The Qin Dynasty opened the Hengqu Four Sentences, sweeping away all the schools of thought

After discussing the theory of fate with Feiyan, both of them gained something.

Su Xuan knew that the Yin-Yang School observed the stars to predict the future, mainly by observing the nine stars of the Big Dipper, namely the Big Dipper, the Zuo Fu star, and the You Zhou star.

As for whether the campaign against Han and Wei would go smoothly, Feiyan's calculations showed that it was a very good sign, indicating great luck and success.

Su Xuan remained very calm about this. To him, this was an expected result.

Destiny and the stars never show mercy to the weak. The prophecies of yin and yang are not enough to predict major events. As long as you are strong enough, you can overcome everything!

Seeing that it was getting late, he did not stay any longer. He said goodbye and left.

Feiyan looked at the stars in the sky and discovered that the Hongluan star in her fate palace was shining brightly. It was resonating with a bright star next to the Ziwei star, and it seemed as if there was an invisible red thread connecting the two of them.

Is this the marriage line?

In fact, she not only calculated the results of the crusade against Han and Wei, but when she knew Su Xuan's birth date, she also secretly calculated the marriage between the two.

It is said that the phoenix is ​​flying and singing in harmony.

The result is a very good fortune.

When she thought of the two of them getting married and living in harmony, her cheeks became hot unconsciously.

......

Early the next morning, Su Xuan received good news.

It took Gongshu Chou only two days to develop a brand new bow and crossbow and catapult, and their functions were exactly the same as those mentioned by Su Xuan.

When showing the results, Su Xuan naturally would not forget to call Ying Zheng.

"Sir, you are truly my lucky star!" Not long after Su Xuan arrived, Ying Zheng came riding towards him, laughing heartily.

Dozens of cavalrymen followed behind him, among them was Su Xuan's old acquaintance Meng Tian.

Ying Zheng stepped one foot on the stirrup and landed steadily on the ground.

There was an excitement on his face that was hard to conceal, because the changes brought about by the release of the new policy far exceeded his expectations. In just a few days, amazing results were achieved.

Stirrups, high-bridge saddles that were improved from low-bridge saddles, and horseshoes were all invented during this period.

Before the invention of stirrups, cavalrymen could only rely on reins and simple saddles. When charging at full speed, they had to clamp the horse's body with their legs and grab the horse's mane with their hands. Otherwise, they would easily lose balance and fall off the horse. Moreover, they could not use the power of the horse when charging and could only rely on the charging force of their own arms, and the impact force was extremely limited.

With the invention of stirrups, war horses became easier to control. The cavalry could almost walk on flat ground with their feet on the stirrups. Their hands were completely freed, and their combat effectiveness was improved almost exponentially.

Compared with the low-bridge saddle, the improved high-bridge saddle has better stability and comfort, and is more convenient for cavalry charges.

In the past, cavalry served more as light cavalry and were used as auxiliary arms. But now Ying Zheng saw another possibility, which was to use cavalry as the main arm.

Compared with infantry, cavalry has higher mobility, faster marching speed and stronger impact force. When thousands of cavalry charge, the overwhelming and unstoppable momentum is enough to scare the enemy. As long as the infantry formation is broken up, it will be a one-sided massacre!

As a personal user of horse harness, Ying Zheng had the most profound feelings about it. He even asked Meng Tian to organize a cavalry and infantry confrontation drill in the military camp. The final result was a complete victory for the cavalry. The unprepared infantry was like fish on the chopping board in front of the cavalry and had no power to resist at all.

This result made him excited. He decided to vigorously develop the cavalry at the first opportunity. While purchasing a large number of war horses, he asked Meng Tian to train an invincible army, which he named the Golden Fire Cavalry.

"Your Majesty, please send people to focus on the Armory, the horse gear and the advanced weapons we have made. It is not advisable to leak them too early." Su Xuan still maintained a trace of vigilance. "If the spies of the six countries steal the achievements of our Great Qin, countless old Qin people will die in the hands of the enemy on the battlefield in the future."

"Sir, you have considered everything carefully!" Ying Zheng was stunned at first, then he showed admiration.

"Don't worry sir. If there are people who betray me, I will definitely punish them severely!" Ying Zheng promised solemnly.

After the greetings, Ying Zheng set his sights on the new weapon. He was eager to try out its power, but in the end he held his patience and let Gongshu Chou introduce it first.

The mechanical crossbow developed by Gongshu Chou is similar to the Zhuge Crossbow of later generations. It can fire ten arrows at a time. The bow and arrow are like the ox horn bow of later generations. The bow is like a full moon and the arrows are like meteors. The range can reach 150 meters. As for the artillery cart, it was improved into a giant stone cannon. Through the principle of lever counterweight, heavy objects are placed in the counterweight basket. Its force is far greater than the pulling force of the soldiers. Naturally, the boulder can be thrown farther and with greater power.

After Su Xuan and his team finished experimenting with the Zhuge Crossbow and the Ox Horn Bow, they found an open location to experiment with the Giant Stone Cannon.

With a loud bang, the earth seemed to shake, and dust and smoke billowed where the boulder fell. When Su Xuan and his group walked closer to take a look, they saw that a big tree that several people could hug was broken. Even so, the remaining impact force still created a nearly three-foot-deep hole on the ground.

"Your Majesty, the boulder was thrown nearly four hundred meters. If there were no trees blocking it in the middle, its depth would be at least seven feet." Meng Tian took the cavalry to measure it personally. After getting the specific data, he was shocked.

"With this giant stone cannon, even a copper wall or an iron fortress will be smashed through! No matter how solid the city is, it cannot stop the iron cavalry of my Great Qin!" Ying Zheng looked excited. The Great Qin was already the strongest of the seven countries, and now it had many powerful weapons to help it. What could the six countries use to resist?

Now, conquering the six kingdoms is no longer his goal. The Xiongnu, the Hetao area, and every inch of land outside the ocean and territory are his targets to conquer!

He even took the initiative to inquire about the progress of shipbuilding and asked when a ship capable of crossing the ocean could be built.

Gongshu Chou secretly wiped the cold sweat from his forehead. For the first time, he felt that the position of the dean of the Gewu Academy was not as easy as he had imagined.

The ambitions of these two people are bigger than each other, but that's okay. The bigger their ambitions are, the more he can use them to make Gongshu's mechanical skills famous throughout the world!

What Gongshu Chou didn't know was that Su Xuan was already repositioning him at this moment.

Just by telling him the direction and general structure, he can make it in such a short time. He is simply a perfect tool man!

He must squeeze hard until all of Gongshu Chou's potential is squeezed out.

In other words, we don't know the location of Master Ban now, otherwise he would definitely capture him and use him as a laborer, letting the two of them compete with each other and making them always feel a sense of crisis. When that time comes, even if he doesn't say anything, the two of them will do their best to work for him.

Just thinking about it, he felt that this was an extremely wonderful thing.