As soon as Sheng Changying arrived, An Jiu estimated that Zhu Pianqi would come over when she smelled it, and sure enough, she came with Lou Xiaowu the next day, and found a very wonderful excuse - Xiao Wu wanted to return to Mo Si.

As a result, as soon as the two of them went to the island, Zhu Pianqi casually threw Lou Xiaowu into Anjiu's house, and ran to find Sheng Changying by himself.

An Jiu looked at the girl in front of him who was buried in fiddling with the crossbow, and said in his heart, just like this, do you still have time to think about Mo Sigui?

After An Jiu finished practicing a set of plum boxing, he sat opposite Lou Xiaowu and rested for a while, bringing a cup of tea, "Why don't you go to see Mo Sigui?" ”

Lou Xiaowu said without raising her head, "Sister Zhu said, I will live on the island in the future, and I will see you sooner or later!" ”

She actually came this time to have nothing to do with Mo Sigui, if the reason why she had to come, it was to discuss the matter of the small crossbow with An Jiu. Last time in the Hebei camp, Lou Xiaowu found that An Jiu was a genius in terms of ordnance, and the advice he gave could be called "a stroke of genius", so he occasionally wanted to meet her. As for Mo Sigui, it was entirely Zhu Pianqi who heard that he was her savior, so he made his own reason to arrange it for her.

Lou Xiaowu assembled a small explosive crossbow and handed it to An Jiu, "What do you think?" ”

An Jiu looked at the prototype of this "gun", her heart was a little excited, she put down the teacup, looked at the crossbow, and quickly disassembled it.

Lou Xiaowu was slightly stunned, and the speed of An Jiu's dismantling was even twice as fast as her.

"How?" Lou Xiaowu looked at her expectantly.

Anjiu put all the parts on the table one by one and picked up the bullets, "You said that it is difficult to find things that make crossbow arrows, why don't you change your mind?" With such a strong push force, it is estimated that the arrow may explode before it leaves the barrel. ”

"You're right." Lou Xiaowu's almond eyes lit up, and she moved her farts on the chair several times excitedly. "I've tried it with something else before, and it's blown up within five feet, and I've tried replacing the arrows and shafts with iron. It turned out to blow up faster. ”

"Of course, in the process of rapid rollout, the heat of friction alone should not be underestimated." An Jiudao.

"You say a different idea, a different idea?" Lou Xiaowu asked.

"This arrow can not rely on the explosion to injure the enemy." Anjiu dipped his tea and drew the shape of a bullet on the table, "Guess how lethal this is." ”

The appearance of the bullet is much simpler than the arrow, Lou Xiaowu frowned and looked at it twice, and shook his head, "I can't guess just by looking at the appearance." ”

Since An Jiu asked. The lethality of this thing is definitely not small, if it is a solid iron weapon, it is just an ordinary hidden weapon, so Lou Xiaowu guessed that there must be a mechanism in it.

An Jiu found a pen and paper in the house, and planned to draw it for Lou Xiaowu, but the brush was really difficult to control, even people who could write Chinese characters might not be able to draw slender and smooth lines, not to mention An Jiu's level in childhood! I thought about it for a moment. Yasuku still decisively abandoned the paper and drew on the ground.

Yasuku carefully drew out the internal anatomy of the bullet.

Lou Xiaowu's eyes widened, she didn't expect that something that looked so simple on the outside. The internal structure is even more complex than the entire crossbow machine.

"This is the warhead, this is the body, this is the primer." Anjiu disassembled the bullet again, "There are shell slots on both sides of the warhead. Single-sided clamping groove, the arc shape of the warhead reduces drag and makes it easier to pierce the object. The outer wall of the bullet body should be thin, but it cannot withstand the friction of speed, and the primer structure should be slightly more complicated, here is the primer cup, which is filled with primer, and the upper part is the ignition hole, and the ignition hole has a thin sealing layer with the nail of the primer cup......"

Lou Xiaowu listened carefully and asked from time to time, "How big is this thing?" ”

"It can be adjusted according to the size of the crossbow, but it is usually about two inches." An Jiudao.

Lou Xiaowu looked at the picture and pondered for a moment, "How much does this thing weigh?" ”

An Jiu was stunned for a moment, how many taels is one gram?

"It's very light, but in fact, the lethality of the warhead has little to do with its weight." An Jiu understood that Lou Xiaowu was not asking about the real weight of the bullet, but asking her if there was a weight limit for this thing, "We generally call the kinetic energy of the warhead the warhead the warhead vitality, and the greater the warhead vitality, the greater the lethality." For example, with enough speed, an egg can also penetrate a stone, although the end result is that the egg is bound to crush. ”

This is a physical problem, An Jiu can only say a rough idea, plus her own language is very poor, to this point, she can give herself a thumbs up with confidence, and the rest only depends on Lou Xiaowu's understanding.

Lou Xiaowu pondered for a long time, "What is the weight?" ”

This time she was really asking how much the bullet weighed, and An Jiu had no choice but to ask Lou Xiaowu to find the silver, and the two of them weighed it.

An Jiu picked up a piece, "This one is about the same." ”

"That's less than a penny!" Lou Xiaowu thought as she held it, what kind of speed does it take for such a light thing to pierce the body?

She thought it was a very simple thing, but at this time she felt difficult, but the challenge made her more excited, "Assuming that the warhead weighs less than a penny, and the speed of the warhead at a distance of one hundred and fifty zhang is sixty-five zhang per breath, it should be able to kill people at a distance of 1,000 steps......"

According to Lou Xiaowu's experience, he believes that he has to make the bullet first and test it before he can find the problem, so as to improve it, and it is useless to rely on imagination alone.

Suddenly, Lou Xiaowu excitedly pointed to the bullet body, "It doesn't have to be loaded with those medicinal powders in the crossbow here, we can ask Brother Mo to make some medicine and put it in!" ”

What happens if you put it with Gu poison? Biobombs......

An Jiu looked expectant.

Lou Xiaowu was even more encouraged when she saw this, and immediately took a pen and paper to draw the entire bullet diagram.

"Speed is an important condition for this thing to kill...... The original crossbow machine thrust was obviously not enough......" Lou Xiaowu muttered.

With that, she simply lay in An Jiu's room, lying on the table to re-modify the crossbow machine.

An Jiu went to Mo Sigui to get medicine.

He got the poisonous flower seeds given by Chu Dingjiang before he moved out of the house, carrying a basket on his back and scurrying around the island with two tigers.

An Jiu could roughly feel him in that direction with his mental power, so he searched for it.

As the sun set, on the bank of the river, Da Jiu was digging the pit with his paws, Mo Sigui sat on Xiao Yue's back with a cigarette stick, and after Da Jiu had dug the pit, he leisurely threw a seed into it, and then Da Jiu dug some soil and buried it, and planted more than a dozen seeds after a while.

"Yo, you're here?" Mo Sigui spit out a circle of mist, and the half-squinted peach blossom eyes reflected the sunset, and the splendor of the peach blossoms really bloomed in the laziness.

"I'm done with my medicine." An Jiudao.

Mo Sigui took out a vial from his arms and threw it over, "There are ten pills here, alas, I'm really in a hurry, I don't have a solid heart if I don't eat it all day!" ”

An Jiu put away the medicine, "Can the Gu poison be cured?" ”

"I can't." Mo Sigui swallowed the clouds and spit out the fog for a while, "So don't you see Lao Tzu practicing seriously!" Lao Tzu plans to use his true qi to find out the Gu worm, fix it, and then cut it out directly with a knife! ”

Mo Sigui looked at her with sparkling eyes, and his face was full of words: How is it, Lao Tzu has a lot of ideas!

"Oh." An Jiu said, "When will it start?" (To be continued......)