Supersonic drones, do you think they will be used to deliver express delivery?

Chapter 72 Taking off into the sky, Kunpeng soars
  Heat waves billowed out from the bottom of Kunpeng 2, and the formed cyclone rolled in all directions.

"Xiao Chen, what is the maximum temperature of this jet of air?"

Nie Xiangyun stepped forward and patted Chen Mo.

"The maximum temperature is 35 degrees Celsius. In order to adapt to various landing and take-off environments, I converted the original thermal energy into air pressure, but the temperature for power generation is still there."

Air friction generates heat energy. When a large amount of gas is ejected, the heat energy generated by friction will be sprayed downward quickly.

However, after contact with the surrounding air, the heat energy will decrease rapidly in a short period of time.

Because of the strong air pressure, although people will still feel the temperature in the cyclone, it will not have much impact.

“If it’s thirty-five degrees, you don’t need to install insulation.”

The deck of an aircraft carrier can withstand a temperature of at least two thousand degrees Celsius, otherwise it would not be able to withstand the tail flames of jet aircraft.

"Mr. Nie, the turbofan engine will not be operated during the ascent stage. Unless it is an emergency, the drone will not switch to using thermal power for high-speed ejection until it reaches an altitude of 500 meters, or it will directly convert it to ejection in mid-air. Mid-glide into ejection state."

When Chen Mo explained, the personnel responsible for controlling the aircraft in the laboratory were already ready.

"Please note that all units are now entering high-altitude ejection and landing experiments!"

As the broadcast sounded, the drone climbed to a height of about 500 meters at an extremely fast speed.

Looking up, all I could see was the tiny black dot in the sky.

The assistant on the side handed each of the old men a telescope.

"boom!"

Along with a roar, four blue flames shot out of the air.

Like a fired bullet, Kunpeng 2 climbed rapidly into the clouds at a speed invisible to the naked eye.

"Ejection height is 800 meters!"

"Ejection height is 1000 meters!"

"Ejection height is 2000 meters!"

"Ejection height is 3000 meters!"

"Ejection height is 4000 meters!"

"Ejection height is 5000 meters!"

Every few minutes, the inspector's voice would be heard.

"The ejection speed is very fast. How is the condition of the machine?"

Nie Xiangyun seemed to ask calmly, but the wrinkles on his face trembled again and again.

Hold a telescope and keep looking for targets in the sky.

The weather is nice today, with clear skies and almost no clouds.

With the help of the optical telescope, Mr. Nie quickly found the target.

"Oh, the floating posture is normal. It's time to spread the wings next, right?"

Mr. Nie smiled.

"Yes, take to the sky, Kunpeng spreads its wings, it's time to fly for nine heavens."

Li Mingdong laughed heartily.

The previous indoor experiments and wind tunnel experiments were indeed very smooth.

But that was just an experiment.

No matter how many experiments are done, no matter how accurate the data obtained, everything is still unknown whether the plane will take off.

The No. 2 rocket more than seventy years ago is an example, so Mr. Qian later set a rule that all hidden dangers must be eliminated on the ground before the rocket went to space.

Of course, this situation was also because the older generation did not have the advanced equipment as now.

Back then, let alone a tractor, there wasn’t even a wind tunnel.

But it was in such an environment that the east wind rose, deterring tigers and wolves from then on.

"Kunpeng 2 has a good floating attitude and is like an airplane with its wings spread out!"

Here comes the most important thing.

In the air, whether the wings can deploy normally and quickly under wind resistance is a critical moment that determines success or failure.

Li Mingdong took a deep breath, and his hands holding the telescope were sweating.

Ding Yuanzhong calmed down, but couldn't help but take a step forward.

Nie Xiangyun's breathing became rapid.

"Chen Mo."

Ye Yiyi, who was standing beside him, couldn't help but call Chen Mo's name.

She seemed to be the most nervous among them. She subconsciously grabbed Chen Mo's arm, but kept her eyes looking upward.     "It's okay, don't worry."

In wind tunnel experiments, wind resistance was dozens of times greater than today's situation.

The wings could be deployed normally under level 7 wind resistance, so Chen Mo was not too worried.

"Crack!"

A crisp spring sound sounded.

Of course, the people on the ground couldn't hear it.

The Kunpeng 2 wing ejected, and then quickly locked on after reaching the predetermined position.

"it is good!"

Li Mingdong, who saw this scene clearly through the telescope, couldn't help but cheer loudly.

"very perfect!"

Even though the broadcast has not yet reported clearly, the entire process of wing ejection can be clearly seen through telescopes on the ground.

"Okay, okay, hahaha, there is no shaking at all under such wind resistance."

At such a height and wind force, it can spread its wings normally.

Then in low-altitude environments and hurricane conditions in the ocean, the ejection of the wings will definitely be successful.

That's why Mr. Nie was so excited.

Hearing Mr. Nie's voice, Ye Jie quickly put down his telescope and looked at him worriedly.

He was really worried about what would happen to this national treasure.

But when he turned around, he couldn't help but be stunned.

Nothing happened to Nie Xiangyun, but his daughter Ye Yiyi...

"Success!"

Ye Yiyi rushed towards Chen Mo and hugged his arm, tears filling her eyes with excitement.

At this stage of the experiment, it is already half successful.

The remaining half is gliding in the air, acceleration in the air and the most critical hover landing.

But this does not prevent Ye Yiyi from celebrating in advance at this moment.

"Hmm~ Really, if I had known I would be like this too."

Qi Yue, who was standing next to Chen Mo, felt as if he had missed 100 million.

She was too focused on the plane just now, and then Ye Yiyi beat her to it.

"Hahaha, young man, that's great."

Mr. Nie smiled and shook his head.

It was as if Chen Mo and Ye Yiyi saw their former self in them.

They were also so young that year, the best years of their youth.

They were supposed to be successful and enjoy the best material life, but they chose to go to the most difficult place without hesitation.

Drinking bitter water and eating leaves and bark.

Facing the long yellow sand, look at the wealth wolves everywhere.

He dedicated his youth and blood to this land.

Many people also stayed in that yellow sand forever.

But they have no regrets.

In order to let future generations straighten their backs, in order to allow future generations to usher in the current peace.

They are willing to give everything, even their lives.

Therefore, the east wind can soar across the world, making money wolves feel frightened when they hear it.

Which apple tree can provide shelter from the wind and rain for today's people?

We no longer have to fly our plane twice.

But Nie Xiangyun knew that this was not enough, far from enough.

If a great country wants to rise in the world, it must have successors.

Make the plane faster, make Dongfeng's deterrence stronger, and make those jackals, tigers and leopards frightened by the news!

So here he is today.

For this Kunpeng No. 2, and for Chen Mo.

(End of this chapter)