Sun Chengzong stroked his beard and nodded with a smile: "Okay! Just call it Daming Field Cannon!"

After checking the wooden target, Cao Wenzhao came up and asked in confusion: "General Li Xiao, why can you shoot this cannon so accurately?"

Li Laoer explained: "First, the inner wall of the gun barrel is smooth and the smoothness reaches the standard of Lumi gun; the second is the cork support at the tail of the shell, which not only seals the gunpowder gas, reduces the loading procedure of stuffed into the wooden board, but also makes the shell not roll in the barrel. When the shells fly, the warhead is heavy and the cork support is light, so that the shells will fly much more stably, which is somewhat similar to the principle of feather arrows."

"It's amazing! It's really amazing!" Cao Wenzhao praised repeatedly, "If our army had a few more sharp artillery guns, why worry about Jiannu's immortality!"

"Everyone, the official has not tested the shrapnel yet." Then Li Laoer tested the shrapnel again.

A craftsman held a wet mop and cooled the barrel while cleaning the barrel. Then Li Laoer loaded the medicine bag and the shrapnel into the barrel in turn, pierced the medicine bag and inserted the fuse.

More than 20 scarecrows stood 150 steps ahead of the artillery, arranged in the infantry array of those years.

Li Laoer ignited the artillery, and a ball of flames spewed out of the muzzle. The black shell flew out of the muzzle. After a distance, the shell shell could not withstand the pressure of the infused gunpowder gas and burst out in the air. The iron beads in the shell sprinkled towards the scarecrow like raindrops.

When Sun Chengzong, Yang Guozhu and Cao Wenzhao heard the sound of cannons, they immediately turned their heads and stared at the scarecrow target. They saw a row of small black dots swept across the scarecrow like a storm, and all the scarecrows were blown to the ground.

Cao Bianjiao couldn't wait to run over and ran to the fallen scarecrow. He saw that each scarecrow had several burnt black holes on his body. The projectiles penetrated the scarecrow and pierced deeply into the mud behind. One of the scarecrows was torn to pieces by the projectiles, leaving only a broken wooden rack and straw scattered all over the ground.

"What a great cannon! If he was bombarded by this cannon, he would probably have made a white-armored and red-armored soldier." Cao Bianjiao shouted in surprise.

Two days later, the cannon truck, gun mount and ammunition truck were built. Li Laoer ordered the craftsmen to place the cannon barrel on the cannon mount, and then connected the cannon truck with the ammunition truck. More than 200 kilograms of stone were placed on the ammunition truck, and five gunners were allowed to sit on it. Then four horses were hung and the cannon truck was pulled and run.

Four strong horses pulled the cannon cart and ran quickly, running no slower than the cavalry.

In Tongzhou City, a Portuguese missionary with white hair and blue eyes turned gray was seen by him from Li Laoer's test guns to building a good cannon cart and running with war horses.

"Hello General Li, my name is Lu Ruohan, I am a Portuguese, which is what you call the Folangji people in the Ming Dynasty. I am a missionary." The missionary came up and greeted Li Laoer enthusiastically.

Li Laoer raised his head and looked at the Portuguese carefully. He saw that his hair was white, his original blue eyes had turned gray and his age was probably over 70 years old.

Lu Ruohan? Li Laoer recalled this name. He was Sun Yuanhua's friend. Lu Ruohan also had an excellent artillery expert student named Gongsha Xilao. Later, during the Wuqiao mutiny, Gongsha Xilao was killed. Lu Ruohan jumped into the city and fled. Later, after returning to Guangdong, he died of illness in Guangzhou. The other Portuguese gunners were forced to surrender to the Later Jin Dynasty with Kong Youde. From then on, the Jin Dynasty had heavy artillery such as red artillery. Later, Wu Sangui opened the switch and let the Qing army enter the pass, and the heavy artillery became a weapon to conquer the city and the land.

The cork shell was a secret. Li Laoer naturally would not let outsiders approach it during the experiment. Even Portuguese missionaries were not allowed to approach it. So Lu Ruohan didn't know why the accuracy of this cannon was so high, and he didn't know why the shotgun could hit so far. But when he saw the clever connection between the cannon truck and the ammunition truck, he was very surprised.

Li Laoer asked: "Mr. Lu Ruohan, do you know the two Shangguans, Xu Getai, Minister of Rites and Sun Chuyang, Doctor of the Ministry of War?"

Lu Ruohan smiled and said, "Xu Getai, is Mr. Xu Xuanhu? His name is Xu Guangqi, and he is also a Catholic. The Catholic name is Paul. He is my disciple and my good friend in Catholicism. As for Sun Chuyang you mentioned, his name is Sun Yuanhua, and his student of Xu Guangqi, they are all my good friends."

Li Laoer looked at the foreigner and showed a sincere smile on his face: "Mr. Lu Ruohan, I am very interested in your Taisie geometry, astronomy and geography. I hope we have time to discuss it together."

"Great! General Li, you are the few Chinese people I have seen who like our European science!" Lu Ruohan said happily, "The artillery and artillery chariots you made are very magical, and I am willing to discuss with you. Perhaps, we have a way to help you improve artillery. Also, we can provide some of the gun making and measuring tools you need."

Li Laoer thought for a while and replied: "I want a Qianli Milestone, I wonder if Mr. Lu Ruohan can provide it?"

"That's fine. I can bring a group of thousands of miles from Macau."

Li Laoer put forward the conditions again: "I want to find a group of people who can grow potatoes, sweet potatoes and corn."

"There are people who can grow them, but these crops can only be planted in the south, and there is no way to plant them in the north." Lu Ruohan shook his head, shrugged his shoulders, and spread his hands.

"I'm going to build a batch of flintlock guns that don't use fuses."

"You may not be able to make it yourself, but if you want to buy it, I can provide it to you."

Then Li Laoer suddenly thought of something. He asked Lu Ruohan to wait for a moment, and asked someone to take a pen and red pigment, drew a picture of a fruit on the paper, and handed it to Lu Ruohan: "Mr. Lu Ruohan, can you help me get this kind of thing?"

When Lu Ruohan saw the picture, he smiled and said, "This is a plant native to South America. We use it as a bonsai. In fact, there are many people who plant this kind of thing as a flower seed."

"Beijing? Please help me get a batch of them. I think this plant is very beautiful and I want to plant it myself."

In fact, what Li Laoer painted was chili peppers, which was a good thing. The chili peppers were dried and made into chili powder. When roasting lamb, sprinkle a little on top of the lamb, which was extremely delicious! If you make chili powder and sell it to the Mongolians, you can change from the Mongolians to war horses and cattle and sheep.

Since the court cannot tolerate itself, it is better to go back to the outside of the pass to develop. If you go outside of the pass, you must win over the Mongols. The Chahars and the Mongolians in Mobei can unite to deal with the Later Jin Dynasty. As for the Tumotes, you can actually fight for it. I believe that by then, you can naturalize the commodities such as tea, salt, grain, chili powder, and cotton, you can exchange them for a large number of war horses, cattle and sheep, and you can also take the opportunity to win over the Tumotes.

Lu Ruohan nodded and said, "General Li, if you want our things, you can make a list for me and I'll get it for you."
Chapter completed!