.

When flying to an altitude of 20 kilometers, the laser weapon is to be tested according to the plan, and at an altitude of about 20 kilometers, there are hot air balloons with induction devices that are arranged as targets for laser weapons and gravitational shields. ….

The light-pressure engine fires a laser that accurately hits one of the target balloons.

It is also a test of the coordination of radar, electronic systems and laser weapons.

Although it is only a laser weapon, it requires the coordination of various parts of the system to successfully hit the target.

First of all, the radar system is required to detect and lock, and the electronic system is constantly analyzed and controlled by laser aiming.

Then, it's time to unleash the laser to hit the target!

"Hit!"

"Well done!"

"Mission successfully completed!"

There were cries of excitement in the control room.

The main control compartment of the light-pressure engine is quiet.

The two testers were also in a state of high acceleration, and it was also quite remarkable that they controlled the radar to lock on to the target and pressed the button to release the laser weapon.

They were also very happy after successfully hitting the target, but the excitement in their hearts was soon filled with depression.

Zhang Jian's voice kept coming from the walkie-talkie, "Did you hit?" ”

"It should be hit, I heard the voice of the main control room, it's amazing, it's a pity, you don't have the strength to be happy, right?"

"I really envy you, it's not like I can only eat snacks and watch movies here, my work is really decadent!"

"!"

"Get out!"

Zhang Jian simply ignored the angry scolding voice, and continued to nagging calmly, he would not miss the opportunity to hit the other party.

He's already figured it out.

After the engine starts to slow down, turn off the walkie-talkie directly, so that the other party has at least no chance of retaliation on the engine.

After all, it is one to two, and it is at an absolute disadvantage in terms of numbers.

The light-pressure engine is still flying fast.

When the altitude exceeds 30 km, the engine begins to gradually reduce its power, and soon the acceleration is reduced to 0.

After that, it enters a state of deceleration.

The deceleration of the light-pressure engine relies on the gravitational pull of the earth, and the maximum is only 10 meters per second, and lasts until an altitude of 78 kilometers, after which the light-pressure nozzle is reopened and the engine is slowly suspended.

When it went into a deceleration mode, the Hexagonal officials breathed a sigh of relief, "It seems that they are not ready to go into space." ”

"At this speed, the maximum speed will not exceed 85 kilometers, but it is also very close to space."

"Whew"

Many people let out a long breath.

They do worry about the light-pressure engine going directly into space, which means that the test progress has been made by leaps and bounds.

Now it's not in space, it's a little more acceptable.

"It seems to be worse, probably not prepared."

"Flower growers have always been very steady, and they probably have to be sure that they will do that."

"In terms of the performance of light-pressure engines, they can levitate for a long time at an altitude of 80 kilometers, right? At this height, can we hit it down? ”

"There should be no problem, medium-range missiles can threaten, but it is not easy to lock, after the missile enters the altitude of 50 kilometers, it needs to automatically correct the route, and it can only be navigated by satellite, but satellite navigation is not accurate at high altitude."

"The good news is that it's huge, and it still has a chance of hitting, as long as it doesn't dodge, of course." ….

"If you use a saturation attack, for example, launch 100 missiles in one go, this kind of bulk can still be shot down."

"But it has laser weapons."

"We don't know the specific performance of the weapon, let's hope it's a little worse......"

While they were talking, a satellite image on the big screen suddenly shifted, which immediately attracted attention.

“TSA395？ That satellite at an altitude of 120 km? ”

"Yes!"

"The TSA395 is very fast and can only detect for a short period of time, but it is still in the detection range and there is a ...... of drift"

"Is it a glitch?"

"Contact the Satellite Center!"

Soon there was a reply from the satellite center, "The speed of TSA395 has decreased slightly, and the direction has also been slightly deflected, I don't know what the specific situation is, it may be a fault ......"

"It's only about a second, maybe it's an air block?"

"Of course, there is no air for 120 kilometers, but we can only think of this, the situation just now is very strange, the satellite self-test did not report any abnormality."

"Now it is impossible to return to its original orbit, and if it continues to circle the earth for about twenty times, it will fall, and the landing site will be on the south side of the Pacific Ocean, and the coordinates will be ......."

The officials in the data room listened attentively, and finally shook their heads absently.

The satellite self-test did not report an anomaly, but the slight decrease in speed and the slight deflection of the orbit may have been encountered?

Maybe it's a gust of wind that blows the air below into space?

After all, the altitude is only 120 km.

Although none of them cared, in fact, the satellite center felt that it was very abnormal, and there had never been a similar problem before.

Now that it has appeared, but I can't find a reason, it makes people very curious.

The people in the Hexagon and the satellite center, of course, did not expect that it was the gravitational shield of the light-pressure engine that directly affected the operation of low-orbit satellites.

The testers in the main engine compartment knew the situation.

When the engine enters the deceleration state, the tester in the main control compartment feels much more comfortable, and the deceleration accompanied by the earth's gravity makes it feel as if it is in a state of weightlessness, but it is always much better than high acceleration.

They can sit easily and look at the radar screen and other data.

The gravitational shield opens in the direction directly in front of the light-pressure engine, and when the light-pressure engine flies upwards, the front is naturally directly above.

The performance of the first-order radar is very high, and it can theoretically detect a range of 10,000 kilometers, but because the range of 10,000 kilometers is too large, it is enough to display only a range of 1,000 kilometers during the test.

The upper circle covers a range of 1,000 kilometers, capable of monitoring dozens of satellites, including the International Space Station, which is passing above.

All satellites and space stations are displayed on the radar screen.

During the light-pressure engine test, the gravitational shield will always be on, because normally, there will be no satellites at an altitude of 200 kilometers, and there will be no effect on conventional satellites.

However, radar detects fast-passing ultra-low-orbit satellites, or what can be simply called military spy satellites.

The gravitational shield covers a radius of up to 4 kilometers and is sure to have an impact on the passing satellites.

The two testers watched as the special satellite passed through the area of the gravitational shield, and the data reported by the radar showed that the speed of the special satellite had decreased by about 20 meters per second.

"It must be a military satellite, it is estimated that it is specially here to detect us, and they did not expect that we have such a high-end technology as gravity shield."

"The satellite was scrapped, the speed was reduced by 20 meters, and the orbit was slightly deflected, and it would crash shortly after."

"It's going to crash, it's probably tomorrow"

"It's good luck!"

As the two spoke, they also connected to the ground control room and reported, "There is a satellite passing at an altitude of 120 kilometers." ”

"It just passed through the gravitational shield area."

"The satellite has been deflected and its speed has been reduced by about 20 meters......," they reported in a calm tone, but the news was very alarming.

The control room was silent.

Zhu Qiming said to Wang Hao in surprise, "It seems that our gravitational shield test has been successful. ”

"It should be Amriken's moon, right?"

"Thank them for ......"

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