Guo Xingzu and Zhu Xian gently put these trial-made things not far from everyone, and turned around to come to Zhou Nan, Shen Ding and several craftsmen had already carried the two magic cars over.

  Zhou Nan saw that Shen Ding and Guo Xingzu were looking at him, looking forward to what they were doing to try out first, so as to get their own affirmation, so he smiled and said to the two, "The rocket trial is fast, first cast the rocket, and then watch the magic car." ”

  Guo Xingzu immediately asked Zhou Nan, "This time, there are a total of five restructured explosive arrows and five newly made rockets." I don't know which one Dazhai should look at first? ”

  "How is the bomb better than the previous one?" Zhou Nan asked rhetorically.

  "According to the lord of the village, the arrow part of the bomb is slightly smaller, the weight becomes lighter, the previous arrow part of the arrow weight is seven taels and five dollars, and the arrow part is only four or six dollars after the reform. But it's even more powerful. In addition, the improved Explosive Arrow is faster to shoot and is almost normal than a normal arrow. Guo Xingzu replied calmly.

  Zhou Nan was very satisfied with Guo Xingzu's carefulness, and asked, "Why is the weight lighter, but more powerful?" ”

  Guo Xingzu replied: "The last time the master of the village said that the arrow was shot a little slowly, if the opponent has a heart, it is easy to dodge. The villain wanted to lose some pounds on the arrow. Therefore, I discussed with Master Zhu, and Master Zhu said that only when the arrow is cast with a mold, the carcass is thinner, and the catty can be reduced. The details are all done by Master Zhu. After speaking, he looked at Zhu Xian with his eyes.

  Zhu Xian stepped forward and said, "The arrow was originally a hollow iron tire, and when I cast this arrow, I only felt that the thicker it was, the more powerful it was." Master Guo asked the villain to make it lighter, and the villain re-made the mold to make the carcass thinner; He used a mold to press out grooves outside the arrow, and lost a lot of catties, so as to get the current arrow arrow. ”

  When Zhou Nan heard this, he asked Guo Xingzu to bring him an improved explosive arrow. When Zhou Nan received the new bombing arrow, he couldn't help but be stunned. I saw that the outside of the arrow was regularly cast by the mold to form a net-like groove, like the pattern of the outer shell split of the grenade in later generations, the most typical is the pineapple thunder of a certain country.

  This practice of consciously carving regular grooves into the shell of the grenade during manufacturing, and making the shell splitting pattern in advance, was the common choice of everyone in the later development of grenades. When the grenade explodes, the shell will be broken into many fragments according to the lines, and these fragments are irregular and not smooth, so after being hit, the person will cause great trauma to the human body, thus killing and injuring the enemy.

  And he didn't guide them in advance, Zhu Xian, who specializes in casting projectiles, unintentionally inserted willows and willows into the shade and created the world's first projectile with a shell pre-split pattern! And the original intention of all this is just that these two people want to reduce the weight of the arrow according to their own requirements.

  In addition to being shocked and surprised, naturally this rare comparative audition cannot be wasted in vain. Zhou Nan said to Guo Xingzu: "Don't rush to practice first. Guo waits for Zhao, please bring a few people, go and get a few more arrows, and bring a few more cows, pigs and sheep. ”

  Morning glory, pigs, and sheep came over, naturally to test the power of the arrows, but Guo Xingzu didn't understand why he wanted to take a few old arrows - the old arrows were not unused.

  However, Guo Xingzu still called a few people and went back to the cottage.

  Taking advantage of Guo Xingzu to get the old explosive arrow, Zhou Nan approached Guo Xingzu next to the rocket not far away, there are five rockets, but they are divided into two kinds, one is the outside of the arrow like the restructured explosive arrow with a mesh groove, the other is the arrow outside without a mesh groove, it seems that the careful Guo Xingzu also made a difference between the rockets, it is estimated that there is no test release, today I happened to come by myself, and I took it together to try the effect.

  Zhou Nan picked up two different rockets, one was quite weighty to start with, and the other was much lighter with grooves. Both rockets are the same length and thickness, both are three feet long, the arrows are fusiformal, there are three fingers wide in the middle, and the length is four inches, but the arrow shaft behind is made of black wood, look closely, there is a thin iron wing at the tail of the arrow shaft, which probably plays a balancing role after the rocket is ejected. At the shaft near the top of the wing, there is a section wrapped in oiled paper, and it is unknown what it is used for. There is a hole in the tail of the arrow shaft, which is stuffed with yellow mud, which is supposed to be the nozzle hole when the gunpowder in the rocket burns. If the amount of medicine inside the mesh groove increases, and the irregular fragments formed during the explosion on the outside, the effect of the mesh groove must be better.

  Zhou Nan turned around and asked Zhou Fu, Li Feixing and the others, "Can there be such a long crossbow arrow?" ”

  Zhou Fu likes to use a bow and crossbow the most, and when he saw Zhou Nan asking, he pulled out a bald crossbow arrow from his body, the tail of the arrow did not have a feather similar to a bow and arrow, and the length was much shorter than the rocket in Zhou Nan's hand, and said to Zhou Nan, "This is already the longest crossbow arrow." Zhou Nan asked again: "How far can you shoot with a crossbow?" ”

  Zhou Fu didn't speak, pulled out a crossbow from his back, stretched it open, loaded the crossbow arrow, and shot it at the arrow target in front of the nearest cliff, only to see the crossbow arrow fly out suddenly, and everyone looked up, and the crossbow arrow hit the target. It was more than eighty steps away from where everyone was standing.

  A crossbow is just a fast and powerful arrow, but it doesn't have as much range as a bow. The crossbow generally shoots out about sixty steps, and Zhou Fu shoots out eighty steps like this, which is already a strong crossbow. And the bow can generally shoot more than 120 steps.

  Zhou Fu changed another bow, took out an arrow similar to the length of the rocket in Zhou Nan's hand, opened it vigorously, and shot it farther away, one hundred and fifty steps away, before the long arrow fell to the ground. Those guards immediately cheered loudly, ordinary bows and arrows can only reach a distance of one hundred and twenty paces at most, but Zhou Fu shot an arrow one hundred and fifty steps away.

  Zhou Fu didn't think much of it when he shot the farthest point with an arrow like this, the arrow was shot out to hurt the enemy, not to be shot out to play. Zhou Fu pulled out another long arrow, still holding his bow and arrow, holding his breath and concentrating, the moment his fingers were released, the arrow was like lightning, and it had steadily hit an arrow target a hundred and ten steps away. There was another thunderous cheer.

  Zhou Nan was also greatly admired, archery is really not practiced. Ordinary archers can shoot more accurately than ordinary people after training, but if you want to reach the level of Zhou Fu, in addition to more training, what is more important is talent.

  After Zhou Fu shot a few arrows at Zhou Nan's request, he retreated behind Zhou Nan without saying a word, without the fanfare of a young man. Zhou Nan knew that accurate shooting was only one aspect of Zhou Fu's archery skills, but one arrow and seven stars were Zhou Fu's stunts that were rarely shown to the public.

  Only Zhou Fu is like this, and when it comes to the critical moment, others can't guard against it.

  I should think about it, is it too high-profile to blow up arrows and magic cars?

  At this time, Guo Xingzu came down from the south village with a few old explosive arrows, a few soldiers led cattle and sheep, and four craftsmen each carried a wide wooden plank. Like Song Chungui, please collect x Song Chungui.