Chapter 12 Master Tiekou God Duan Fan

When Fan Wubing heard that there was something wrong with the Rockets, he suddenly felt a little confused.

This incident reminded him of what he learned before rebirth about the launch of the Oscar Star. Some problems did occur. At that time, when the Oscar Star was fired, an engine with the first-stage arrow body was inexplicably shut down on its own after working for several seconds, resulting in abnormal thrust of the rocket. According to the on-site video, the rocket bounced upwards slightly after ignition. After inspection, it was found that one of the rocket's support feet was offset, and it was almost impossible to dump the rocket.

After the accident, after nearly a month of inspection and analysis, the rocket engineering and technicians confirmed that the cause of the fault was that after the booster engine was ignited, the electric explosion tube of the oxidant sub-system of the 1 and 3 booster engine was accidentally exploded, causing the 1 and 3 booster engine to shut down. The electric explosion tube was accidentally exploded because there was trace amount of aluminum excess on one of the control contacts of the program distribution in the ignition control circuit. If it were not for the rocket's safety guarantee system to brake in time, the launch vehicle would take off a few seconds away, and the consequences would be unimaginable.

There are only a few countries in the world that can launch satellites with rockets. Each country has its own braking tricks. Generally speaking, there are only two types, one is program control type and the other is grab type. The principle of program control type is roughly that it takes a certain amount of time to reach the rated takeoff thrust of all engines from ignition to reach the rated takeoff thrust. If a certain amount of time is reached and the rocket has not taken off, it proves that the rocket's thrust is abnormal. Therefore, people can set a delay in the program. If the delay is over and the rocket has not yet taken off, they will immediately turn off all engines. The principle of special grab type is to use some giant mechanical claws to grab the rocket to be launched and then ignite it. When it is detected that the rocket's thrust is abnormal, all engines can be turned off calmly.

The difficulty of using program control is that the delay in the program is difficult to determine. In addition, the rocket may overturn due to the torque effect generated by the unbalanced thrust between its engines during the delay. Although the gripping method can avoid the disadvantages of program control, the synchronization problem between mechanical claws will also cause trouble when the rocket is launched.

For example, when all other mechanical claws are loosened and only one mechanical claw does not move due to a failure, the rocket's inclination will change immediately, which will cause the arrow body to explode.

Although the first Australian Star launch failed, the star arrow was not damaged, which can be said to be a great luck. However, after later inspection, it was found that the first-stage rocket had been ignited and the arrow body was burned. The company had to rebuilt another second-long bundle of rockets, and it took nearly half a year to complete the launch mission.

The launch process of the second Au Star seemed even more strange. The Long Second Bundle of Rocket successfully sent the second Au Star into orbit, but the satellite did not send any signal back. Later investigations showed that the large-capacity satellite made by the Americans exploded less than a minute after the rocket took off. The Long Second Bundle of Rocket was only the remaining residue after the explosion.

Many people are speculating that it is very likely that the Americans planned this failure and added bombs to the satellites, with the purpose of organizing the Chinese who have made great progress in rocket launch technology to enter the international commercial satellite launch market. For this reason, they are willing to lose satellites worth hundreds of millions of dollars.

Although it sounds a bit incredible, Fan Wubing cannot help but beware of this situation. He is responsible for his three satellites. Therefore, while eliminating various hidden dangers of the rocket itself, he also needs to remind relevant parties to beware of Americans using tricks.

If a satellite is decided to be blown up before it is manufactured, then Fan Wubing has reason to believe that Americans will definitely not implement all functions on it. That is to say, a satellite may just be an empty shelf, or it cannot realize the communication function it deserves, and the substitute is a bomb that explodes after being triggered.

The design of the Changer Bale Rocket itself is not a problem. Judging from Fan Wubing's memory, the failures several times were not a defect of the rocket itself. One was the impact of the residuals falling on key parts, and the other was the problem with the launch platform. Therefore, how to remind the base to conduct screening and check key parts is the top priority.

At this time, a group of hypes were already in the small conference room. Whether it was the generals or the senior engineers, they were discussing the problem of the rocket failure. On the contrary, no one mentioned the news that the leader No. 1 came to inspect.

After listening quietly as everyone quarreled for ten minutes, the general gently knocked on the table, stopped the chaotic crowd, and said very cautiously, "People, please be quiet."

The people who were still quarreling for a long time before they calmed down, but judging from their faces, everyone was in a very uneasy mood. After all, before the launch, such news suddenly came out, which had a great impact.

The general asked carefully, "Is a level abnormality an accident or a sign of a major hidden danger? This matter must be clear. Also, in this way, can the rocket still be launched on time? If it is forcibly launched, how big will the risk coefficient be?"

The chief engineer in charge of the rocket project immediately became the focus of everyone's eyes. At this time, he was also a little bit waxed. However, he himself had the most comprehensive understanding of the Rocket. He thought for a while and immediately said, "I have also undergone many inspections before, and all of them have happened. I estimate that this phenomenon is mostly accidental. You must know that the sensitivity of rocket components is very high, or the influence of temperature changes and wind direction, or even the electric sparks generated when the engine of nearby cars ignites, will have a certain impact on it and have some feedback. Therefore, as long as the quality of the rocket itself can guarantee, an abnormal level cannot explain any problem."

For the chief engineer, it supports on-time launch.

However, as the commander of the base and the general in the temporary commander-in-chief, he must consider various factors. What should he do if something happens?

After all, the Long Second Bundle Rockets have had a criminal record.

Before this, there were failures and failures during the rocket test stage. This time, the satellite was loaded, but no mistakes could occur.

"The satellite will be installed the morning after tomorrow for the final debugging, and it will be launched at night, leaving us with only two days and nights to troubleshoot the fault. Can this time be reached?" asked the base commander.

"Snap the time and work overnight, it should be possible to complete it." The chief engineer thought for a while and replied.

"Okay, we will conduct an emergency investigation immediately. If no fault is found before loading the satellite the day after tomorrow, then launch it as planned." Finally, the base commander gritted his teeth and decided.

Everyone unified their thoughts and decomposed the task. Just as they were about to leave the conference room and mobilize quickly, Fan Wubing spoke, "Everyone, please wait a moment, I'll say a few words."

Everyone thinks it is a bit strange. Launching satellites is the matter of our base. Debugging satellites is the matter of Hughes. Although you, Fan Wubing, is rich, but you are just a nouveau riche. Even if the launch is not successful, there will be insurance companies to cover you, and you will not lose much money. What's wrong with you in this place?

Besides, you are a little furious child, do you also understand rocket launching technology?

As soon as Fan Wubing stood up, he saw what everyone was thinking, so he raised his hand and said, "I know, you must all think that I am just a little kid, don't understand Rocket technology, and have no say, right?"

Although the atmosphere was very tense, everyone still felt a little overjoyed when Fan Wubing spoke out the voices of everyone. They thought that this guy was very interesting, but they didn't know what he was going to say.

The general was also amused by Fan Wubing. He smiled and said, "Comrade Xiao Fan is the buyer, so he naturally has the right to express his opinions. Even if you say that, no matter how anxious you are, it will not be a minute or two."

One or two minutes? Fan Wubing thought, I can solve the problem in just a few words, one or two minutes is enough, so he nodded and said to everyone, "You don't have to discriminate against children. Although I am young, I have also started from scratch and created a large foundation. Otherwise, I wouldn't be able to buy three satellites at once. After all, although I am not able to calculate, I am still a little skilled."

"Comrade Xiao Fan, there is no need to promote idealism. We don't have much time." The base commander looked at him and said.

"Okay OK--" Fan Wubing said in a short story, "I also know a little design. This time, the problem should be on the control circuit of the rocket ignition. You can focus on this place and see what impact it has."

An engineer immediately retorted, "The ignition control circuit is the place where we focus on testing. Everything is normal and no failure can occur."

Fan Wubing glared at him without any hesitation and said with some regret, "Of course it's not a problem with the control circuit itself! But have you ever checked it on the spot?! Open the cabin board to see the circuit?!"

"No." The engineer shook his head. He checked the equipment through instruments. Who would take apart the assembled rockets? Isn't that crazy?

Comrade Xiao Fan is an amateur about this! The general thought to himself that he had been in the base for a long time and always understood some operating procedures, unlike him who was just here to be a guest.

However, before the general could speak, Fan Wubing shook his head and sighed, "Then open it and take a look. You will definitely find some foreign objects on the contacts of the circuit board, such as the fine aluminum wires and other things that are screwed off from the screws. If there are more, I won't say much."

Fan Wubing probably had a clear idea at this time. This rocket must be the one that stopped urgently before it was launched. The problem was naturally the original problem. It was just that time was tight and he didn't have time to play with them. He could only point it out in person. If they still insisted on doing it alone, then he had nothing to say. Anyway, the loss was not me!

"Is this situation that Comrade Xiao Fan said possible?" the base commander asked the chief engineer.

The chief engineer was stunned for a moment, thought about the structure of the ignition control circuit, and then replied thoughtfully, "If there is really a little metal foreign object falling on the contacts of the control circuit, it will indeed cause level abnormality. But this situation should not happen, right? Even the screws are selected from thousands of times, so how could there be an aluminum wire being screwed down?"

"Since there is such a possibility, then go and go." At the critical moment, the general spoke, "We did not do some things because we didn't expect them. But we must do what we thought of. If it is really because of a little bit of aluminum wire that affects the launch of the rocket, this lesson would be too painful!"

Fan Wubing then interrupted, "In fact, details determine success or failure."

Of course, Fan Wubing's words were not a good person, but a true and honest word.

Many air crashes in the history of world aerospace were basically caused by some details.

For example, in 1961, Bondalenko, who was identified as the first Soviet Union to be in space, conducted intense training in a cabin full of pure oxygen. During the break, he wiped the body and fixed the sensor with an alcohol cotton ball, and threw it on an electrode plate. As a result, a fire broke out in the cabin. He was seriously burned and died ten hours later, becoming the first astronaut to die in human manned space activities.

In 1974, the United States used a Delta rocket to launch the British Skynet satellite. A small insulating layer was peeled off near a small solder joint on a printed circuit board in the rocket electronic device, causing a short circuit and failed to launch. In 1980, during the second test flight of the Ariane rocket, a staff member accidentally knocked down a trademark of a component, blocking the nozzle in the engine combustion chamber, causing the launch failure. In 1985, the United States launched the Trident missile, and a soybean-like insulating layer was peeled off from the engine combustion chamber. As a result, the high-temperature flame burned through the metal wall there, and the gas was injected outward, and the engine exploded. In 1990, the Ariane rocket launched on the 36th. A staff member accidentally left a wipe cloth in the water circulation system of the first stage engine, blocking the pipeline, causing the rocket to explode.

All the experiences and lessons show that what affects the process of the aerospace industry is often some details, rather than the level of the designer or the manufacturing factory itself.

"Okay, let's check the control circuit immediately." The chief engineer also expressed his opinion when he saw the general and immediately agreed.

So everyone scattered like birds and beasts, and several generals stayed to discuss how to explain the rocket failure to the above. After all, this time the commander No. 1 was coming to inspect. Now that this problem occurs, everyone has a headache.

"My opinion is to report this situation first. Otherwise, when the leader comes, how can I explain it?" a general suggested.

In fact, the base commander also felt a headache to keep up with the general. Everything was fine before, but who knew that it was about to launch, but this kind of problem happened. It really made people wonder what to do.

"Reporting must be reported, but my opinion is that it is best to find out the cause of the fault first. If this situation is implemented and ruled out, the above will be more at ease and satisfied. Otherwise, our work will not be done well!" The general finally made the decision.

"Don't worry, you will definitely be able to find out the cause of the fault." Fan Wubing comforted them, but he was thinking in his heart that if you are willing to listen to my opinion, at least you don't have to be busy.

Fortunately, Fan Wubing's opinion was implemented because there was no clear screening target. Since some people said that there might be problems with the control circuit and pointed out the doubts about the interference of metal residues, they naturally had to start from here. As a result, half an hour after opening the cabin, the staff found this aluminum wire of 0.15 mm thickness on a contact point of the ignition control circuit. After identification, it did fall off a screw!

At this time, the people in the small conference room had not yet dispersed. I originally thought that I would have a banquet for the people from Hughes to have a working meal in the evening. The restaurant was already ready, but the people here were not in the mood to have a meal.

Suddenly the door was opened, and an engineer ran in panting, standing in the middle of the room so excited that he couldn't speak.

"Drink a sip of water and say slowly, what's wrong?" Everyone was very nervous by his appearance.

The engineer was present at the meeting. His eyes turned around and saw Fan Wubing. He rushed up immediately, grabbed his hand and said, "Master! Master!"
Chapter completed!