Chapter 883 New Equipment of the Navy and Air Force

In fact, after the idea was opened, the progress of the project was much more optimistic than everyone, including Chang Haonan, expected.

This is determined by the principle of light signal propagation.

The speed of light is constant, one of the most basic laws of the universe.

In daily life, electrical signals and optical signals can basically be considered as "instant" transmission.

Moreover, if the electrical signal exists in the form of electromagnetic waves under the condition of complete vacuum, it can indeed be equal to the speed of light.

But if you look deeper, it is not the same thing-

In actual engineering applications, electrical signals often rely on electric current to be transmitted in the medium.

When the medium is a single copper or silver wire, the propagation rate of electrical signals can reach about two-thirds to three-quarters of the speed of light.

There is still not much difference.

However, the conductive medium in a complex system obviously cannot have only one wire.

Various electronic components will have a negative impact on the conduction of current.

The final result may even be one to two orders of magnitude slower than the optical signal.

Therefore, the project team only replaced the cable in the prototype with optical fiber and replaced the supporting equipment accordingly, which greatly reduced the signal delay and distortion.

For picosecond lasers, this is barely enough.

At least it allows other teams to advance the project as planned and put the results on the prototype for actual machine testing.

Instead of everyone stopping and waiting for Huo Penghua's progress.

This also made all the technicians involved in the research and development feel relieved.

Especially Chang Haonan.

He was able to stay in seclusion for one or two months last year and only exchange minimal information with the outside world, because there were no major project nodes and no special changes in the situation that needed attention.

But now it is 2001.

Times have changed.

March is still calm, but the next three quarters, if nothing unexpected happens, can basically be said to be a constant stream of big news.

There are roughly four or five models related to Chang Haonan alone that are planned to be mass-produced this year or delivered in small batches to the troops for trial.

Not to mention the amazing work that was done in the second half of the year -

Although the current timeline has deviated slightly from that of the previous life, whether intentionally or not, Chang Haonan has avoided exerting too obvious influence on the Middle East in recent years.

Just to wait for this wave.

Therefore, as the main leader of the Aviation Power Group and a person who can influence the policy direction to a certain extent, he must be able to do many things at the same time.

Ultrashort pulse laser processing is the largest project on his hands, and it is always good to save some energy from it.

And as if to confirm this idea.

In late March, Chang Haonan, who was busy with the project, received two invitations one after another.

The first one was from Qinfei Group.

The KJ-200 early warning aircraft has completed most of the national appraisal projects.

Considering that the remaining part is to examine the adaptability under extreme weather conditions, it is necessary to wait for the time window to appear before it can be carried out, and the assessment content is only related to the airborne equipment and does not involve the flight safety level. The superior decided to deliver the KJ-200, which was converted from a verification aircraft to a prototype and then to a mass production prototype, to the aviation force for trial in advance.

As the deputy chief engineer of the project, although Chang Haonan hardly showed up during the research and development process, he at least participated in the pre-research and overall plan determination before the project was established, and was naturally invited to attend the delivery ceremony.

Originally, this should be a great thing.

Chang Haonan didn't mind spending two or three days to go to Nanzheng.

However, just when he had arranged his schedule and was ready to reply to Qinfei Group, he received another invitation from Shengjing.

The content... is similar to the previous one.

The J-11B, which has been talking about trial production since the second half of last year, has finally accumulated 12 WS-10A engines for 6 aircraft and can be delivered to the troops...

"That's great..."

Chang Haonan looked at the two envelopes in front of him and suddenly felt a strange feeling that "the children have grown up".

After all, these two projects are typical of "he has been pulled by him, but he did not directly participate in them, and they were successfully completed in the end."

This is also the situation that Chang Haonan hopes to see the most.

The only problem is-

Although they were not scheduled at the same time, they were just one after the other...

This cannot be entirely blamed on the arrangement of the aviation industry.

In the final analysis, the delivery of mass-produced aircraft is actually decided by Party A.

The People's Liberation Army does not engage in feudal superstition, but it is obviously a routine operation to choose a commemorative day for important events.

And these two models, one was delivered to the Navy by Qinfei Group, and the other was delivered to the Air Force by Shengfei Group...

In theory, there should be no impact on each other.

So, both sides chose March 25th.

That was the day when the large-scale exercise in the southeast direction ended 5 years ago.

The meaning behind it is self-evident.

It was just hard for Chang Haonan who was invited at the same time.

The Navy had its own early warning aircraft for the first time.

The Air Force had a completely domestically produced third-generation fighter for the first time.

Two happy things overlapped...

Why did it become...

Ahem...

Fortunately, the delivery ceremony of KJ-200 was in the morning, and that of J-11B was in the afternoon.

It was barely a time difference.

…

Chang Haonan flew from Beijing to Nanzheng the day before, on the afternoon of March 24.

He was accompanied by Zhang Hongbiao, one of the deputy directors of the Science and Technology Commission.

The two of them were old acquaintances.

They had previously attended the celebration ceremony for the completion of the C808 aircraft certification test flight.

“Are you going back to Beijing tomorrow afternoon?”

Zhang Hongbiao asked Chang Haonan when the plane was about to land.

"No."

The latter shook his head expressionlessly:

"After attending this game, I will go to Shengjing to attend the next one..."

This answer made Zhang Hongbiao stunned, and then he couldn't help laughing:

"Yes, I forgot that the delivery of the J-11B is also tomorrow."

Chang Haonan was full of black lines, holding his forehead and sighing:

"So you don't have to go there?"

"No."

Zhang Hongbiao was still able to hold his expression, but his tone inevitably revealed a little gloating:

"There is only one you in China, but our Science and Technology Commission has more than one deputy director. There is no need to bother me... Lao Huai went to Shengjing."

Speaking of this, his tone suddenly changed again:

"This trip was still Lao Huai's own request. He said that he wanted to take a last look at the projects he had handled before retiring..."

Lao Huai, naturally refers to Huai Guomo.

The deputy director in charge of external technical exchanges.

He was also one of the first leaders of the Science and Technology Commission that Chang Haonan came into contact with.

He was deeply involved in the original negotiations on Project No. 11 with Sukhoi.

Including the relevant details of the two tasks of introducing production lines and cooperating to improve the structure of the fuselage.

Now that the J-11B has been successfully delivered, although it is only a trial production batch, it can be regarded as a successful conclusion to the entire project.

When the No. 11 project was signed, I am afraid that even Huai Guomo himself could not imagine that he could see this day before retirement.

After all, to produce a heavy third-generation aircraft from scratch, it is necessary to improve it on this basis.

At that time, it seemed that it must be a long-term project with a cycle of 10-15 years.

And when Huai Guomo retired, the team that Chang Haonan had just reborn, except Ding Gaoheng, had already retreated to the second line, or simply retired.

As for Ding Gaoheng...

Judging from the current situation, it should be possible to take another half step forward in two years.

Of course, whether it can be successful or not, in addition to Director Ding’s own efforts, it is also necessary to consider the progress of Comrade Xiao Chang’s promotion of the timeline...