I Don’t Want to Win Lying Down

no surprises,

Yang Xiaoman was severely scolded again. Although Xu Mang had persuaded him, the effect of persuasion was that Xiaoman's scolding was even worse. Mother Yang almost staged a scene of killing relatives righteously. Fortunately, Father Yang came at this time Only then did the tragedy be prevented from happening.

soon,

Everyone went to work, and Xu Mang was left alone in the ward, enjoying the rare quietness. In fact, he had nothing to do. He just wanted to stay here for a few days, although sleeping here would make Xiaoman's body and mind feel better. Tired, but can enjoy her tender care.

Lying on the bed, Xu Mang crossed his legs, thought for a long time, and finally decided to call Bureau Zhang of the space agency to inform him of his current situation.

Hello?

Boss Zhang...then what...I'm in the hospital. Xu Mang said seriously, I'm going to take a leave of absence for a while, I'm fine... I'm still in good health, and I'm just walking, thinking about how to carry out the Mars rover according to the indicators. Scaling, thinking too much, fell into the sewer.

yes!

I can't help it... I'm the kind of person who is easy to get ahead at work. Xu Mang sighed, and said helplessly: Then what... can I not come back? When the time comes, I will email the information , directly to the mailbox of Academician Jin at the Mars Engineering Center?

good!

Thank you... Director Zhang.

Snapped,

After hanging up the phone, Xu Mang heaved a sigh of relief, it was finally done, and he gave Xiaoman a surprise tonight!

...

Forget it... tell her when she comes to deliver meals at noon. Xu Mang rolled up the hospital bed in a sitting mode, and then set up the table for eating on the bed, and started his work journey. Lighten the rover.

According to technical standards, the lifespan of the Mars rover is two Martian years, and the revolution period of Mars is 687 days, which means that the service life is 1,374 days. In fact, this number is not accurate. Xu Mang intends to try his best to Move back in time.

The design life of Curiosity is one Martian year, but he is still working today, and Curiosity only landed on Mars seven years ago.

In terms of power,

Xu Mang directly used NASA's multi-mission radioisotope thermoelectric generator, which is actually a nuclear battery, a heat source filled with plutonium-238 dioxide and a set of solid thermocouples, which can convert the heat energy generated by plutonium-238 into electricity .

It has been used for almost fourteen years, but the nuclear battery designed by Xu Mang is slightly larger than NASA, so that it can run more devices at the same time.

leftover,

It is simply to move the auxiliary equipment to the top, and at the same time control the weight problem.

bang bang bang,

Sudden,

There was a quick knock on the door, and then a middle-aged man walked in with an incomprehensible smile. Just when Xu Mang was feeling confused, this stranger was followed by a lot of doctors.

Professor Xu!

Are you okay? The person who came was the director of this hospital. When he heard from Yang's mother that Xu Mang was hospitalized, he hurriedly summoned a large number of elite doctors, and then came to Xu Mang's ward. He would not miss such an occasion. Great opportunity.

...

Are you? Xu Mang asked with a confused look on his face, Are you the director of this hospital? Oops...Actually, I have nothing to do, I just scratched my skin a little, so I don't need to use such a formation. It's a bit of a waste of public resources.

No waste!

In contrast, if something goes wrong with Professor Xu, it's a waste. Dean Li frowned when he saw Xu Mang working, and said seriously, Professor Xu... What you need most now is Rest instead of working hard.

oh...

By the way, can you leave for a while? Xu Mang said with a smile: If you read and share the information in my hand, you may be sentenced to prison. The starting period is five years, and there is no upper limit...serious If you do, you will die.”

moment,

After everyone left, most people thought that Xu Mang was not joking. At his level, he probably had all confidential projects on hand.

Professor Xu?

Do you need to change the ward? Dean Li did not leave, but stood by the window, turned his back to Xu Mang and asked, Our hospital has a special ward for cadres, which is suitable for recuperating. If you need it, I will I'll transfer it to you.

No...

I'm just an ordinary person, and I can't afford to go to that kind of cadre ward. Xu Mang said indifferently, Is there anything else Dean Li can do?

...

Then Professor Xu rests slowly. If you need anything, just speak up. Dean Li didn't stay long, and chose to leave directly. Mang word.

There was peace in the room again,

get up,

Anti-lock,

Xu Mang continued to alleviate the problem of the rover's counterweight.

In one morning, about 70% of it was completed, and the remaining 30% was self-rescue equipment and sky cranes. Unfortunately...NASA did not give Xu Mang the design blueprints for these two key equipment. .

According to the information given by Academician Jin, they originally used the lander's thrust reverse engine to buffer and slowly reward on the surface of Mars. This is similar to the previous moon landing plan, but how far is the distance from the earth to the moon and how far is it from Mars? The two are simply not comparable.

after much deliberation,

In the end, Sky Crane Equipment was chosen.

According to a few pictures on the Internet, Xu Mang has a general idea of ​​what the so-called sky crane looks like, and thus understands how Curiosity landed on Mars. Throw it away to slow down the descent.

Then use the sky crane to slowly descend. The sky crane uses the cable to send the rover to the surface of Mars, and finally it flies away...

In short,

complex!

But this is a guarantee for the equipment, almost no impact of landing will damage the equipment on the car body.

Hello?

Academician Jin...yes, yes, it's okay. Xu Mang received a call from Academician Jin, and said with a smile: Speaking of Academician Jin, I read your information, and I suddenly came up with a bold landing plan. How about learning NASA's sky crane landing method?

...

It's too complicated! Academician Jin said seriously: If something goes wrong, who can take the responsibility?

Xu Mang opened his mouth, but found that he couldn't speak. After thinking for a long time, he finally said: NASA is also the first time to use this method of sky crane landing, and they succeeded...I think we can too!

I'll take the responsibility! Xu Mang said seriously, I'll take the responsibility!

in an instant,

There was silence on the other end of the phone.

Professor Xu...

Are you sure? Academician Jin asked: It takes less than ten minutes from entering the atmosphere to landing. Can you be sure that there will be no accidents during this period?

able!

Academician Jin is caught in a conflict. This is not an ordinary matter. It is easy to crash. If you accidentally make a mistake or a detail is not handled well, you will become the laughing stock of the whole world. The media in the Western world will not treat you. Sympathy.

Xu Mang!

I hope you can think about it again. If you fail, those Western media will not sympathize with you, but will make you worse. Academician Jin said: You have dealt with them many times, and you should know their routines.

Xu Mang smiled, and said calmly: I understand...but I think the sky crane landing method is the most reliable method at present. If we use the same method as landing on the moon, the impact force will cause damage to the equipment on it.

correct.

The Mars rover I designed is nuclear powered. Xu Mang said with a smile, It has a multi-mission radioisotope thermoelectric generator on it, and its designed service life is 20 years.

Hearing Xu Mang's words,

Academician Jin froze for a moment, and asked curiously, You... how did you master this technology?

hey-hey!

Anyway, I will. Don't ask why... I just don't know. Xu Mang smiled and said, Academician Jin... give it a try. I guarantee by my reputation that nothing will happen.

...

I need to discuss it with Bureau Zhang. How about I give you an answer tomorrow? Academician Jin said.

oh...

Snapped,

hang up.

Xu Mang sighed. He could understand why Academician Jin was so cautious. After all, no one could guarantee that there would be any problems during the landing process. Once they happened...it would be fatal and cause irreparable losses. .

well...

It's so stressful! Xu Mang sighed, thinking that his goal is the sea of ​​stars, this f---ing is just landing on Mars, what should he do if he lands on a more distant star in the future?

...

space agency,

Academician Jin came to Bureau Zhang's office, and walked into the room after saying please come in.

Um?

Old Jin, why are you here? Zhang Ju asked curiously when he saw Academician Jin, Did you encounter any problems?

Academician Jin shook his head and said seriously: Just now Xu Mang had a phone call with me, and he proposed a very bold and complicated landing method, using a sky crane landing method just like NASA.

What?

How to land the crane in the sky? Zhang Ju was stunned for a moment, then fell silent for a while, raised his head after about ten seconds, and asked, Is he sure?

I have no idea.

However... even if you are sure, from the atmosphere to the landing, who can guarantee that there will be no problems in the short ten minutes? Academician Jin sighed: As long as one detail is not done, it will be catastrophic. s consequence.

yes!

All the painstaking efforts of several years have come to naught, and the investment of tens of billions has also been in vain.

How to do it?

Generally speaking, Zhang Ju would not agree to the so-called sky crane landing method, but if Xu Mang was the proposer of this plan, then he needs to think about it carefully.

correct.

He said he would bear all the consequences. Academician Jin said, Boss Zhang...what do you think?

for a while,

Bureau Zhang didn't know what to do. This decision was too difficult to choose.

now that...

We have entrusted him with the mission of the Mars rover, so we must trust him unconditionally. Zhang Ju said: I agree to adopt his method.

 …

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