Signed in for eight years, exposed by the school beauty's niece!

Then, Lin Yi took out the console next to the fighter and started debugging the data.

Su Qingcheng and Lin Xuan, who were playing games on the side, glanced at Lin Yi from time to time. Seeing Lin Yi's serious look, Su Qingcheng muttered:

"Lin Xuan, I think my little sister is particularly serious this time. Did those words just now make her feel that we don't respect her a little, so she is stubborn? If we can't fly in a while, we must also be prepared to comfort my little sister and don't let her face go."

Hearing this, Lin Xuan also nodded and smiled: "Okay, I understand this, but Lin Yi shouldn't be really angry with us, after all, she is our good sister!"

Both of them laughed wickedly.

Here, after Lin Yi finished debugging, she walked towards Lin Xuan and Su Qingcheng.

"Sister, you two should stay away from each other and go to that tree. It will be a little noisy in a while. It's better to cover your ears."

The two of them were trying not to laugh, but they didn't say anything. They walked to the big tree behind them in a very cooperative manner, and then leaned against the tree, quietly looking at Lin Yi and the fighter model beside her.

Then, Lin Yi also took a few steps back quickly and pressed a button at the same time.

I saw a blue flame suddenly spurting out from behind the exhaust of the plane, and it was more than two meters long, longer than the fuselage.

Both of them were stunned.

Ah this!

What is this operation?

Isn't this model powered by batteries? It's actually emitting flames? Burning fuel?

But how much fuel can such a small plane hold? Won't it burn out before taking off?

Both of them were puzzled.

But at this moment, Lin Yi pressed a button again.

Boom!

A deafening roar sounded!

The sound was so penetrating that even the city center could hear it. Both of them covered their ears subconsciously. After a while, the sound gradually weakened.

The two wanted to check the condition of the fighter model again, but they saw a gust of wind and wind sweeping away the broken mats, and there were flying sand and rocks all around, circling in the air like a tornado.

The fighter model was not affected by the strong wind. It was ejected directly along the straight route, and the speed gradually increased. After gliding for a distance, it was like a towering arrow, directly soaring into the air, flying above the sea, and the altitude was still rising, and finally it went straight into the sky!

At this time, Su Qingcheng and the others were still hugging the tree tightly. They were almost blown over by the wind and waves just now, and their ears felt a little tinnitus because of the roar.

But these did not affect their shock at all. At this moment, the two with messy hair looked up at the plane in the sky, and the shock and joy in their hearts were indescribable.

At this moment, they were simply astonished. Who would have thought that a fighter model with a thick shell and a bloated appearance could actually fly such a long distance? And recalling the flying sand and rocks just now and the long flame tail and huge roar when taking off, isn’t this a sensational scene that only a real fighter can create?

The emotions of the two were turbulent and fluctuating.

Su Qingcheng even jumped up excitedly, completely ignoring the dignified image of a beautiful woman, and exclaimed excitedly:

"It actually flew up! And it was a jet flight. How can such a small aircraft model have such a large energy! Lin Xuan, am I dreaming?"

"Yes, with such a speed and huge energy drive, how can such a small fighter model withstand it? It should be directly melted, right?" Lin Xuan looked at the sky and was also confused.

"No, Xiaoxuan, we blamed Lin Yi wrongly. This is not a model, it is indeed a plane!" At this time, Su Qingcheng said with a firm look in her eyes.

Lin Xuan nodded and smiled when she heard this, "Well, only an airplane can achieve such a spectacular sight, no, it's a fighter!"

The two of them looked at the fighter circling in the sky, and for some reason, they felt a sense of reverence.

They dared not underestimate this fighter anymore. Although it was small, it had great power. Who knew if it was equipped with micro ammunition, it would become a terrifying black technology weapon.

At this time, even though the fighter was flying in the air, there was still a huge roar. Su Qingcheng and Lin Xuan watched the fighter draw a gorgeous arc in the air, and they couldn't help but dance with excitement.

Afterwards, the fighter gradually descended, even rubbing against the water surface, stirring up layers of waves, but not a drop splashed on the fuselage, because the speed was too fast, and the speed of the splashing water was less than a fraction of the flying speed.

The two of them watched the fighter flying in fancy styles, and they were horrified.

This speedThe speed is too fast, sometimes even so fast that their eyes can hardly catch it.

"Sister Qingcheng, how fast is this speed? I feel like I can only see a residual image just now." Lin Xuan hugged Su Qingcheng and said excitedly.

Su Qingcheng let Lin Xuan hold her, staring at the sky blankly, and she didn't calm down from the shock for a long time.

After a long time, Su Qingcheng slowly said:

"This is really outrageous. I feel that my lack of knowledge limits my imagination. Let's go ask Lin Yi."

Lin Xuan also nodded and pulled Su Qingcheng towards Lin Yi who was controlling the fighter plane in the back.

When the two came to Lin Yi, they asked anxiously:

"Little sister, this plane... no, what is the speed of the fighter plane? This is too fast!"

Lin Yi was also a little shocked by the fighter plane's flight performance at this time. Although she had expected it, she didn't expect the completion rate to be so high, and the fuel consumption rate was also lower than expected.

But she didn't expect that when Su Qingcheng and the others came over, the first thing they asked her was how fast it was flying.

"Sister, aren't you curious about what material this plane is made of? What fuel is used? What black technology is used to make it fly? But you only ask me how fast it is flying?" Lin Yi looked at the two of them, puzzled.

Su Qingcheng smiled and patted Lin Yi's shoulder, saying, "Little sister, we don't understand those things even if you tell us. In addition, I have to apologize to you. I misunderstood you just now. It is indeed a plane, but you can tell me the flying speed first. I really want to know."

Lin Xuan also nodded and said apologetically, "It's my fault. I have too little experience. I never thought that a plane could be made more than one meter long!"

Lin Yi glanced at the two of them, showed a shallow smile, and said in a soft tone, "Okay, I didn't say I was angry with you. The flying speed is on the console. Here, you can take a look."

Su Qingcheng and Lin Xuan heard the words and came over and looked down at the controller screen in Lin Yi's hand.

There is a speed parameter with the number 7 on it.

But there is no unit behind it.

The two of them were stunned and looked at Lin Yi.

"Sister, what does this 7 mean?" Lin Xuan asked in confusion.

Su Qingcheng took a breath and boldly guessed: "Lin Yi, this 7, is it 700 kilometers per hour?"

Because normally, when there is no standard unit, the standard is kilometers per hour.

In Su Qingcheng's impression, the speed of a passenger plane is 500 to 1,000 kilometers per hour. 700 kilometers per hour obviously reaches the normal flight speed of a passenger plane, and it is also considered a fast speed.

But it still feels wrong. The flight speed I just saw should be much faster than that of an ordinary plane. It should be measured according to the speed of a fighter jet. It should be close to supersonic speed, about 1,000 kilometers per hour, right?

"Not 700 kilometers per hour." At this time, Lin Yi replied.

"It's Mach 7, which means seven times the speed of sound."

"Seven times the speed of sound, which is about 8,500 kilometers per hour."

Mach 7?

Su Qingcheng and Lin Xuan were shocked again. This was too fast. No wonder they had difficulty catching the fighter with their naked eyes just now.

This was much higher than they expected.

"Seven times the speed of sound, what on earth is this concept!" Su Qingcheng felt her head buzzing.

Lin Xuan quickly took out her phone to check it.

As a result, when she saw the data, she immediately exclaimed:

"Oh my goodness, the fastest fighter in China now has a speed of only 2.2 Mach, about 2,500 kilometers per hour, compared with the fighter made by Lin Yi, it is a full 6,000 kilometers per hour, this..."

What does this mean? It means that the experimental aircraft built by Lin Yi and others killed the fastest fighter in China in seconds!

Who can withstand this!

Lin Xuan and Su Qingcheng were speechless at this time. They didn't know how much they had eaten today, at least dozens of tons. If their heart function was not intact, they would have to go to the hospital for oxygen!

People with a bad heart really can't come here to play.

......

At the same time, Ye Qing woke up leisurely and looked down at the scene outside the window. Judging from this area, it should be close to Jinling.

Then, he suddenly heard a loud sound, and then he looked out of the window, and saw a small object breaking through the air.

Although it was far away from them, it made a huge sound, and at this time, the small object only stayed in front of Ye Qing for a few seconds, and then broke through the clouds in front of him and soon disappeared.traces.

Ye Qing couldn't help but be a little shocked.

This, he is sitting on the plane now, but he can't even see the UFO clearly.

Taking the plane as a reference, that thing passed by almost in an instant. How outrageous is its absolute speed?

Ye Qing: "..."

? ? ?

What on earth was this thing that passed by so quickly?