In the past three months, Xu Xingchen's routine construction activities have not stopped. Although there are not many cores of the system, ordinary cores are not unavailable.

The key is that Xu Xingchen has fully confirmed that his construction will not be repeated.

Since there will be no repetition, and the total number of medium-sized ship ladies that you can build is limited, then ordinary cores will sooner or later build the latest warship corresponding to the ship ladies.

After three months, Xu Xingchen built ten-company construction every Monday to twice a week, and so far, the number of ship ladies in contract has reached 520.

The destroyer girl before 052D, and the frigate girl before 054A and 056A are basically complete.

The three series and class ship girls of 052D, 054A, and 56A have already arrived almost one-third.

The Yuanwang series No. 3 and No. 4 also appeared very unexpectedly, and the scientific research power of the Admiral's Office was almost doubled.

The sisters of Polaris and Neptune have also arrived several times, and the power of technology, communication and information in the Admiral's Office has also been exponentially enhanced.

The supply ships before Type 903 have basically arrived, and the landing ships before Type 071 have basically arrived.

The Type 035 submarines are basically all here, but the previous Type 033 submarines are not complete. The reason for the inconsistency is the same as the 056. Their number base is too large...

The same is true for 037 submarine hunting. The number is already quite large, but the base is large, so you can only continue to build and accumulate.

Type 22 missile boats have also appeared during construction. Their number is similar to that of the 033 submarine, with more than 80 ships, and they will not be fully collected for a while.

However, there are still many ordinary cores in my life, and I can collect them all sooner or later.

Now Xu Xingchen feels that the construction of ordinary core is like completing the current fleet, while the construction of the system core is like walking forward.

The fleet of more than 500 people has completed the latest modernization of the comprehensive and latest modernization, and even auxiliary ships have the combat power of the main frigate on Earth.

If you are a combat ship girl, even the 037 is equipped with phased arrays and vertical hair, and you will have certain fleet air defense and strike capabilities.

In addition to the scientific research ship girl who continues to do scientific research, as well as a few traditional ship girl and missile ship girl who command ordinary transformed ship girl to garrison on the local area, they all dispatched to capture the deep sea.

Ordinary transformed ship girls have not yet learned about the deep-sea transformation and cannot participate in this kind of mission for the time being. They just stayed in the local area and absolutely no need to worry about the deep-sea tides.

Xu Xingchen did not attack with the fleet. Unless the opponent suddenly exploded with equipment of the same level as him, it would be the same if there were commanders.

Xu Xingchen took Chaoge to say goodbye to Heiyu. After returning to Yunhai Home Port, he went to the scientific research center to find the scientific research ship girls and prepare for more important things.

The scale of the scientific research center has expanded, mainly because of the addition of ten sets of scientific research equipment. Of course, it is not crowded into one room, but the twelve sets of equipment are divided into three rooms.

In addition to being used by the Yuanwang sisters and Neptune sisters, the additional equipment is for ship girls with research and design capabilities such as Xu Xingchen himself and great engineers.

When Xu Xingchen came, several scientific research ship girls and engineers did not work in their respective rooms, but gathered at Yuanwang No. 1.

When Xu Xingchen came, he had already said hello in advance. After a brief greeting when he came in, he talked about the important matters directly:

"Sister Yuanwang... I should say that sisters, how are you preparing for the rocket launch?"

Among several scientific research ships, the older sister who is relatively suitable for reporting, Yuanwang No. 1 smiled and said:

"The test spacecraft is now ready on the launch pad, and we are doing the last full-true system simulation before the rocket launch.

"We will skip routine tests such as rocket vibration tests and start directly performing spacecraft launch missions.

"The commander can come to the scientific research equipment to check the specific situation..."

Direct launch of satellites in the current environment is a very effective means of connecting the world, especially when its fleet has a fairly mature rocket satellite technology.

"Um……"

Xu Xingchen nodded gently and walked quickly to the scientific research equipment.

Now, one of the screens of this scientific research equipment is simulating a normal launch process.

The screen on the other side shows the structural parameters of the spacecraft and the satellites it carries - it should be said that the structure and parameters of the spacecraft.

The name of the Rocket is changed from Long March 5.

Based on the rocket data in memory, the sisters of Yuanwang completely restored the Long March 5 on Earth.

Then, the materials and scientific research equipment of Shipeng Niang World were used to make overall repairs, optimization and improvements to Pang Wu.

The Long March 5 is the latest and largest launch vehicle that Yuanwang sisters have mastered detailed data and is basically mature. This is the most basic reason for choosing it.

The climate environment of the launch site of Yunhai Capital is also similar to that of the launch site using the Long March 5, which is a secondary reason for choosing it.

Of course, the rocket is now called Long March 5. The modification is not only to optimize the performance of Fat Five, but more to readjust the parameters of the ship girl planet.

This adjustment and adaptation must be done, otherwise it will not be able to be used in this world at all.

Because the key parameter for rocket launch: the first cosmic speed, although nominally it is the "universe" speed, it is actually just a parameter of the planet itself.

In the early space age of Earth, the first cosmic speed was of course a natural thing, but now the times have changed...

After the age of space civilization, this more accurate and perfect expression of "some speed" should go from the planet to the key speed node on the cosmic road.

The planet's mass and size will also have different parameters.

In the future, spacecraft that needs to land and take off on the surface of the planet must have relevant modules for calculating the first and second cosmic speeds.

The ship girl star is a circle larger than the earth, with a radius of 1.5 times that of the earth, more than 3,000 kilometers more than that of the earth, a volume of 3.375 times that of the earth, and a mass of 2.25 times that of the earth.

The first cosmic speed of the earth is 7.9 kilometers per second, while the first cosmic speed of the ship girl star is increased to 9.1 kilometers per second.

First, the cosmic speed is directly related to the speed required to allow the satellite to operate stably. The speed required to operate directly determines the consumption of propulsion fuel, and the consumption of propulsion fuel directly affects the size or load of the rocket.

The fuel, energy and speed required to launch satellites and spacecraft on Ship Girl Star are all higher than that of the Earth.

Therefore, the weight of the same rocket that can be transported to the corresponding orbit of the Earth on the ship Girl Star has been reduced accordingly.

At the same time, the spacecraft engine must also be upgraded, otherwise it may not directly push down the speed specified in the new world, so that the direct launch of the spacecraft and satellite will not be successful.

The GTO load of Pang Wu on the earth, that is, the weight that can be sent to the geosynchronous transfer orbit is 14.5 tons, which will normally drop by a large part.

By leveraging the scientific research methods of the Shiniang World and the comprehensive material advantages, the overall reshaping and upgrading of rockets, including the engine, barely reached the level of 16 tons of load.

Then there are things that the Long March 5 has been re-loaded, including an experimental spacecraft and four test-type planetary synchronous orbit satellites.

The cargo spacecraft will carry several common small animals such as monkeys, cats, dogs, rabbits, etc., and use them as preparation tests for ship girls before they arrive at the sky.

If ordinary animals can be transported successfully, survive normally in spaceships and can return safely, the ship girl with countless times physical fitness will be safer.

As for the four satellites, the sisters of Yuanwang tried to use synchronous orbit satellites to establish the most basic global communications, and Xu Xingchen happened to be used to find and contact other ship-girl civilizations.

Under the most extreme conditions, three satellites can achieve global communication outside the two poles, but four are a little more secure.

On Earth, new rocket satellites and even spacecrafts cannot do such a complex task for the first time, and it is even more impossible not to conduct actual overall inspections of the produced spacecraft.

Xu Xingchen has only built a launch pad now, but has not built a larger overall rocket inspection platform, which is definitely a madman's behavior on earth.

But here, relying on a scientific research simulation system that is completely different from real tests, Xu Xingchen and the ship girls dare to do this.
Chapter completed!