This is good news for Ruan Shiqing. He can learn from others' strengths and make up for his weaknesses, and familiarize himself with and master the technology of this world as quickly as possible, especially in the areas of vehicles and weapons, which are his best areas.

After a little thought, he began to realize the idea of ​​the engine on draft paper.

The shuttle racing car uses an old-fashioned jet engine, and there is not much that can be modified. After much thought, the only way is to improve the fuel conversion rate.

Jet engines rely on the combustion of fuel in the combustion chamber to generate kinetic energy. The more fuel there is and the more complete the combustion, the greater the kinetic energy generated and the faster the speed.

However, the current engine fuel distribution is too simple and crude. Ruan Shiqing highlighted the key points of the engine combustion chamber: the fuel distribution path of the fuel chamber needs to be optimized, shortening the fuel delivery time while increasing the amount of fuel delivered.

The number of internal fuel igniters must also be increased to ensure sufficient firepower in the fuel chamber.

The entire engine structure diagram soon appeared under Ruan Shiqing's pen, with every key part marked out. His hands were very steady, and the lines he drew were crisp and clear, more accurate than those measured with a ruler - this was a skill he had developed over many years of drawing designs.

Rong Heng was originally just lying on the side basking in the sun, but after noticing the sketch he drew, his expression changed and he couldn't help but slow down his movements and move forward to take a look.

Although he was not a mechanic, he had been on the front line for a long time and had some understanding of the structure of various vehicles and weapons. He also interacted with mechanics in the army. He was sure that even the mechanics in his team might not have the skills of Ruan Shiqing in drawing freehand.

Most of them are used to using various precise auxiliary tools. If they are separated from the tools, most of the mechanics will probably go crazy.

Ruan Shiqing also marked out the engine's main intake turbine.

After pondering over the sketch for a while, he began to add three air guides around it. This air guide can provide additional control for the shuttle racing car when passing through the corners, which is equivalent to a simplified version of the "air controller".

He bit the tip of his pen and stopped again in embarrassment.

The air guide cover is installed around the intake main turbine, and the material hardness must be large enough to withstand the huge air pressure.

Currently known materials are not suitable, and we have to find a suitable metal plate.

Bringing up the list, Ruan Shiqing added another item to it.

In addition to the accessories that Xiong Yuanyuan and his brother found for him, there were a total of six other accessories that he needed to find.

With a sigh, Ruan Shiqing put away the design drawings, and when he turned around, he saw the boy with a burning gaze beside him.

Ruan Shiqing subconsciously glanced at the time and saw that it was already evening. He smiled and picked up the dog and rubbed his nose against it: "What? Are you waiting for your dad?"

Not really.

Rong Heng leaned back, raised his paws and pressed his face, rejecting his intrusive rubbing.

He shook his hot ears grimly.

It would be fine if it was just for a moment, why is it never-ending?

***

The next day, Ruan Shiqing and the Xiong brothers went out to purchase parts.

Rong Heng became curious about Ruan Shiqing's design drawings, so he naturally strongly requested to go along.

Ruan Shiqing had no choice but to put the puppy in his clothes, but the little mermaid couldn't follow him.

He looked at the little mermaid lying on the edge of the bucket and looking at him. He touched the little mermaid's head lovingly and said, "I'll bring you a gift when I come back."

The little mermaid was indeed coaxed into happiness. He waved to Ruan Shiqing, his eyes full of anticipation.

Only after coaxing the little mermaid did Ruan Shiqing go downstairs with the puppy.

The little mermaid swam reluctantly to the window, stretched her head to look downstairs, waiting for Ruan Shiqing to appear in the yard.

Rong Heng seemed to have sensed something and looked up to the second floor, just in time to see the little mermaid looking down eagerly.

whispering sound.

They will pretend to be pitiful.

The group went to the underground market again.

Xiong Yuanyuan walked in front and led the way: "Brother has already inquired about the items on the list. There are several stalls that have stocks recently. Let's go and have a look. As for the metal plates with extremely high hardness that you mentioned, if the existing materials are not suitable, we may have to look for them from military materials."

When he mentioned "military use", he deliberately lowered his voice.

The vast majority of the metal waste on B3024 is civilian waste. Most of the military's metal waste is transported to a more confidential landfill for disposal. Only occasionally a small amount of unimportant waste may be transported to B3024 for disposal.

Therefore, most of the "military" materials circulating on this planet today are illegally smuggled.

Trading is trading, but it is not good to publicize it openly.

"Let's go and take a look first." Ruan Shiqing said.

They first went to several stalls that had stock to compare the quality and price of the parts. Now Ruan Shiqing was also a familiar face in the underground market, and he was more experienced in bargaining. After buying the five required parts at two stalls, he focused on finding the metal plate for the air shroud.

There were not many stalls selling military materials in the market. Ruan Shiqing went to ask one by one but couldn't find a suitable one, so he had to prepare to go home.

As he was about to leave, he heard a familiar shout. He paused and turned back, and sure enough, he found a familiar figure in the corner.

The other party obviously recognized him and greeted him warmly: "Is it you?" He looked at Ruan Shiqing and winked at him: "Brother, you got out of poverty and became rich so quickly? What do you want to buy this time? I have a lot of new goods here."

I bought 09 from him. Although it looks like a shabby little robot, it is actually a military robot with superior performance.

Ruan Shiqing's heart moved, and he said, "I want to buy a metal plate with strong bearing capacity, preferably for military use. Do you have any?"

"have."

The things on this stall were always piled up in a haphazard manner. The other party searched for it for a long time but couldn't find it, so he opened the animal skin bag next to him and took things out.

There were small objects scattered all over the floor. He found three oval metal balls with strange patterns on them and said, "Here, this one should meet your requirements."

"What is this...?"

"Worm."

Ruan Shiqing is not so easy to fool. Worm, a new type of metal, is currently controlled by the government and is only used in large quantities in key areas such as military industry and energy.

There won't be any on a distant garbage planet.

He picked up the metal ball and weighed it. It was not big, but it was heavy. He asked Xiong Yuanyuan to smash it on the ground with all her strength, but there was no mark on the surface of the metal ball. Although it was not Worm, it was different from the metal materials he had seen so far.

"This is not Worm."

After he exposed the truth, the stall owner's smile suddenly became less enthusiastic, and he muttered, "You are really hard to fool. Although this is not Worm, it is only a little bit worse than Worm." He used his thumb to pinch the tip of his index finger to create a tiny distance.

"You name a price, and I'll take it."

"Three metal balls, one thousand star coins!" The shop owner tried to find a reasonable reason for his high price.

"Did you know that in addition to the core material extracted from the Zerg's outer shell, Worm also incorporated rock crystals formed in active volcanoes? These three are all top-quality rock crystals!"

"three hundred."

"Four hundred."

The two looked at each other and finally agreed on the deal at a price of three hundred and fifty.

On the way back, Xiong Yuanyuan held three metal balls and patted them one by one: "Can this really be used as an air shield?"

“You’ll know after you try it.”

None of the existing materials will work, so I have to try everything.

After returning home, Ruan Shiqing took the three metal balls into the workshop.

The metal ball cannot be used directly and must be reshaped using high temperature first.

Ruan Shiqing operated the instrument to heat the metal ball.

Inside the instrument window, three metal balls gradually turned red under the high temperature. Two of them quickly began to melt, but the third one, although also turned red, showed no signs of melting, and the strange patterns on its surface even began to flow slowly.

This metal ball looks obviously different from the other two.

Ruan Shiqing adjusted the temperature to the highest level. The other two metal balls had already turned into red-hot liquid metal and flowed into the molding mold. Only the third pattern remained motionless.

After the shaping was completed and the heat had dissipated, he took out the unchanged metal ball and examined it carefully.

The metal ball is oval in shape, iron-gray in color, and looks like a giant egg at first glance. There are mysterious patterns on the surface, and it feels like gold but not gold, and like stone but not stone, which is very strange.

This unique material, which did not deform even at such high temperatures, aroused Ruan Shiqing's curiosity.

He simply didn't rush to put it into use, but instead dealt with the metal plate that had already been shaped.

There were six long strips of metal plates made from the metal ball. Ruan Shiqing asked Xiong Yuanyuan to help him install them on the engine of the shuttle racing car to test their bearing capacity.

"It can still be used, and it will be almost ready after the matching hydraulic system is installed for regulation."

The two were modifying a racing shuttle in the yard and did not notice Rong Heng quietly entering the workshop.

He jumped onto the workbench with ease and walked around the egg twice.

He had felt something strange when he was at the market before. The aura of this metal ball was different from the other two.

It is alive and is an egg.

Rong Heng frowned and thought for a while, then turned his head to look at Ruan Shiqing. Seeing that he was not paying attention to this, he stretched out his claws and gathered strength to attack the egg.

His injuries were almost half healed, and his strength had recovered by 50% to 60%. Even a strong Bis man would not be able to withstand this attack, but the egg remained motionless.

Rong Heng's brows furrowed more and more tightly, and he had a vague guess in his mind. He raised his paw and tapped a few times on the smart computer that Ruan Shiqing had placed aside, and gave an order to Noah: Noah, scan this egg.

The ingredient analyzer in the workshop starts automatically and scans and analyzes the eggs on the workbench.

Three minutes later, an analysis report was generated on the virtual screen.

Noah displayed the message: Your Highness, this is an unhatched dragon egg. According to data, this egg should be over a hundred years old.

——This is a dragon egg that has been dormant for over a hundred years.

Only dragon eggs have such a hard shell and are not afraid of flames and high temperatures.

Author's comments: Rongzi: Dragon eggs? It's better to roast them and eat them.

——————

New kids are online, 100 kids will be picked and given red envelopes.