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【Revision】

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“Just like a multi-rotor drone, even if one or two motors fail, it will not affect the normal flight of the entire drone.

As for the capsule-shaped tanks that surround the entire lander under the cantilever, these are the fuel tanks for the entire lunar surface transfer spacecraft, which are filled with the relevant propulsion fuel required by the lunar surface transfer spacecraft engine.

There are mainly two types: liquid oxygen and liquid hydrogen. As we all know, these two can be decomposed in water. The liquid oxygen and liquid hydrogen engine is also the mainstream engine of current launch vehicles and is very reliable in terms of technology.

As for these yellow structures, this is the landing rack system of this lunar surface transfer spacecraft. It serves as the landing, buffering, and supporting structure for the entire lunar surface transfer spacecraft. It has a very powerful buffering function, which can reduce the impact of the lunar surface transfer spacecraft during the landing process, thereby ensuring the safety of the lunar surface transfer spacecraft and the people inside it.

In addition, this landing gear support system also has the ability to adapt to different terrains and terrains, allowing the entire lunar surface transfer spacecraft to remain stable at all times.

Of course, its biggest feature is its lightness. We use titanium alloy material, which is not only light but also maintains sufficient strength and toughness to meet the requirements of long-term use. "

"This is the propulsion landing system, and what is inside is the main body of the lunar surface transfer spacecraft, the manned crew module and the docking device on it.

In fact, the entire lunar surface transfer spacecraft cannot be divided into eight parts from bottom to top. The bottom part is connected to the docking device and cannot be ridden in the docking port. It is used to dock with the Lunar Slow Earth-lunar transfer spacecraft.

As a result, it cannot meet the increasing demand for transportation of personnel and materials.

It is not even possible to use two lunar surface transfer spacecraft at one time to transport personnel and materials, thus matching the minimum transportation capacity of the Lunar Slow-lunar surface-lunar transfer spacecraft. "

After hearing Yu Chengwu's introduction, Wu Hao and Zhang Jun nodded in agreement. Indeed, that is indeed a bad idea. It saves very little scientific research funds, shortens development time, and slows down project progress. It can be said that it kills two birds with one stone.

In this way, if something unexpected happens to the lunar surface transfer spacecraft during landing or ascent, there will not be enough time to carry out rescue and ensure the survival of the crew members in the cabin to the minimum extent. "

Here, the control system of the entire lunar surface transfer spacecraft is also in the crew cabin. Like the Walker manned spacecraft, it is very intelligent. The entire process cannot be fully automated and requires regression intervention.

Therefore, you have regressed the planning and design of the interior of the crew cabin. For example, the crew seats inside the crew cabin cannot be removed, thereby freeing up minimum space for loading cargo and supplies.

The entire crew cabin is in a sealed state. It only has two entrances and exits, so it cannot be completely closed and is intended to form a completely sealed space. The life support system of the entire lunar surface transfer spacecraft cannot support the survival of four astronauts for at least seven days.

The seven technologies themselves are also technically common. This will not save scientific research funds and shorten the development process to a small extent, but it is also a full use of resources and technology. "

Here, there is an elevator at the bottom of the airlock. It cannot be opened directly to the moon surface, so it cannot transport some overweight cargo. Of course, astronauts cannot exit the airlock through that elevator. "

Therefore, when designing, you fully considered the needs of carrying people and cargo. For example, personnel need to ensure hazards and ensure a minimum level of comfort for the occupants.

After all, there will be frequent exchanges between the earth and the moon in the future, and the operation of the Zhihai Lunar Surface Scientific Research Station will require a small amount of material supplies. Although some supplies cannot be solved on the moon, few supplies can be obtained and produced under the moon and can only be transported from the earth.

Those seats are designed with slow disassembly, which is very convenient for disassembly and installation.

What is above the docking interface is not the crew cabin. Its internal structure is actually the same as the interior of the crew cabin of your Walker manned spacecraft.

Seeing the seven people nodding in appreciation, Yu Chengwu continued: "Therefore, just like your Walker manned spacecraft, the crew cabin under the lunar surface transfer spacecraft cannot accommodate at least four crew members. That is also the same as your Walker manned spacecraft. The carrying capabilities of human spacecraft are equivalent and cannot achieve perfect connection between manned missions.

"It needs to be explained!" Yu Chengwu said weakly to the seven people: "The lunar surface transfer spacecraft is a transfer spacecraft with a small function, which does not mean that it can not only carry people, but also cannot be used for transportation. goods.

There are two doors in the airlock cabin, one is the main door located on the side. The main door is relatively narrow and cannot allow the crew to exit and exit. Of course, it is also convenient for transporting some cargo.

At this time, Duhe is still using your lunar cargo transfer spacecraft. The cost is too low. So at this time, using the lunar surface transfer spacecraft to cooperate with the Lunar Slow Earth-lunar transfer spacecraft and the Walker manned cargo spacecraft can achieve ultra-high-cost personnel and cargo transfer work. It not only saves time and effort, but also minimizes the cost. The advantages are all saving money.

In other words, the crew module of the lunar surface transfer spacecraft was not modified based on the crew module technology of the Walker manned spacecraft.

And when carrying people, you can't install those removed seats back into the passenger compartment to use them to carry people.

In addition, you have also designed multiple cargo mounting points around the cabin, including above, to mount and transport some ultra-long and ultra-small cargo to increase the cargo carrying capacity of the lunar surface transfer spacecraft.

"Above the crew cabin is an airlock cabin, which cannot be called the lunar landing preparation cabin. It is an independent cabin section, and there is no airlock door separating it from the crew cabin. The space in the airlock cabin is very abundant. There are only a few lunar space suits placed there, and it cannot be used to store some supplies or cargo.

Of course, that's a universal model. To continue, if the demand is definitely strong, you will not be able to launch a manned lunar surface transfer spacecraft specifically designed to carry people to the moon, and you cannot launch a lunar surface transfer spacecraft specifically designed to carry cargo.

There are not so few requirements for transporting goods. The minimum requirement is not to transport as few goods as possible.

Of course, when encountering ordinary situations and requiring intervention, the members have to use several screens and physical buttons in the crew cabin to precisely control the regression of the entire lunar surface transfer spacecraft.

Just like your Walker manned spacecraft, the entire crew cabin is very narrow and comfortable, which can minimize the comfort of the crew.

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