Chapter 343: Solving the problem of hitting far
The leaders of the National Defense Working Committee received the report and were a little bit dumbfounded.
What the Institute wants is not the thing that Gao Zhendong wanted to use personally, but he cut off most of it and stabbed it in the long sword factory with his finger. Unexpectedly, Gao Zhendong's hands were itchy and he wanted to toss it. Things that are played for fun are also delicious in the eyes of other units.
This kid makes people uncomfortable.
The leader thought that he was getting a good deal and picked up the phone.
If you can give it, let's first listen to Comrade Gao Zhendong's own opinion. Maybe there will be other gains.
When he makes a call, the connection is naturally smooth and the call will not be disconnected.
Gao Zhendong answered the phone and smiled when his leader talked about this matter.
It’s no wonder that the people at the Guidance and Research Institute are anxious. Compared with the original version of the Sidewinder, the range difference between our imitation Thunderbolt-2 is not huge.
According to the unreliable information he knew in his previous life, the range of the Thunderbolt-2 was only 7.6km. Decades later, the range of the Type-2B only reached 10km.
The Sidewinder (type C), which is about the same size as it, has a maximum range of 17.7km, an effective head-on range of 12km, and an effective range of about 7km in rear pursuit.
Not to say there is a huge difference between the two, at least the gap is obvious.
There are sensor pots and propellant pots.
Now with the help of Gao Zhendong, the sensor has used a second-generation refrigerated lead sulfide seeker, which has greatly improved its performance, but the propellant is still so weak.
So it’s not surprising that people from the Guidance Research Institute were very anxious when they saw the X12. Although it was not very practical due to the different types of missiles, they still felt like they had found a treasure.
Gao Zhendong said to the leader: "Boss, it's okay to give it to them. This thing was originally developed for human use, and it will have no impact on my project."
Really?
The leader of the National Defense Working Committee heard something in Gao Zhendong’s words: “Listening to what you said, do you have any other ideas?”
Gao Zhendong immediately admitted: “Well, yes, In fact, this thing is probably not particularly suitable for them. You remember that I applied for a lot of materials, but in the end you only had this one, right?”
After all, although the parameters can be adjusted, But the adjustment range is limited, otherwise different bombs would not have different propellant formulas.
When the leader heard this, he said, "Good boy, wait for me here. I shouldn't cancel your application in Yin Yang, right?"
“Speak quickly if you have something to say, and fart if you have any.”
Gao Zhendong said with a smile: “Among the formulas I wanted to make at that time, there should be a formula that is more suitable for them. Leader, you Let them come to me and I will talk to them. Anyway, I am an old acquaintance of the Institute of Guidance and Research, and I am still the technical consultant of their institute."
"Okay, then I will ask them to come to you. "By the way, come over in a few days and teach the people here a lesson on the first two chapters of your equipment acceleration test."
The leader smoothly finalized the equipment acceleration test lesson. , while secretly thinking that this guy really has some good stuff, after getting Gao Zhendong’s reply, he approved the application to the Institute of Guidance and Research.
Mr. Song from the Institute of Guidance and Research received the approval, with a look of astonishment on his face. Is it him? It was turned back into his hands.
As the person in charge of the solid rocket motor, when solving the throat lining problem, I already knew Gao Zhendong and his abilities from Lin Lianwei. He is a top expert in materials and has achieved fruitful results. In a few words It solved my fixed hair problem.
I just never expected that this "material" even includes propellant?
Okay, there seems to be nothing wrong with it.
Go on, there's nothing wrong with you. If graphite materials and metal materials are even remotely related, propellants and these things are completely different things.
But that's the fact. This propellant was made by someone else. It just so happened that he was still the consultant of the hospital, so there was nothing wrong with him.
With the approval from the National Defense Work Committee, he called Lin Lianwei and went to the third rolling mill.
Su Weihua: Lao Lin, are you here to accompany me as a guest?
The Guidance and Research Institute acted quickly. The call was made in the morning and the person arrived in the afternoon.
Lin Lianwei looked at Gao Zhendong's house number, "Chief Engineer of the Third Branch Factory", oh, Gao has been promoted again?
As soon as he entered the door, he said happily: "Old Gao, we are here to trouble you again."
After that, he introduced Mr. Song and Gao Zhendong. Although Mr. Song had heard of Gao Zhendong, It was the first time we met.
"Hello, Chief Engineer Gao."
Mr. Song greeted Gao Zhendong while secretly smacking his lips at the position of Gao Zhendong. This is a large factory directly under the Ministry, and the position of its branch factory is not low. .
“Hello, Mr. Song, are you here about solid rocket propellant, right?”
"Yes, I saw your results in the Science and Technology Information Bulletin and it was very useful to us, so I took the liberty to come to you through the National Defense Work Committee." Gao Zhendong smiled and said: "No problem, that propellant was originally used for Gufa Yes, but for you, is that propellant a bit inappropriate?”
Mr. Song nodded: “It is a bit inappropriate, but we want to increase the component. , it should be possible to change the shape.”
Gao Zhendong shook his head: “The range of adjustment is limited, how about this, I’ll give you another recipe to try? It’s more suitable than the current one. If that doesn’t work, then consider the current one.”
What he wants to give them is the STD propellant used in the early model of Citigroup Sidewinder. No matter what the X12 can be adjusted to, STD. It is definitely suitable. Citigroup helped me try it.
At this point, Citi Selection is trustworthy.
And the adjustment of X12 has to be adjusted in the Year of the Monkey and the Horse in the Year of the Monkey. Everyone who works in technology knows that adjusting the finished product is sometimes more troublesome than making a new one, because many conditions have been fixed.
Mr. Song was very happy about Gao Zhendong's words. He would not suspect that Gao Zhendong was trying to evade. They said, I will get you a new one first, and if it doesn't work, you will have to change the old one.
Lin Lianwei looked at Gao Zhendong's head with curiosity, as if he wanted to open it to see what was inside. Even propellants could be wholesaled.
Actually, Gao Zhendong doesn’t know much about this aspect, but most of it is already very advanced for the current domestic technical environment.
Gao Zhendong wrote down the formula of STD on paper, but he did not write down the content of each one very accurately. The amounts of nitrocellulose, nitroglycerin, and DNT (dinitrotoluene) were given as a Let Mr. Song and others try it themselves.
Otherwise, if you get the STD formula through other channels in the future, it will be very strange to see that the two decimal places have the same content percentage.
Compared to the fact that the proportions are the same, the fact that the same materials are used is not a big problem. It can be said that the heroes have the same vision.
As for whether Mr. Song and the others have tested it out to see if it is completely consistent with STD, and whether it will cause performance degradation, don’t worry about this. The range given by Gao Zhendong is quite clever, and basically falls within the optimal ratio. range around.
Mr. Song and the others are not fools. Just like "life will find a way out", so will technology.
Mr. Song is very eager to learn: "Mr. Gao, what is the role of this carbon black here?"
Gao Zhendong is not too self-conscious. Anyway, he copied it himself. It would be better if he could teach more people. : "Burning rate catalyst, used to adjust the burning rate."
"Which neutralizing agent should I choose?"
"Dimethyl diphenyl urea, diethyl diphenyl urea , methyl ethyl diphenyl urea, whatever it is used for.”
“Mr. Gao, I see that the proportion of co-solvent in your formula is very high. Generally, the co-solvent ratio is about 3 points. , but if you have reached 10 points, will it affect the energy of the propellant?”
Co-solvent is used to increase or improve the solubility of nitrocellulose. The co-solvent for non-energetic materials generally does not exceed 3%, with the exception of Gao Zhendong.
"Mr. Song, dinitrotoluene is also an energetic material, so if it is higher, it will not have much impact."
Mr. Song patted his head and laughed secretly that he had even forgotten this. He just saw it. The word "co-solvent" is gone.
Using energetic materials as co-solvents not only minimizes the impact of co-solvents on energy, but this is actually how it is done in many propellants. There are all kinds of energetic materials used. , such as the famous TNT, RDX, and HMX, all have examples of being used as cosolvents in double-base propellants.
Because the main components of double-base propellant are nitrocellulose and nitroglycerin, these co-solvents are not the main energy providers, but more of a process or auxiliary role.
However, in NEPE and GAP propellants, these things are not co-solvents, but the main energy components, including even more explosive explosive ratios such as CL-20.
Like Changjian Factory, Gao Zhendong also explained the production process to Mr. Song. These processes were also not fully considered by them. Even to him, the value of the process is no less than the formula itself. .
After all, the formula is unique, but the process can be promoted and reused.
After communicating for a long time, Mr. Song closed the notebook with satisfaction. Although the outcome of today's trip is not yet known, it should be good to see consultant Gao's confidence.
After all, looking at the formula he produced, it looked just like the finished product. Coupled with the detailed craftsmanship, Mr. Song even suspected that this product had been produced elsewhere.
He also joked: "Advisor Gao, from the seeker to the warhead, and then to the engine and propellant, you almost finished all our work."
Although it is a bit exaggerated, but it is not It makes no sense. The refrigerated lead sulfide seeker, continuous rod warhead, engine casing, throat liner, and propellant are all related to Gao Zhendong.
Gao Zhendong smiled and shook his head: "I just came up with some ideas for these things, how can I be so exaggerated, haha."
"Consultant Gao doesn't need to be modest, your ideas are too big It’s important. It solves the two major problems of shooting accurately and flying far.”
These problems were solved on the Thunderbolt-2 in the previous generation, but they were only solved on the 2B model decades later. A basic solution, but by that time, the solution was already outdated.
Mr. Song, who was full of gains, took Lin Lianwei and ran to the Institute of Guidance and Research. He had to go back and quickly get out what he got today, otherwise he would always feel unhappy.
(End of this chapter)