A big country of aerospace with black technology

"Brother Zhang, are you sure you want to do this?"

In front of Geng Bo was a drawing that was so complicated that ordinary people would feel dizzy when they saw it. It depicted densely packed control units and various valve oil circuits.

Even though he is an excellent graduate of the Aerospace University, he feels a little dizzy when he sees this drawing

Zhang Xingyang's eyes lit up, and he began to explain to Geng Bo the structure diagram he had drawn with great interest.

"This is a 110-ton liquid oxygen kerosene engine, designed with a gas generator cycle, with an estimated dry weight of 510 kg, a vacuum thrust of 1132 kN, and a vacuum thrust-to-mass ratio of 221, and the cost of this engine is included in my design Not more than 2 million."

Geng Bo on the side has changed from being shocked to speechless. Obviously he thinks that Zhang Xingyang is just bragging.

Indeed, in this era when the thrust-to-weight ratio generally does not exceed 100, a monster with a thrust-to-weight ratio of more than 200 suddenly appeared.

Normal people would not believe that this thing is real, they would only think that their boss might be crazy, so they would believe that this thing would reach such a statistic.

"With such a high thrust-to-weight ratio and low-cost rocket engine, even if the international premium is raised for us, we can still grab a lot of commercial launch orders."

Zhang Xingyang continued to introduce this engine designed by himself, which would shock a group of people's jaws if it was released to the outside world.

"Geng Bo, let's make him together!"

Zhang Xingyang patted the other party's shoulder heavily, looked at Geng Bo with shining eyes, and said happily.

But Geng Bo hesitated to speak, looked at Zhang Xingyang for a while, and then said with difficulty:

"Xingyang, the new rocket engine is not easy to make. The problems involved in it cannot be solved by us two students who have just graduated from school."

Geng Bo swallowed, he didn't really want to hurt his friend's confidence, but if he didn't explain clearly the difficulties in the middle, his friend might get deeper and deeper, so it's better to explain clearly from the beginning.

"I don't know how you drew such a structural drawing. The production of a rocket engine cannot be successful with the blueprint. Various structural parts, how many manufacturers are needed to produce them, and even engine assembly? You and I don't know how many difficulties there are in it."

Hearing Geng Bo's persuasion, Zhang Xingyang's elated expression gradually calmed down, and his eyes returned to their usual indifference.

Zhang Xingyang said calmly and calmly: "Brother Bo, I know how many technical difficulties there are, but I also believe that these difficulties are only technical. As long as we make up our minds, there is nothing we can't do."

A large number of future technologies recorded in the brain through protein chips and silicon crystal computing storage units are Zhang Xingyang's greatest confidence.

The scientific and technological content recorded in it includes the scientific and technological content with the highest level of secrecy in the country, such as the inter-stellar system sub-light speed spacecraft engine, 11-dimensional space research, human sublimation projects and so on.

Although I don't know why when traveling through time and space, future protein chips and silicon crystal computing storage units will come to this era with me, but it is a good thing anyway, so Zhang Xingyang didn't think too much about it.

"I discussed it with Uncle Liang. Now the courtyard can still provide 3 million yuan. The first verification machine needs about 2 million yuan to manufacture, and 1 million yuan for subsequent tests is almost enough."

Zhang Xingyang looked at Geng Bo with piercing eyes, at this moment Geng Bo felt as if he was about to be persuaded.

Geng Bo could feel Zhang Xingyang's insistence on the 110-ton liquid oxygen kerosene engine.

I feel that my friend is like a stubborn donkey who doesn't hit the south wall and doesn't look back. Geng Bo had no choice but to agree to try it with his friends:

"Okay, I'll do it with you, who made us good brothers!"

After correcting his mentality, Geng Bo started to seriously look at Zhang Xingyang's drawing of the engine.

"Xingyang, you use a high-pressure afterburning cycle for this engine? Isn't this technically difficult?"

"No way, if the open afterburning cycle is used, the gas will be exhausted after driving the turbo pump, causing a part of waste, and more importantly, this will inevitably reduce the pressure of the combustion chamber, resulting in a decrease in engine thrust."

Zhang Xingyang also became interested, and planned to have a discussion with his friend who hadn't seen the high-efficiency rocket engine in the future.

"Although the control difficulty of the high-pressure supplementary combustion cycle is more complicated than that of the open supplementary combustion cycle, the exhaust gas generated by its gas generator is not directly discharged, but is input into the combustion chamber for supplementary combustion, which can improve the engine's efficiency. Thrust-to-weight ratio."

Geng Bo also talked about the engine control problem, "In this case, your control system will be more than an order of magnitude more complicated than our current control system. It is estimated that our domestic industrial computer will not be able to do this kind of work? Are you going to use it from abroad? import?"

"I have already thought about this issue. Although the performance of the current domestic industrial computer is not particularly excellent, the basic production capacity of each manufacturer is not bad.

The performance of the industrial computer can meet the requirements of the work only by making certain modifications to the working conditions of the engine. "

Zhang Xingyang felt that Geng Bo seemed to have doubts about many aspects of the engine, so he simply let go and said:

"Not only the control system, but the material of the combustion chamber also needs to be strengthened. Our current engine materials are difficult to withstand the high temperature and high pressure state of the high-pressure afterburning cycle, but I actually have solutions in my heart."

"Brother Bo, our country's advanced level in spaceflight is at least 30 years ago compared to foreign countries. If we don't catch up now, we don't know how many lessons we have to make up in these areas in order to catch up. them."

"Space hegemony in the next century will inevitably be one of the most intense areas of competition among major powers. If we fall behind in this area, we will lose our future!"

Geng Bo was also inspired by Zhang Xingyang's impassioned statement, saying:

"Xing Yang, do you know that when I graduated last year, some seniors invited me to go to the other side of the ocean. If I went there, maybe I could get in touch with the most advanced rocket technology in the world, but I refused."

Speaking of this, Geng Bo seemed to have thought of something, glanced at Zhang Xingyang, and continued

"When I was a teenager, after learning that foreigners landed on the moon, and none of us even in space could go there, I made an oath that I must learn aerospace, and I must let our people land on the moon!"

Zhang Xingyang patted Geng Bo's shoulder, and said pointedly:

"Your wish will definitely come true, and our red flag will definitely be planted on the moon!"