A small change will bring earth shaking changes. The constraint ring is like this. Qin Guan's proposal opens a new door to the other party.

"What about the second?" Heinz asked.

Qin Guan just said that there are two new technologies. The first one has made your side gain. What about the second one?

"The second is explosive reactive armor," Qin Guan said. "To put it simply, place explosives outside the tank. When the other party's armor piercing and armor breaking bullets come, these explosives will be detonated, so as to change the direction of the metal jet and achieve the purpose of protection."

The principle of explosive reactive armor has existed in this era, but it has a key disadvantage, that is, the sensitivity of explosives.

It is to protect the other party's anti tank weapons. However, if machine gun bullets can detonate it, it will be troublesome. As long as the other party fires with machine guns first, a series of explosions will sound outside the tank covered with reactive armor, and its shell will be killed.

Therefore, it must use insensitive explosives, or inert explosives. It will not explode under the attack of machine gun bullets or shell fragments. It will only explode under the attack of anti tank weapons.

If we can't overcome the difficulties of inert explosives, we can't enter the practical stage.

Now, looking at the Hans opposite, Qin Guan threw out the most lethal words: "we have overcome the difficulty of inert explosives. This passive protection device is fully developed and mature."

"Bragging?" someone across the street immediately said, "if so, take it out and let's test it."

"Of course not." Qin Guan said righteously: "last time, we gave you the most advanced composite armor, and you also tested it. What's the result? Now come to us and say there is a problem with the technology we gave. Don't you think it's too despicable?"

"There's always a problem," said the man dissatisfied.

"It seems that our negotiation can't go on. Wish you old man, why don't we withdraw?" Qin Guan said.

With Qin Guan, Zhu Lao saved trouble. To be fair, Zhu Lao likes scientific research and doesn't like the current negotiation. As soon as Qin Guan comes, the initiative is completely in his own hands.

Stop negotiations? Look at the expression of the Hans on the opposite side, we know that they attach great importance to these technologies. At the same time, it also shows that the disadvantage of the Hans is definitely armor!

Qiaobam's armor was so different that two new armor theories came out. The other party really couldn't control Qin Guan's provocation.

"Well, how can you share these technologies with us?" Heinz asked opposite.

"First complete our current contract and send us the production and processing equipment we have paid for." Qin Guan said, "in this case, we can consider providing these technologies."

The other party bit his teeth and said, "OK."

You can't chew too much. Chobam's armor can't play. Now, he is fooled by Qin Guan.

Both sides left and returned to the Institute of weapons science. Everyone was wearing a spring breeze.

"Qin Guan, you're really good. I'll give you a great credit for this negotiation." old Zhu said, "also, do we have all the skills you said?"

Qin Guan nodded. It's not difficult. From the weapons cemetery of later generations, you can remove a piece of reactive armor at any time. There are many T-72 and T-80 piled up like mountains.

"Qin Guan, have you ever thought that if these technologies are provided to Hans, they will soon spread all over the world. How can our tanks stand out and become the most powerful?" asked Zhu.

This is the most critical problem. Originally, your own technology is backward. It's easy to emerge a strange person like Qin Guan out of thin air. Looking at your armor, firepower and mobility, you will make a breakthrough. Then, you have to look further. How can you keep your technology the most advanced?

"I have reservations," Qin Guan said. "The tanks in our own country want the strongest protection, not based on these armor."

Those explosive reactive armor can be used to improve some old tanks and give full play to their greater potential. However, looking at the later Western tanks, which is covered with reactive armor?

Zhu Lao was excited: "what armor should we use?"

"Depleted uranium armor," Qin Guan said, "this is the most powerful armor among all armor technologies. We want to develop depleted uranium alloy and build our most advanced spear and shield."

The most powerful armor piercing projectile is the depleted uranium armor piercing projectile. Only a self sharpening effect provides higher performance than the tungsten alloy armor piercing projectile, and the protective force of the depleted uranium armor is more powerful. It can also use the shear effect to kill the kinetic energy of the armor piercing projectile.

As for its radioactivity, war is meant to kill people. Why do you care so much.

Qin Guan's statement attracted everyone's attention. At this time, they had never heard of the word depleted uranium.

Therefore, Qin Guan can only explain from the beginning.

The most advanced and powerful tanks in the Han Dynasty have begun to emerge from scratch. Various technologies have gradually matured under the promotion of Qin Guan.

When Qin Guan finished talking, it was already late at night. One second before the meeting ended, I wish Lao Cai remembered a question.

"No, we didn't ask Hans for a sample car when we negotiated today!"

Zhu Lao thought of the T-72. What technology should the new tank follow? It needs to be compared. How can we compare it without the leopard-2 sample?

"We can't worry. Hans are more worried than us. We'll talk about it when they want reactive armor and constrained armor technology," Qin Guan said.

Hans must be willing to buy some sample cars.

There are many stars in the sky. The air in the capital during this period is very good. Except for dust storms in winter, it is almost fresh air.

Qin Guan took a deep breath and came to the capital. He has been busy with official business and hasn't had a good rest. There are so many places of interest in the capital. He should take Yutong around here.

People in this era are devoted to work and have no entertainment at all. As visitors to future generations, work is important and life is also important. Only when life is happy can they devote themselves to work with the best mood.

Model workers are the most glorious. They belong to others. They don't want to be like that.

Returning to the hostel, Qin Guan saw Chen Yutong smiling. There were several shopping bags in the room, all of which were clothes bought today.

"Sister Xiang Jing bought me several clothes today." Chen Yutong said, "it's so beautiful. This big city is really different."

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