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In the uproar of the world, another week passed in the blink of an eye, and the East China Sea Fleet finally returned to the Eighteenth Branch.

After getting off the warship, Li Yan went directly to the west of the island, where the airship was built.

Li Yan was also a little excited when he saw this, which was completely different from the style of Pirate World.

Although it is just a test airship, Levin and the others did not build it very big, but it is more than 78 meters long.

Of course, the 78-meter length refers to the rigid frame airbag above it, not the pod below it.

However, this has also given him the size of a Navy-standard medium-sized warship.

"Levine, when will the test start?"

"Any time, General!"

"Ain, find ten people who can use the moon step proficiently to accompany the whole test session, in case there is an accident!"

"Okay, I'll go right away!"

Although Li Yan is very confident in the technology given by the system and Levin's ability, this kind of thing is the first test after all, so it is better to be careful.

At least...

Bring a group of sailors who can walk on the moon, even if there is an accident, you can save all the researchers who participated in the test, right?

A few minutes later, Ain had returned.

And following her back, there are also ten elite marines in the branch, all of whom have learned the moon step and can use it relatively proficiently.

"Everyone boarded the boat, and each person was responsible for protecting a researcher from the Science Department. If there is any accident during the test, immediately use the moon step to protect the safety of the people in the Science Department. Do you understand?"

"Yes, General!"

Counting Levin, there are a total of ten researchers participating in this first flight test, so Li Yan also mobilized ten sailors for one-on-one protection.

Soon, after all the people and marines from the Science Department entered the pod, Li Yan also walked in with Ain and Nuoqigao.

The pod is not big, about ten meters in length and less than 3 meters in width, but it is enough to accommodate their twenty-odd people.

To be honest, even if Li Yan came from that era, he only knew a general idea about the airship, and he didn't know much about it.

After all, ordinary people usually don't have access to this kind of thing.

Therefore, Li Yan is very curious about everything in this airship.

"Levine, before we start, give us a brief introduction?"

"Yes, General!"

The preparations are all busy by his subordinates, and he does not need to be involved, and Levin also nodded.

"According to the technical information given by the general, this airship should be classified as a rigid airship. Compared with the soft airship, the rigid airship uses a frame-type structure in the airbag, so that it can be built larger!"

"In theory, we can use this design to create an airship comparable to the size of a battleship!"

"Of course, the main volume of the airship is on the airbag. Even if it is made larger, the number of people that can be carried at one time is still very limited. This is also a defect!"

"However, this defect is not insurmountable, and our science department has prepared several options pending further testing for confirmation."

"In addition, according to our design parameters, the theoretical ceiling of this test boat can reach 12,000 meters, and the theoretical speed can reach up to 57 knots!"

Li Yan and the other three listened carefully.

And when Levin talked about the theoretical ceiling and speed, Li Yan's expression became strange.

Can't the ceiling of 12,000 meters go directly to the sky island?

Speaking of which, there are a lot of good things on the empty island...

It's not that Li Yan didn't have the idea of ​​Sky Island, but that he was able to board the Sky Island directly by moon step, and there were not many people in the entire branch.

Therefore, even if you go up to kill Anilu now, it doesn't make much sense to take down the empty island, because ordinary sailors can't go up at all.

Can't let them go up in those dangerous ways?

But with this airship, it is different. I can continuously send troops and some inconvenient things to the sky island, so as to minimize the possibility of my secret leakage.

The key is...

There is still Shandora on this empty island!

Look at the original book, Luffy and the others just packed some small things, and they sold 300 million Baileys after returning to Qinghai.

And think about that huge golden pillar that was carried by dozens...

I'm afraid it's worth at least tens of billions, right?

Not to mention, there is the big bell and the golden ship built by Anilu.

Therefore, as long as he wins the empty island, no matter what major projects he wants to carry out in the East China Sea, he will no longer be short of money.

Once this idea appeared, it could no longer be suppressed.

After all, the gold of Shandora, and such an excellent location as the sky island, for Li Yan...

The temptation is too great!

"Minister, all pre-flight preparations are complete!"

"general?"

Just as Li Yan was thinking about this, a researcher from the Science Department came to Levine to report.

Levine, on the other hand, looked at Li Yan.

After all, with Li Yan here, the order for the first flight was naturally given by him.

"Let's start, you are a professional in this regard, I will not command as a layman!"

"Yes, General!"

Nodding, Levine came to the operator's seat at the front of the pod.

"Blow out the air in the secondary air bag!"

"Yes, the secondary airbag is being deflated... After it is discharged, the airship has gained enough lift!"

"Release the fixed rope!"

"It has been lifted, and the airship has begun to rise. It is currently 0.7 meters per second and is slowly accelerating!"

The huge airship, without the restraint of the fixed rope, immediately left the ground and continued to slowly rise.

However, this acceleration is not fast. Even if the maximum acceleration is reached later, according to Levin's theoretical data, it should only be seven or eight meters per second.

"It's really flying..."

Unlike Li Yan, Ain on the side was really stunned.

After all, people in this world are still very unfamiliar with flying.

This is like the shock of everyone after Li Yan's previous life's first plane was built.

Not only him, but all the seamen who followed to participate in the test, all of them stared at the scene outside the pod.

They really didn't expect ~lightnovelpub.net~ to go to the sky without relying on the moon step...

Unlike the surprised expressions of these sailors, the people in the Science Department are all very serious and constantly busy.

"Pay attention to controlling the attitude of the airship, don't be careless!"

"Yes, Minister!"

"Has the current acceleration been measured?"

"It has reached 2.7 meters per second, and it is still slowly improving!"

"Go ahead, wait until the height of 1,000 meters, inflate the secondary airbag immediately, and stop rising!"

"clear!"

At the front of the pod, Levin was still giving orders.

The first part of today's test is to rise to an altitude of 1,000 meters, and on the basis of maintaining this altitude, try a smooth flight of more than 30 knots.

As for the limit altitude and limit flight speed, those are not things that should be tested for the first flight.

After a few minutes...

"Minister, the height is 1,000 meters!"

"Stop the ascent, adjust the airship attitude and start the thrusters, try to fly smoothly!"

"Yes!"

When the airship stopped ascending and started to fly using the propulsion device, Li Yan also came to the front of the pod and asked a mysterious question.

"Levine, what is the power of the airship propulsion unit?"

"General report, it is the latest Coke power system developed by Carrera!"

"Is it a purely possible powertrain, not the hybrids used on warships?"

"Yes, not using steam power, but a pure Coke power!"

Hearing this, Li Yan was also a little speechless.

Well, should I really say it's Franky here?

He really wants to go all the way to the end of Coke Energy...