It is not completely empty. The interior of the base is just divided into partitions, a bit like the closed cabins on a ship. In this way, even if the base is attacked and damaged in a certain place, as long as that place is sealed, it will not cause trouble to the entire Sky Rift Fortress.

These enclosed cabins are highly available.

The enclosed cabins near the base wall can be used to install weapons, which are equivalent to gun bays. The ones closer to the inside can be used to store ammunition and transport soldiers, which can be used for bombing or for airdropping soldiers.

Li Ziyu felt relieved at once. Since the base could be used to install cannons, the area on it could be smaller.

Xiao Ling kindly reminded him, "Master, when installing weapons and transporting soldiers, you must consider the use of psychic energy. If you don't have enough psychic energy, the Sky Rift Fortress won't be able to move."

One sentence woke Li Ziyu up and interrupted his fantasy about the future.

Indeed, this is a big deal.

The Sky-Splitting Fortress is undoubtedly a big consumer of soul energy. Once it runs out of soul energy, it will fall from the sky without being attacked by the enemy.

The greater the weight, the more spiritual energy is consumed, and it will also affect the speed of the Sky Rift Fortress.

There are two things that must be installed in the Sky Rift Fortress. One is the psychic energy storage room, where you can collect psychic energy and store it in liquid form for use in the Sky Rift Fortress. The other is the thruster.

The more powerful the thrusters and the greater their number, the more things the Sky Fortress can carry, and the faster it can fly, but it will also consume more soul energy.

Hiss... It's a bit of a headache, and I have to plan it out.

Li Ziyu rubbed his eyebrows.

He had a mobile castle and two mobile fortresses, and was no stranger to construction, but he had never planned like this before, so he was somewhat flustered.

First, there was the psychic energy storage room. Li Ziyu built eight of them in one go and placed them all in the hangar on the first floor.

The psychic energy storage room does not occupy a large area. It is a metal space with a huge crystal column inside, and liquid psychic energy flows inside.

There are various interfaces on the base under the pillar. Once connected, spiritual energy can be quickly distributed to various places. This is also the technology of the mechanical department.

It is unknown how long the spiritual energy in the eight storage rooms can last. Now that all the equipment has not been fully equipped, it is impossible to calculate. But every time I go to the Sky Fortress, I have to run back to him to replenish the spiritual energy, which is also a problem.

Li Ziyu slapped his head and thought, "Can't I just build a soul energy collector?"

Build more and replenish the spiritual energy storage room at all times. Wouldn't that make it sustainable?

Although I don’t know how much soul energy I can collect in the sky, I can create more.

Li Ziyu did what he thought. He did not put the soul energy collectors together, but placed them separately. He selected a few compartments in the base, placed some in the three hangars, and some on the platform.

After making hundreds of soul energy collectors in one go, Li Ziyu finally stopped.

The reason why he made so many was because the Sky-Splitting Fortress was a big energy consumer, and he didn't know whether the soul energy collector in the air would have the same great effect as on the ground, so he simply made more and would replenish if it was not enough.

Next is the thruster. There are so many types of mechanical thrusters in the system that it makes Li Ziyu's scalp numb. There are so many different types that he doesn't know how to choose.

Installing the thrusters also requires considering the issue of adding a base and expanding the area in the future, which gives Li Ziyu a headache.

Fortunately, Xiao Ling was there. She seemed to be very familiar with these things. With her help, Li Ziyu chose the thruster and installed it on the Sky-Splitting Fortress.

Okay, the basic buildings are done, and now it’s time to get to the much-loved weapons!

First up are the weapons mounted on the hangar walls.

【Ghost Head Double-barreled Defense Cannon】

【Level: Defensive Cannon】

【Category: Mechanical Engineering】

[Ammunition: quadrilateral armor-piercing shells, high-explosive shells]

[Introduction: A self-aware machine gun that can adjust its muzzle 360 ​​degrees for autonomous firing. Its two barrels fire alternately, and its speed is quite good. However, since it is designed for defense, its range is relatively short.]

[Requirements: Soul Core*1, Skeleton*10 units, Metal Plate*100 pieces...]

The appearance of the Ghost Head double-barreled defensive cannon is a circular cover with two gun barrels inserted side by side. In the center of the cover is a skull that can rotate flexibly.

Because the weapon is installed on the outer wall of the hangar, the firepower cannot be particularly strong. Li Ziyu is afraid that the recoil will be too strong and directly damage the wall of the hangar, so he can only use this simple defensive cannon.

The range of this machine gun is about six or seven hundred meters, which is just beyond the base and is enough for defense.

Li Ziyu thought about it and realized that there was no need to install ground-to-ground guns on the Sky-Splitting Fortress platform, as there was little chance of using them. The platform was mainly occupied by buildings and anti-aircraft guns.

Some ground-to-air guns can be placed inside the base, but the main focus should be on anti-aircraft fire.

On the platform, Li Ziyu chose two types of cannons. One was the Rum steam-powered machine gun installed on the Iron Skull, with a total of 32 installed on the four sides.

However, although the Rum steam-powered machine gun is powerful, its rate of fire is not particularly fast, and it is still not enough to be used against a flexible air force.

Li Ziyu chose another Bend high-speed machine gun.

【Bend high-speed machine gun】

[Level: City Defense Cannon]

【Category: Mechanical Engineering】

[Ammunition: Storm Armor-Piercing Bullet]

[Introduction: Designed by the mechanical skeleton Bender, this high-rate steam-powered cannon boasts a rapid and consistent fire rate. As a high-rate cannon, it can fire at a rate of up to 2000 rounds per minute, and with sufficient ammunition, it can fire continuously. However, due to its steam power, it requires Storm ammunition. PS: While its rate of fire is high, its accuracy is slightly lacking, which can be compensated for by using a barrage attack.]

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