One Thousand Four Hundred and Thirty-One The Solution Is Thought Out

Ye Han suddenly discovered that the air pressure from the ocean under the ice was not as high as he had imagined. Two icicles were so weak, and one more probably wouldn't be enough. 品书网

However, two were enough. Although they failed to block the ice cave, the gap left was very small, and the surging airflow was greatly weakened. If the original airflow was a big river, then the current airflow was a trickle, so gentle that it could almost be ignored.

Ye Han was a little worried that the airflow could not support the icicle. Once the icicle fell, it would be a lot of fun.

But the situation was more ideal than expected. The steam from the bottom of the cave slowed down and swirled under the icicle. The water vapor was slowly absorbed by the ice, and the icicle and the ice wall were frozen together. Even the few leaking gaps were blocked by the frozen steam.

This was really a pleasant surprise. Ye Han first contacted Leishan, confirmed that the communication was unobstructed, and then observed for a while. He made a gesture to the soldiers to start the action until he was sure that the icicle would not fall.

The soldiers who had prepared in advance immediately took action, set up the hanger on the ice platform with a variable diameter, and continued to release the drone to the bottom of the cave.

This place is still 100 kilometers away from the bottom of the cave, and the drone can't land for a while. Ye Han was impatient and called all the soldiers together to study how to make the drone land under the ice quickly.

Everyone discussed it in a hurry and really came up with a practical method: after the ice cave was sealed, there was still a certain amount of air pressure in the cave, and there was air to use a parachute, so there was no need for a winch at all, and the drone could be thrown down directly.

The method was good, but someone immediately raised an objection: the air pressure in the ice cave was too low, and the parachute area was not enough. If it was thrown down directly, the parachute would not have any deceleration effect.

"This is easy." Ye Han immediately thought of a solution, "Use a laser gun to make a hole in the ice column to allow air to flow. If one is not enough, two will definitely be able to support the parachute."

Everyone nodded immediately, and they all thought this was a good idea.

The solution was thought of, but there was no preparation in advance. There was no parachute in this damn place, and everyone could not find a substitute. There was a solution but no conditions for implementation.

"How about we poke a hole in the ice, have the warship send down a batch of parachutes, and then seal the hole?"

Ye Han rolled his eyes helplessly: "If we have that time,

the drone has already reached the bottom!"

"Yes!" He Lu agreed in the communication, "It's better to jump down directly with the drone, and then use the flight bag when you reach the bottom, it's more convenient."

Luo Qi immediately agreed: "Good idea!"

Ye Han said angrily: "Go away, stop talking nonsense to me here, do what you need to do!"

A team leader suddenly said: "Captain, if we make a few more holes in the icicle, can we do without parachutes?"

Everyone was stunned, and then suddenly came back to their senses. Ye Han patted the shoulder of a team leader: "Okay, Luo Qi, organize people immediately, what should we do?"

"I know!" Luo Qi replied immediately, "Come with me!"

"I'll go!" A team leader took the initiative to stand up.

"Okay, go ahead." Ye Han nodded in agreement. The team leader turned around and was about to leave when he was suddenly stopped by Ye Han, "Wait a minute!"

"Captain!" The team leader hurriedly stopped.

"So, you put the drone down first, and then punch through the icicle when you are almost at the bottom, understand?"

The team leader suddenly realized: "I understand, I understand!"

"Okay, go ahead!" Ye Han said.

The team leader led his team members out of the side hole and came to the platform at the lower change of diameter. Everyone first nailed the fixed rope to the ice wall, and then waited for the team leader to give orders.

The team leader was not in a hurry. He first commanded the soldiers to hang an unfolded drone in the ice cave, and then took out the laser gun, aimed at the posture of fixing the armor above his head, and made sure that he would not deviate from the target due to the movement, and then carefully fired at the icicle.

A thin laser fell on the ice, and soon melted a hole as thick as a finger.

The steam that had long stopped flowing began to flow again, and a weak airflow gushed out from the bottom of the cave.

But this airflow was too weak to support the drone.

A team leader wanted to make another hole, but after a moment of hesitation, he gave up the idea and changed to expanding the previous hole.

As the laser beam swayed, the hole in the ice column became larger and larger, and the airflow from the depths of the ice cave became stronger and stronger, gradually reaching the standard for releasing the drone.

The soldiers immediately called the team leader, and after getting the team leader's approval, they let go of the drone.

The drone fell lightly into the cave and quickly fell into the depths of the ice cave... The drone inevitably collided with the ice wall during the fall. In order to reduce the damage caused by the collision, the drone's eight claws were all opened to protect the fuselage. No matter how it hit, there were mechanical legs to cushion it.

The team leader determined through the signal sent back by the drone that the drone was falling at a speed of about seven meters per second. The speed was not slow, but it was still within the tolerance range.

The team leader breathed a sigh of relief, counted to ten in his mind, and then put the second drone into the ice cave.

After releasing seven drones in a row, the team leader stopped, looked up at the icicle above, cut off a fist-sized piece of broken ice from the ice wall, and threw it hard. The broken ice rose with the airflow and accurately blocked the hole in the icicle.

The airflow suddenly weakened, and the falling speed of the drone increased sharply.

The team leader sent another set of control signals to the ice cave, and the drone hanging below immediately cut off the high-strength fiber and became a free fall like other drones.

The team leader pointed to the icicle above and instructed: "Watch it. If the airflow breaks the ice, add another one immediately!"

"Yes!" The soldiers agreed in unison and stayed on the platform to monitor the position of the drone. A team leader returned to the side cave to report the situation to Ye Han.

After learning the details, Ye Han calculated that it would take only more than six minutes for the drone to descend to the bottom of the cave. Taking into account the air resistance in the ice cave, it would take about seven and a half to eight minutes.

This speed can be much faster with a winch, so Ye Han simply did not stay in the side hole. He said, "Let's go," and personally led everyone to the platform to monitor the position of the drone with the soldiers.

The drone fell deeper and deeper, and the light of the lens became dimmer and dimmer. Even the night vision lens could only send back blurry images. In desperation, Ye Han could only give the drone a signal to turn on the infrared fill light, and the image sent back by the drone immediately became clear.

After waiting for a while, the drone had been falling for more than eight minutes, but there was still no sign of reaching the bottom. Ye Han was wondering what went wrong.

Is the ice layer here particularly thick?

Ye Han was just thinking about it without any clue, when a soldier suddenly exclaimed: "We're here, I see the water surface!"