Since he boasted about Haikou to Chen Zhongyan, he said that he would complete the test of the recyclable rocket next year.
After returning to the Rocket Research Institute, Zhang Xingyang did not dare to waste a moment and took the time to start the design work of the new rocket.
In fact, part of the technical content of the new recyclable rocket has been discussed within the institute before.
For example, rockets adopt a more special secondary structure compared to the three-level structure that is currently popular among various countries.
This is equivalent to canceling the original second stage. The first stage of the rocket is the uppermost stage that holds the fairing.
The first-stage rocket uses 11 YF-110 liquid oxygen kerosene engines newly developed by the Rocket Research Institute, which can provide nearly 1,250 tons of thrust, which can be called a monster-level power.
In comparison, the first long triple B rocket launched at the beginning of this year had a take-off thrust of only 604 tons.
The thrust of the newly developed rocket is nearly twice that, and in terms of price, if reuse is taken into account, the newly developed rocket is even cheaper.
"The control system after the eleven YF-110 engines are connected in series will be several orders of magnitude more complex than the rocket configuration scheme we used before."
Zhang Xingyang looked at Qin Ming, the person in charge of the control system department in the conference room, and said very seriously:
"This places higher demands on your control system and attitude perception system."
"Qin Ming, are you confident that you can do it well?"
As the current person in charge of the control system of the Rocket Research Institute, it is impossible to say that there is no pressure on this matter.
But Qin Ming, as an energetic young man, doesn't take difficulties so seriously.
"Dean, my colleagues and I in the entire department are confident!"
Facing Qin Ming's statement, Zhang Xingyang remained unmoved.
Now he has not yet begun to come into contact with the many technical difficulties in the new rocket, and he can still maintain a relatively optimistic attitude.
If he had encountered many technical difficulties during the rocket development process, he might not be so optimistic. If he didn't hit the wall by then, he would be in a good state of mind.
Recyclable rockets are actually very technically difficult in this era. After all, the electronics industry at this time was not as developed as in later generations.
Especially in terms of supercomputers, they are being crushed crazily. Without supercomputers, it is difficult to conduct various simulation experiments before actual measurements.
However, Zhang Xingyang is not too worried. After all, various mature rocket designs are almost ready-made in his mind.
Although Zhang Xingyang will not directly give all the technical and engineering solutions to everyone in the institute, he will still control the progress of the entire project and ensure that the preliminary test of the entire rocket is completed within next year.
After all, Zhang Xingyang is not a superman. He does not have so much time and energy to solve all problems. This requires everyone in the Rocket Academy to grow up as soon as possible and become a right-hand man who can truly assist him.
"Qin Ming, just have confidence. You may face many difficulties next, and your entire department must be mentally prepared."
Although he didn't really want to dampen Qin Ming's enthusiasm, Zhang Xingyang still reminded him that the subsequent research and development work might be more difficult than he imagined.
Of course, the initial new rockets do not consider the recovery function, and there is not yet such a complicated attitude control system.
After all, to recover the rocket, after the first-stage rocket separates from the second-stage rocket, the engine needs to be restarted to allow the first-stage rocket to fly back to the recovery site or the location of the recovery ship at sea.
During this process, the rocket control requirements are still very high, which is still a bit ahead of the scientific research capabilities at this time.
"Geng Bo, are there any questions about the rocket structure design?"
After asking Qin Ming, who was in charge of the control system, Zhang Xingyang turned around and asked Geng Bo, who was in charge of the entire rocket structure.
This time, the two-stage rocket structure is used, which is rarely used in rockets nowadays. The institute has no technical accumulation in this area and can only rely on some technical tips given by Zhang Xingyang to explore.
Even so, the progress of the structural design team led by Geng Bo is still very difficult.
"Although the structure of the two-stage rocket is simpler than the three-stage rocket we often use now, we have not had much contact with this aspect before."
Geng Bo took the latest results of the structural design team, frowned and said:
"The two-stage rocket only uses the payload fairing, interstage, second-stage rocket, and first-stage rocket. However, due to different structural problems, there are some difficulties in first- and second-stage separation and fairing separation."
The most difficult aspects here are actually the load fairing and inter-stage connection.
The first-stage rocket and the second-stage rocket are actually relatively simple.
"The payload fairing must be done well. After all, the thrust of the rocket we developed this time is twice that of the previous one, and its load weight is almost twice that of before. This means that the loading method of the payload must be more precise. reliable."
Regarding the plan proposed by Geng Bo, Zhang Xingyang simply replied:
"As for the problem of separation between the two stages, we can use explosive naked pairs to connect, use aerodynamic separation, and use atmospheric resistance and airflow to achieve the separation between the first and second stages."
This technology is actually not a complicated one. The key lies in the fact that Geng Bo and the others have not independently designed a new rocket configuration before.
After all, the previous Chang 3 B was also improved by bundling four huge booster rockets with the Chang 3 rocket.
Geng Bo wanted to continue asking technical questions about rocket design, but Zhang Xingyang stopped him with his hand:
"If there are any technical issues, we will discuss them at the next rocket structure design seminar."
"Now I just ask you, are you sure you can complete the structural design of the rocket before February next year?!"
It is already the end of the month. If the structural design work is to be completed within February next year, it means that Geng Bo only has about four months and 120 days.
This is a very tight schedule for the design work of a new model of rocket.
However, Geng Bo also knew very well that Zhang Xingyang was a person who would not set any impossible tasks, so he nodded:
"As long as the hospital needs it, no matter how tight the time is, we will get it done!"
After getting Geng Bo's affirmative answer, Zhang Xingyang glanced at the dozens of people in charge of various rocket research and development subsystems sitting in the conference room, and said in an passionate tone:
"Everyone, this work is related to the future of each of us, and I hope you can do it as your most important job at the moment!"
This is no exaggeration at all. This rocket is related to the establishment of the entire low-orbit satellite communication network. What is involved here is the construction of the entire domestic Internet, involving at least trillions of investments, and is related to everyone around us. everyone.
If successful, it means that Longguo has gained an extremely important opportunity in future competition!
