At this time, Sun Yuanhua asked someone to bring the plate armor over.
Zhu Youxiao observed carefully and saw seven white spots and three scratches on the breastplate.
He smiled and said: "This protrusion really works, great, Qianyi, how many people in Houjin and Mongolia have your arm strength?"
Mangui stepped forward and said, "I think it should be about half a percent."
Sun Yuanhua said: "I'm afraid there aren't that many.
General Man is born with supernatural powers.
Scholar Lu even said that he feels inferior to him."
Zhu Youxiao nodded: "That means that this plate armor has no problem in preventing arrows.
What are its shortcomings in other aspects?"
Sun Yuanhua replied: "Your Majesty, it is indeed difficult to pierce with arrows, but if the enemy uses a gun, General Xiangman can pierce.
I have done experiments with soldiers of the Guards, and less than 10% of the soldiers can pierce."
Gun pierced."
"As for using a knife, it is generally useless, but if you use a blunt instrument, it will be difficult.
Although the helmet and breastplate will not break, the head and abdomen cannot withstand such a large force and will be injured.
Even shocking."
Zhu Youxiao thought for a while and said: "I was fooled.
I always thought that Jiannu was really unparalleled in riding and shooting, but Scholar Lu said that the Jiannu they encountered dismounted and shot on foot.
They would wait until our army was defeated before riding again.
Chasing and escaping, as long as we can guard against Jian Nu’s bows and arrows.”
Everyone didn't understand who the emperor had been deceived.
Man Gui stepped forward and said: "Your Majesty, Dongnuchen doesn't know, but Beilu is really good at riding and shooting."
Lu Qin and Zhou Yuji beside them both laughed.
Zhu Youxiao also smiled: "Qianyi, don't worry, there will still be Mongols after Jiannu is pacified.
I want to conquer a big country, so naturally you will help."
Man Guihan smiled and stopped talking.
He had always been worried about his inability to go to Liaodong, so he took this opportunity to speak out.
The emperor understood what he meant as soon as he heard it, but Mangui had been guarding against Mongolia in the north, so it was better to stay and use it against Mongolia.
He then instructed Sun Yuanhua: "Let the plate armor be finalized in this way.
First build an infantry brigade and quickly transport it to the first division.
The replaced iron scale armor will be sold to the Mongols.
Go and see the new fire The case of muskets and cannons.”
Bi Maokang was waiting for the emperor.
After seeing the ceremony, he took out a fire gun and handed it to Zhou Yuji and said: "General Zhou, please try to hit the target in front."
Zhou Yuji looked at the firecracker and saw that it was slightly different from the original firecracker.
The main reason was that the barrel was longer.
He picked up the firecracker and pointed it at the target in front of him and pulled the trigger.
A lead bullet hit the target. .
Zhu Youxiao took the lead in applauding him.
Zhou Yuji was going to clean it before loading it.
Bi Maokang handed over another blunderbuss.
Zhou Yuji took it and continued to pull the trigger.
Seven of the ten shots in total hit the target.
Zhu Youxiao smiled and said: "That's good.
The originally inaccurate fire gun can actually make you hit 70% of the time.
It's a great advancement in technology."
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Zhou Yuji waved his hand and said: "Your Majesty, this should be a problem with the gun, not a technical problem with the minister."
Bi Maokang also stepped forward and said with a smile: "Your Majesty, this is a new type of gun we have developed.
There are some lines carved into the barrel so that the lead bullets can be ejected from the muzzle along the lines, which increases the accuracy."
Zhu Youxiao took a fire gun and looked through the mouth of the gun.
Sure enough, there were several straight lines in it.
It turned out to be a rifled gun.
How could I have forgotten this?
A rifled gun is more accurate and has a longer range than a smoothbore gun.
I had thought about it when developing a flintlock gun, but because the barrels at that time were all handmade, I was worried about adding too much time.
Rifling would slow things down a lot, so I didn't say that.
But later when I got a machine to drill the gun barrel, I forgot about it.
He decided to make up for it, so he said: "The thread in this kind of fire gun can be changed into a spiral shape, and then the bullet can be changed into a long strip shape, which will make the bullet more stable."
He picked up a branch and placed it on the Bullets were drawn on the ground.
Bi Maokang looked at what the emperor had drawn, thought for a while and said: "It will be very troublesome to load bullets this way.
Long bullets are not as easy to load as round bullets, which will affect the shooting speed."
Zhu Youxiao smiled and picked up the branch, pointed at the back of the bullet and said: "Create a cavity here and add a cork inside.
When the gunpowder burns, the cork will expand behind it, so the bullet can be a little thinner than the barrel." , so loading will be easy.
Bi Maokang thought for a moment, then knelt down and said, "Your Majesty is really gifted with intelligence, and I will respect you."
Zhu Youxiao helped him up and said: "Let you take the apprentices, not only to be your assistants, but also to put forward some of your own ideas, and then everyone can discuss them together.
The collision of ideas can produce brilliant sparks.
I I heard a saying that I think makes sense: Be bold in your assumptions and be cautious in verifying them. " Sun Yuanhua, Bi Maokang, Mao Yuanyi and others carefully understood the emperor's words, and the more they thought about it, the more they felt it made sense.
Especially Sun Yuanhua, who under the guidance of Zhu Youxiao many times created some objects that he had never dared to think of before.
The sentence is particularly profound.
Zhu Youxiao said: "Just follow the idea I just said, you try it first, find out the reasons after failure, and report to me immediately after success.
If our Ming army is equipped with this kind of weapon, it will be no more than a country chicken or a dog."
That’s all.”
Everyone nodded in agreement, and then everyone came to the place where the cannon was made.
Mao Yuanyi has already built a twenty-pound cannon, and the cannon body weighs more than a thousand kilograms.
Mao Yuanyi said: "Your Majesty, this kind of cannon can only be used on city walls, and it will be troublesome during transportation and installation.
Is this the only way we can build this kind of cannon?"
Zhu Youxiao shook his head and said: "No, continue to make it bigger.
I want the bigger the better.
This cannon can not only be used to defend the city, but also can be used in naval battles.
Now there are two questions for you to study.
One How to reduce the rebound force?
With such a large rebound force on the ship, it may capsize without the enemy attacking it.
The second is.
In the research on artillery shells, in addition to solid shells and chain shells, you can also try to load gunpowder into the shells and wait for the shells to explode after they hit the ground.
Pay special attention to safety when doing experiments.
Sun Qing, in the mountains.
A test site will be built next to it, where live ammunition will be fired from now on.
Safety is the most important thing. " Sun Yuanhua said: "Your Majesty, there is a large open space on the side of the mountain ten miles away.
There are no residents around it.
It can be used as a shooting range."
Zhu Youxiao nodded, and then said to Wei Zhongxian: "Dongchang must be prepared to guard against espionage and not make any mistakes."
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Wei Zhongxian knelt down and said: "This slave is accepting the decree, but the Holy Master does not allow it.
Not even a bird is allowed to come in."
Zhu Youxiao smiled: "I always feel at ease when factory ministers do things."
Wei Zhongxian cried and said: "I am willing to go through fire and water for the Holy Spirit, even if I die
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