"Xu Qing's family, after your hot air balloon is ready, has His Royal Highness King Qin ever gone up there?"

Xu Bowen knew that he had actually caused trouble at the moment, but did he dare not answer or dare to fool the queen when she asked her questions?I'm afraid I'm looking for death!

So I had to answer honestly,

"His Royal Highness came here once when it was just finished, and witnessed the first launch of the hot air balloon, but he himself never went up."

Empress Changsun was about to breathe a sigh of relief. Who would have thought that Xu Bowen hadn't finished speaking yet?

"Your Highness said... His Highness said that this thing is too ugly. In fact, he has long been tired of flying. When the airship can fly normally, he will go up to play again!"

Li Shimin and the others were extremely familiar with Zhang Nuo, so they knew that this seemingly impossible excuse must have been made by Zhang Nuo.

As a matter of fact, Zhang Nuo is really tired of flying. When he was a child, his local small county town followed the trend of national scenic spots and built some scenic spots. In fact, it was just a few broken mountains and wild lakes. He had to build some scenic spots. title.

The locals actually know that there is nothing to see in this poor place, but there are scenic spots in other places, how can we not have one here, and there is nothing to see, so let's find a way to make something nice.

I don't know which great god has a big brain hole, and actually thought of putting a few hot air balloons in the scenic area, so that tourists can fly to the sky to visit the scenery. Isn't this different from other scenic spots? Earn some money to ride a hot air balloon to increase your income.

But the team that went out to investigate and purchase hot air balloons came back with an ugly face within less than a week, and then cursed those people outside as profiteers.

They never thought that something as simple as a balloon and a basket would be so expensive, and the price would be millions of dollars.

I have to say that people in that era were really tigers. It was too expensive to buy, so I made it myself.

The balloon on the top is nothing more than nylon cloth plus asbestos cloth, not to mention the basket at the bottom, the most troublesome thing is the incineration equipment at the bottom, which was solved after half a day's research in Zhang Nuo's father's factory.

It is nothing more than the control of burning time, burning temperature, and burning interval. To put it bluntly, this thing is actually very simple.

After the first test flight was successful, the scenic spot discovered that this thing was made by itself, and a lot of it was leftover materials from the factory, so the price was so cheap that it simply launched a dozen or so in one go.

At that time, Zhang Nuo followed his father, the technical backbone, to take off, land, take off, and land again and again. He was really tired of playing.

Although it was banned in the end, it was not a standardized production after all, but something that was tinkered in a state-owned factory. It was not reported to the country, and it did not pass the relevant assessment and training.

But I have to say that this experience made Zhang Nuo completely indifferent to hot air balloons. Anyone can sit and fly in the sky a few times after school every day, and even have to float in the sky with his father for dinner on weekends. , I don't feel anything for a long time.

But Zhang Nuofei got tired of it, and still despises it as ugly, which doesn't mean other people are not interested in it, so Xu Bowen and others naturally flew over it, and now Li Shimin also wants to fly up there.

Li Shimin's reason was very simple. It seemed that the airship could not be boarded in a short period of time. When the thing flew, he would no longer be in Pyongyang.

If he wants to realize his childhood dream of flying in the short term, he can only rely on this unreliable thing in front of him, and since Zhang Nuo said that this thing can fly, besides, Xu Bowen and the others have also tried to fly it several times So what else is he afraid of?

When Li Shimin had to do one thing, even the eldest grandson empress could only step aside in the end. After all, the emperor's words were promises. Although Lao Li seemed to use the attribute of promises on Laipi, he was effective after all. no.

However, Queen Changsun showed her last stubbornness as a queen, that is, she asked that if Li Shimin must go up, then she would also go up there, and if something happened, she would accompany Li Shimin.

Regarding this situation, Li Shimin's first thought was naturally to refuse, but Empress Changsun also started to play tricks, didn't you say that this thing is not risky, so what if I accompany you?

Anyway, in a word, either sit up together, or everyone doesn't sit down, unless you, Li Shimin, order me, the queen, as the emperor now!

Li Shimin was silenced for a long time by Empress Changsun, but it was naturally impossible for him to issue an imperial edict to Empress Changsun because of this matter at this time.

So he could only turn his head and look at Xu Bowen seriously and asked,

"Xu Aiqing, tell me, how is this thing? Is it safe? If it takes off today, where will it go?"

Xu Bowen didn't answer immediately, but looked up at the sky, then smeared some saliva on his finger, stretched it into the air to feel the wind direction, thought for a while and then said,

"Your Majesty, don't worry about the safety of the hot air balloon. If it's the kind of hot air balloon that was just produced before, the lower officials will not dare to let you sit on it, because the quality of many parts on it does not meet the requirements of His Highness King Qin!"

"It can be used, but there is no guarantee when it will explode, but after our experiment is successful, His Royal Highness King Qin rewarded us with a whole set of real parts, which are now used in this, and the safety is absolutely no problem!"

"Besides, the weather is fine today and the wind is still light. If we take off now, it seems that we can fly to the port area!"

Chapter 618 Let's Fly

After Li Shimin heard Xu Bowen's answer, he felt a little more comfortable, especially the new parts he said were taken out by Zhang Nuo, which gave Li Shimin a lot of confidence.

In fact, Zhang Nuo has no choice. Many things look inconspicuous, but they are actually the embodiment of industrial strength. Just the simplest tank for fuel, to ensure that it does not leak under pressurized conditions, you have to carry it. , don't bump it and it will break.

At the very beginning, when building the first hot air balloon, Xu Bowen and others used clay pots handmade by craftsmen, and selected the one with the lowest leakage after repeated tests from dozens of pots.

Even fuel tanks are so troublesome, let alone nozzles and pressurization devices. These are the results of industrial development. Other aspects are not at the level now. He insisted that he could get it out by doing a lot of hard work.

In order to ensure that the only remaining excellent scientific researchers of his own will not die halfway due to some minor problems, and at the same time allow them to study the mysteries of the sky and flight more safely in the future, Zhang Nuo spent a lot of money to exchange for a whole set of future generations of hot air balloons Burning device.

With these things in place, the flight safety of the entire hot air balloon has been increased by at least ten times.

It was also after that that the entire Feitian project team basically flew up once or twice. If it weren't for the troublesome fuel replenishment, they would fly up every day to study something.

At this time, they no longer used the fuel given by Zhang Nuo, but kerosene purified through crude oil purification, distillation and other processes as the main fuel.

This thing can be produced only by simple distillation, the preparation difficulty is relatively low, and at the same time, it has better flammability, and more importantly, the freezing point is minus [-] degrees, which is currently the most readily available fuel.

As for gasoline, it is too troublesome to prepare, and it is just a joke without a certain industrial level.

However, the raw materials for this thing are rather troublesome. Zhang Nuo never thought that there is such a natural crude oil lake that can be mined on the surface of Pyongyang Province. The local officials saw that this thing can be burned, but it is very troublesome to burn it in the city of Pyongyang. It was accidentally said as an anecdote during a meeting here.

Zhang Nuo was shocked when he heard about it, and immediately sent people to carry out the most primitive mining, and then transported it to the research institute.

Although Zhang Nuo has no plans to develop an internal combustion engine for the time being, it is still possible to use it for small-scale experiments. After all, the technical reserve is always several levels higher than the existing technology.

Having said that, since Li Shimin and his wife are going to fly to the sky, as the project director here, Xu Bowen naturally has to accompany them.

At the same time, there is another reason, that is, Xu Bowen's grandson has become the most skilled hot air balloon pilot in the entire scientific research institute by taking advantage of his position.

Just because he can control who goes up and who doesn't, he even accepted gifts from many people in private, and brought many people from other project teams up to try the fun of flying into the sky.

Therefore, today's hot air balloon pilot is none other than him.

Now that it's settled, Xu Bowen will arrange for people to start preparations for the flight.

Don't look at the hot air balloon, which is very simple in principle. If you look at the parts, there are only a few big and small things.But in fact, this thing is really troublesome to prepare.

Needless to say, take it out first, and it can’t be placed casually. The entire airbag has to be laid flat on the ground, and at the same time, all the hanging baskets are connected, and the ropes are arranged neatly.

After that, a large blower is used to inflate the airbag. At this time, ordinary air is rushed in, in order to inflate the entire airbag.

Otherwise, if the combustion device is turned on at this time, it will not heat the air, but burn the entire airbag with a fire.

Wait until the entire airbag slowly inflates from a large beach on the ground into a big ball under the action of the blower.

At this time, the fire is about to be ignited. Xu Bowen asked the others to get out of the way and started it himself. First, he slowly heated it with a medium flame, and then waited until the entire airbag gradually floated from the ground, and even pulled the hanging basket upright together, then turned to a small fire. .

At this time, you can go to the master, and put some odds and ends on it at the same time.

For example, the overcoats used to keep out the cold, the small anchors used for landing, and even because the emperor and empress were going up, Xu Bowen took his own initiative and brought some food up.

After all, the wind is not strong today, maybe it will take a long time to float to the port area and land.

At the same time, today Xu Bowen also installed a small soft sail that can be easily manipulated. This thing is still useful in light wind or even calm weather. Under the control of experienced people, it can slightly increase the flying speed.

And when everything is ready, Li Shimin and his wife can come up.

Looking at Xu Bowen, who was already standing in the bamboo basket, adjusting the combustion device, and Xingben, who was standing aside and helping to organize things, Li Shimin looked at the Empress Changsun beside him, feeling a little weak in his legs.

Just kidding, this is not something like riding a horse secretly or climbing over a wall when I was a child. After this guy goes up, if something falls from the sky, then no matter how good your martial arts are, it will be useless, no matter whether you are an emperor or a refugee , All smashed to pieces for you.

However, no matter what, he brought up this matter himself, and his wife was still watching. If Li Shimin suddenly couldn't speak up, he would lose all his face in this life.

So Li Shimin gritted his teeth secretly, took Empress Changsun's hand and walked into the bamboo basket.

Although this bamboo basket is simple, this thing alone is not simple. It has been specially verified, whether it is the material or the weaving method, it has been tested many times.

And the test method is very rough, that is, hang the basket with a rope, and then several people jump up and down. Only when eight people squeeze in it and jump for half an hour without any problems, can it be proved that it is a qualified bamboo basket.

So one of the four people currently carrying the load is a woman, so there is no need to worry.

After Xu Bowen finished the combustion device, he followed Xingben to sort out the supplies. After making sure that everything was in place, he turned to look at Li Shimin,

"Your Majesty, we can take off now, shall we set off now?"

Li Shimin looked at Empress Changsun beside him, held her little hands silently, then turned his head and said seriously,

"Then take off!"

Chapter 619 The Flying Experience of the Emperor and Empress

The take-off of a hot air balloon is completely different from that of other aircraft in the later generations. It hardly feels any movement. As the burner above the head spews out long flames, a large gust of hot air begins to flow along the airbag. cavity into the hot air balloon.

When the hot air reaches a certain concentration, the buoyancy produced by the entire hot air balloon exceeds its overall mass, and the hot air balloon can fly.

If the whole process is viewed in later generations, it is really slow.

But from Li Shimin and his wife's point of view, not long after they came in, they only saw fire coming out of the top of their heads, and then not long after, the whole bamboo basket shook slightly, and then flew up.

Looking at the gradually widening field of vision and the gradually shrinking houses and streets under his feet, Li Shimin felt inexplicably proud.

Damn, only my empire has such a miracle, and only I can see such a scenery.

Li Shimin hugged Empress Changsun, smiled and pointed to the houses that had become the size of small boxes and Pyongyang City that looked like a sand table, and said with a smile,

"Guanyin maidservant, this time we really didn't come out in vain. This kind of scenery is not something you can usually see in Chang'an City or in the palace, especially if you have to see it more!"

Empress Changsun was also flushed with excitement at this time, looking around like a young girl looking left and right.

No one can resist the temptation to take to the sky and see the world from a perspective they have never seen before.

This temptation is the inherent desire of human beings who have been living on land to measure the earth with their feet. It is a pursuit that emerges every time they look up at the sky.

Now, Li Shimin, the emperor who ruled the Tang Empire, has finally realized his childhood dream. This feeling as if famous mountains and rivers are crawling under his feet can always make people's pride burst out unconsciously.

Li Shimin was like this at this time, looking at the looming coastline and port area in the distance, and seeing the city of Pyongyang under his feet which had become only a small box size, Li Shimin suddenly laughed out loud.

He didn't even know what he was laughing at, but he just felt happy!

And the more he laughed, the louder he laughed, even when Li Shimin started coughing at the end of the laugh, he didn't stop.

Empress Changsun put a coat on her husband to keep out the cold, and at the same time gently patted him on his back slowly!

Li Shimin tightened his coat, only then did he notice that the higher he flew, the colder it really was. Unexpectedly, there was such a big difference between the sky and the ground in the same place.

As usual, he might be very interested in talking to Xu Bowen about the principles behind it. After all, he is also a curious person, isn't he?

But now, he just wants to share his experience with his queen.

"Guanyin maidservant, do you know that just now when I saw the famous mountains and great rivers under my feet, and saw the shrinking cities one by one, I suddenly thought, no matter how wise and powerful the Qin Emperor and Han Wu were before, how many countries they conquered, how many territories they conquered , but I, Emperor Li Shimin of the Tang Dynasty, is the first emperor to fly to the sky and conquer the sky!"

"I know that this situation is possible thanks to the help of brother Zhang Nuo, but this is my chance, my fate, after all, I discovered Brother Zhang Nuo in the market, so let's say It's still my fault!"

"I used to feel worried, afraid that I, the emperor, would not be able to do well, and worried that I would let down brother Zhang Nuo and your trust, but now I am not worried, there is no worry at all!"

"Even the sky has been conquered by me, so what else is there that Tang can't conquer?"

"Brother Zhang Nuo can help me conquer the sky, then he can help me conquer the surrounding area, and truly create a foundation for eternity!"

"I used to worry about what my posthumous title would be after I died, but now I don't have to think about it. Based on my current achievements, even if I die now, I will not lose to the emperor of Qin, Han and Wu, hahaha!"

Perhaps it was a coincidence, just as Li Shimin finished his rhetoric, the train from Pyongyang City to the port area blew its whistle.

The sharp sound of the flute matched Li Shimin's words just now, as if he was doing a good job for him, which seemed particularly appropriate for the occasion.

Empress Changsun looked proudly at Li Shimin, looking at this man who had been with him for more than ten years, her eyes were full of pride.

This is his husband, the real No. 1 in the world. Maybe he still has some shortcomings and shortcomings, but he is definitely a great emperor, and he will definitely be an emperor through the ages!

All she had to do was to quietly be by his side and take care of everything in the harem so that he could handle state affairs with peace of mind, have a delicious meal and sleep well after work.

This is what she wants to do as a queen. She doesn't have any big ideals or pursuits. Whether she is a queen or Princess Qin, it doesn't make any difference to her.

In her eyes, she was just accompanying and following in her husband's footsteps and slowly walking forward. As for how it was written and evaluated in the history books, that was all after death.

As Zhang Nuo once said when he was drinking in the palace, even when he was alive, he couldn't be perfect, let alone the evaluation after death?

If you can live up to yourself, your family, and your conscience, that's pretty good.

If you can still live up to the job by the way, then you are already satisfied beyond the limit, and you have achieved this. If the evaluation of the history books is not good, then let him go. I think the evaluation of a fool is not good. Need to care.

That is to say, since then, both Li Shimin and Empress Changsun have looked down on history books a lot. Those who understand will know everything inside.

So success or failure is left to future generations. What they have to do is just these things in front of them. As long as the things in front of them are solved, what else can't be solved?

The feeling of floating in the sky is romantic, atmospheric, and novel, but at the same time it is also boring. Perhaps at the beginning, seeing a cloud with a strange shape can be fun for a long time.

But after staying for a long time, various uncomfortable feelings emerged, such as being out of breath, too cold, numb feet, and various problems emerged.

But fortunately, this journey may be really blessed by God. Everything went smoothly, and I really didn’t bring any transfers to the port area. The entire port area has been vividly remembered, and the rest It just landed.

Come to think of it, Zhang Nuo, who has been hiding for a long time, is about to appear!

Chapter 620 Finally Found Zhang Nuo

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