At 4:30 p.m., Wu Hao accompanied Erma to the observation post at the launch site.

The rocket launch has entered the final countdown stage, so the entire launch site and even the entire base have been put under martial law.

The launch is semi-open, so many media reporters were invited to witness the launch and the whole process of recovery.

Therefore, on the desert road far away from the base, there are many astronomy enthusiasts who have received the news in advance and many tourists who have seen the excitement.

So this also makes it so that there is no launch yet, and related news and news have been flooded on the Internet.

"666, this should be the world's second retractable launch vehicle."

"No, many companies and countries are currently experimenting with retractable launch vehicles, and this should be the second commercially interested retractable launch vehicle to be officially launched."

"As long as there are many formulas, everyone can be the first."

"Keyboard Warrior, if nothing else, let's just say that this retractable technology is absolutely advanced in the world."

"Don't brag yet, it's still unknown whether it will be successful or not."

"I hope it can be successful, this is a huge leap forward for domestic aerospace technology and private aerospace industry."

"I just like Wu Hao, don't talk about it, see the truth in your hands."

"It's true, Wu Hao is more pragmatic, and everything he says has been realized."

"I heard from experts that the landing method of this rocket will be different from the Falcon rocket, which uses a combination of parachute and engine recoil. Which is better or worse than the Falcon rocket landing and recovery method? ”

"Needless to say, of course the Falcon rocket is stronger."

"It's the same as the outside, everything is foreign."

"Originally, in terms of rocket technology, people are at the forefront, isn't it an objective fact?"

"Yes, but you can't generalize. These two technologies have advantages and disadvantages to each other. Either way, as long as the rocket can be successfully launched and landed safely. ”

"That's right, black cats and white cats, and catching mice is a good cat."

"In fact, Haoyu Technology can adopt this technology, which shows that they are very smart and give full play to our own strengths and avoid weaknesses.

What are the shortcomings of Haoyu Technology, or what are the shortcomings of our entire domestic aerospace industry, or rocket engine technology.

To put it bluntly, we do not have engines in our country for the long-term work of rockets. Note that here for a long time, the requirements for engine technology, especially materials, are much more stringent, even harsh.

Ordinary disposable rockets have no such concerns at all. Their task is to be able to work safely and stably for tens and hundreds of seconds, and then die.

As for the retractable rocket, not only the whole launch process requires the engine to work normally and stably, but also the rocket engine is still working during the landing, so that the working operation time of the rocket engine is difficult to compare with the general one-time rocket.

And this is only one mission, like the Falcon rocket, the longest can perform four or five launch recovery missions.

According to the information officially released by Haoyu Technology, Wu Hao's 'Jianmu No. 2' can be retracted as the first-stage rocket body of the commercial launch vehicle, and its design will be reused six to seven times, or even more.

In this way, there are very high requirements for the quality of the rocket's engine and even the entire first-stage rocket body.

The landing technology of the combination of parachute and rocket engine used by Haoyu Technology seems to lag behind the technology of Falcon rocket landing directly with the engine.

But in fact, it is also very complicated and difficult, although the additional parachute may require hundreds of kilograms of weight, but this part of the weight can completely save almost the same volume of fuel used in the landing of rockets.

Moreover, this parachute can be reused, which will further reduce the cost of a single launch.

Because there is a parachute that slows down during landing, the engine can be temporarily shut down and restarted when it is close to the ground, so that it can land at a speed that is within the safe landing speed.

In this way, not only does it save fuel, but more importantly, it saves the working time of the rocket engine.

So don't underestimate this landing method, it's actually very advanced, and there are very few countries that can realize this technology, let alone enterprises.

If this launch can be successful, it will certainly be a comfortable and colorful stroke in the field of domestic aerospace technology and even in the field of world aerospace technology. This also means that the domestic commercial space market will usher in new opportunities, and the launch price of various spacecraft, including satellites, will be further reduced. ”

"What age is it, and I still send a long article, if I have this time, I might as well go and chat with my little sister, I deserve to be single."

"Having said all that, what does this have to do with us ordinary people."

"When the country is strong, the people are rich, how can it not have an impact."

"I'll answer, let's go back to the brother above, I already have a child, what about you?

The development of aerospace technology is also very closely related to our general public, the most common such as our Beidou navigation system, although it seems to be very tall and distant, but in fact it is closely related to our lives.

The location information on our mobile phones is basically provided by the Beidou navigation system, including you taking a taxi, ordering takeaways, etc., which also rely on the Beidou navigation system.

Secondly, there is the communication system, the previous TV satellite antenna, maritime satellite phone, etc., as well as Musk's Starlink plan and so on.

In fact, our country also has its own Starlink plan, named 'Hongyan', but due to the cost of launch and related technology, it has not been implemented on a large scale. If this rocket is successfully launched this time, it will greatly promote the construction of this 'Hongyan' project.

Finally, a little bit of inside information. Haoyu Technology is currently developing its own spacecraft and plans to launch it next year. If successful, she will also be one of the few technology companies in the world capable of launching spacecraft. ”

"Damn, this is the real big guy!"

"Big guy, where did you get the inside information, what is Haoyu Technology's spacecraft, is it a manned spacecraft?"

"It can't be a manned spacecraft, it's not so fast. The big guy can say that it will be launched next year, and it looks like it should be an ordinary spacecraft. ”

"For example, similar to X37B and the kind of returnable unmanned space vehicle that is very mysterious in our country?"

"I'll go, if yes, that's awesome."

"It's impossible, that kind of strategic weapons and equipment at the national level, how can Haoyu Technology, a private company, be qualified to intervene in this field."