Chapter 670 921
As if knowing their worries, Gao Zhendong smiled and said: "You don't have to wait for that device. The instruction set and compatibility of that device are highly compatible with DJS-61 and have inheritance. The same is true for the interface, and there are areas that need to be changed. Not much.”
This is the benefit of developing on a common architecture. The Wintel alliance in Gao Zhendong's previous life can develop into what it is, which is inseparable from good compatibility. Although a lot of price has been paid for this, at least in the early stage, is very beneficial.
At least in Gao Zhendong's view, it is much better to pay for compatibility than to pay for the interface.
As soon as Mr. Mo and the others left, Gao Zhendong couldn't help but hum a song.
Hey, if you can even get the laser gyroscope, then your ideas will be one step closer.
——
It is already October, the weather is getting colder and colder, and the cold wind is blowing in the hinterland of the desert.
It was a night, and on a launcher in the base, a shining silver missile stood high.
It looks like the size is not much different from the Zhanguyi launched more than a year ago, and even the appearance is not much different.
Soldiers wearing chemical protective suits were shuttled back and forth, busy.
A group of people stood in the distance, watching the soldiers at work.
"This War Drum No. 2 has finally been completed. I don't know what the results of this test launch will be."
The person who said this was none other than Mr. Jin, the model chief engineer of Zhangu No. 1 and Zhangu No. 2. Next to him, Mr. Cai, who worked on the engine, and Mr. Zhang, who worked on the guidance system, and other subsystem bosses stood.
This Mr. Zhang is Gao Zhendong’s senior fellow at Wudaokou College.
After hearing what the boss said, Mr. Zhang was cheerful and optimistic: "I am quite optimistic about this thing, at least that is my part. This thing uses strapdown inertial navigation and the control system is DJS-60DJ, although the accuracy is not as good as the DJS-60DJ. It’s a big change, but at least the weight of the inertial platform and control system is saved and sent to Lao Cai to load the fuel, and the addition of strapdown inertial navigation also greatly increases the range of the missile.”
The reason why the War Drum 1 cannot hit far is not only the problem of liquid hair, but also the problem that it is useless if it hits far, it is not accurate, and its inertial navigation system is not perfect.
Even if the theoretical range is extended to 1,500 kilometers, no one knows where the impact point will be. If we really talk about this matter, Zang San will not feel sleepy anymore.
Mr. Cai is also relatively optimistic: "It shouldn't be bad. At least the hard range can meet the target requirements. The only problem is whether it can achieve enough circular probability error."
Mr. Zhang was unhappy when he heard this. What does it mean? Don’t forget, my junior brother provided you with your rocket fuel.
"Don't worry, the 1,000-meter circle probability can still be hit. This means that the missile's range is not too far, and the starlight guidance is not yet mature, otherwise it can be better."
Don't look at the 1000-meter error, which seems to be exaggerated, but you have to consider what kind of warhead this thing was originally intended to be used for.
The original Zhangu-2 had an error of 1,500 to 3,000 meters. This data alone was enough to become our first ballistic missile officially put into service.
In Mr. Zhang's hands, with full inertial navigation and the computing power of the DJS-60DJ, he lived up to his junior brother's kindness and worked hard to reduce the CEP of the Zhangu-2 missile to 1,000 meters.
However, for starlight guidance, DJS-60DJ is still almost interesting, and with the range of War Drum II, starlight guidance seems a bit luxurious.
Speaking of this, Mr. Zhang smiled and said: "Lao Cai, didn't you say that the new fuel for your engine can be stored at room temperature for a long time? Why do you need soldiers wearing gas masks to add it now?"
Trimethylhydrazine is highly toxic.
Mr. Cai didn’t take it seriously: “This is not a full process test, so we start with adding fuel. Don’t worry, we have done a storage test. This fuel can be stored on the bomb for half a year without any problems.”
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Looking at these two comrades, Mr. Jin was also smiling. Compared with War Drum No. 1, Zhan Gu No. 2 has only one type of warhead for the time being. The biggest improvement lies in these two people.
So the two of them bickered most frequently.
Time passed by minute by minute, and the preparations were coming to an end.
A commander ran to the group of people: "Report, all preparations for the test firing have been completed, please give instructions!"
President Jin raised his hand to look at his watch and gave the order: "Everyone evacuate and enter the bunker!"
"Yes!"
The commander picked up the walkie-talkie and issued the order. Soon, the soldiers beside the launch pad formed several teams and ran to evacuate in an orderly manner.
The sound of running "chuck...chuck...chuck..." conveys an inexplicable surge of adrenaline.
Mr. Jin also led everyone into the semi-underground command post.
There was a report on the radio, and everyone had evacuated to a safe area and entered the bunker.
"Begin pre-launch testing."
Following Mr. Jin's order, each department got busy.
"XX system is normal..."
The same voice sounded again and again.
Everything works fine.
"Ready to launch, countdown!"
"10, 9... 1, 0, ignite the fire!" The female comrade who told the time had a steady and powerful voice, and the trumpeter pressed the red launch button.
On the launcher, it seemed to be frozen for a second, and then a large amount of brown-red smoke was ejected from the bottom of the missile, and the fire was everywhere. The missile slowly lifted into the air, dragging a stream of light, and flew towards the distant night sky. No one cheered or applauded. It had just taken off and it was still early.
"XX tracking is normal!" A voice will come out every few dozen seconds.
These are several radar stations along the way, tracking and mapping the flight trajectory of the missile. Every normal sound means that the missile has flown hundreds of kilometers.
These radar stations are all located in the desolate and inhabited Gobi Desert along the line. In order to test missiles, the comrades at the radar stations have traveled thousands of miles to set up radars and stick to these desolate places, just for the occasional missile to fly through the sky. .
More than 100 seconds later, a Verizon-5 was hovering over the predetermined target area. The predetermined target area was large and the missile's impact point was uncertain. It was dangerous to place observers on the ground.
It was already night. When the missile flew here, the fuel had already been burned out. It was very difficult to observe the impact point with the naked eye.
But the comrades on the helicopter are not worried, they have a secret weapon.
An observer was staring nervously at a black-and-white monitor. On the monitor, the dark desert was roughly visible to the naked eye.
This is an RX-61 line scan thermal imaging camera, specially modified for this Veri-5 for testing purposes.
Suddenly, a bright spot flashed on the monitor, and then a cloud of smoke rose from the ground.
"It's coming, it's coming!" the observer said happily.
This means that regardless of whether it is accurate or not, at least the problem is far from being solved.
Under the guidance of the observer, the helicopter flew towards the impact point. At this time, the sound of missiles breaking through the air caught up and reached their ears.
As the plane flew, the observers on the helicopter reported the news of the missile landing to the command post.
After many forwardings, the news was returned to the launch base.
After listening to this, President Jin announced loudly to his comrades: "Comrades! Our Zhangu No. 2 test bomb has successfully flown a distance of 1,700 kilometers and hit the target area!"
"Oh...oh..." The comrades who had suffered for more than 100 seconds breathed a sigh of relief and cheered.
Hats were flying all over the place for a while, and this was the only thing that could be thrown without causing problems.
There were also a few lonely small houses in the vast Gobi desert that cheered.
Mr. Cai was extremely proud: "Old Zhang, I have successfully completed the things that are not far away. The next step is up to you."
The missile splashing down in the predetermined target area can only prove that the range is sufficient, but the target area is very large, and it is not known whether it is accurate or not.
Mr. Zhang didn't take it seriously. He was also very happy. Regardless of whether the error was satisfactory or not, at least there was nothing wrong with the general direction of the guidance system, otherwise the missile might have disappeared halfway.
Zang San: Huh? Who is calling me?
He was very confident: "Just wait and see, haha."
The comrades all laughed. At this point, the mission of this test bomb has actually been completed - Zhangu No. 2 can really hit such a far distance!
As for whether it's accurate or not, even if it's almost correct, it's not a big deal if you change it.
While everyone here was rejoicing, the Chui-5 had already flown over the impact point, but it did not fall in a hurry.
The pilot hovered the aircraft over the side of the bomb's impact point, and the observer comrade operated a laser rangefinder and other surveying and mapping equipment to measure the position and angle between himself and the bomb's impact point and center point.
After inputting several data into the computer, a number immediately jumped out on the computer screen.
"920.8"!
The observer was so excited that he patted the cabin wall of the plane and shouted: "921! 921!"
The pilot barely heard the number clearly amid the huge roar, and laughed happily.
As the plane descended, comrades from afar on the ground were also driving over.
The news quickly spread back to the command post.
In the command post, the only person who suffered the most was Mr. Zhang. His system had not yet been fully verified.
After receiving the report from the front, Mr. Jin looked at Mr. Zhang and laughed.
"920.8 meters! 920.8 meters away from the bullseye!"
"La la la la..." All the comrades burst into applause, congratulating these designers who have put in countless efforts.
Amid the relieved Mr. Zhang's laughter, an encrypted telegram was sent to the National Defense Work Committee.
"The first test launch of Zhangu-2 was a complete success, with a range of 1,700 kilometers and an error of 920.8 meters."
The range of 1,700 kilometers, or at least 1,500 kilometers, is very particular and is not determined by our heads.
As we all know, our map is a big rooster. Draw a circle with a radius of 1,500 kilometers on the chin of the chicken, or draw a circle on the feet of the chicken in the west, or draw a circle on the snowy plateau, and you will know which areas can be covered. place.
Our research team was very restrained and did not conclude that the circular probability error of Zhangu-2 was below 1,000 meters. This could only be determined through a series of test firings and statistics of multiple bombs fired.
(End of chapter)