Even with a drawing tool, it doesn't mean that you can design a drawing of a precision machine overnight. In fact, the knowledge imparted by Qin Song was not even enlightenment.

Of course, Qin Song couldn't wait too long.

Most of the swords of the warriors were collected, and they were simply sorted according to the material of metal, and used as materials for experiments.

The test site was in the stone house, and the first thing we did was to make a metal cylinder with high precision. Although Alice roughly understood the use of the compass, she was stumped when she instantly ascended to a three-dimensional structure.

"Oh my God, it's kind of too hard. Alice's first attempt was to rub the cylinder by hand, which was enough for her to be ingenious, and it took half a day to barely rub out the finished product, the accuracy was very poor, the horizontal and vertical were not straight, and the diameter was even worse.

Qin Song looked at Alice with a smile: "The hand is indeed the most dexterous organ of human beings, but the real tool requires precision. It's like a circle drawn by a compass, and a circle drawn by hand. ”

Alice looked at the in her hand in frustration: "Yes, I finally understand the importance of tools now." Then, she looked at Qin Song expectantly: "Qin, there must be some tools that can make cylinders with high precision, right?"

"Of course. Qin Song smiled and nodded: "As I said, the knowledge of the circle is very complex and wonderful. Cylinders are one of them. So, we need to be patient, lay a good foundation of knowledge, and at the very least, make tools that are handy. ”

"Hmm. Alice nodded heavily.

Qin Song took a steel rod about the thickness of her thumb from her hand: "Moreover, your efforts are not in vain. This steel rod is used as a tool to process a rough mold. ”

"W-can also be used as a tool?" Alice's eyes widened in surprise, although the precision of the steel rod was miserable, but with the help of the ruler, it was basically not bent.

"Yes! That's about the concept of the circle. Qin Song held a steel rod in his hand: "Why is the wheel round? The distance between the center of the circle and the edge of the circle is equal in order to maintain a smooth movement." This steel rod is thicker at one end, and we can take advantage of this and process it into a drill bit. ”

"Drill?ah, I see!" Alice's eyes lit up, she had seen Elena's father, Dalin, operate the drill to drill holes.

"As long as you keep the center of the circle unchanged and rotate it, you can draw a circle like a compass. Don't worry about it being irregular, because the point that is the largest from the center of the circle will draw the largest circle and cover all the other irregular circles. ”

Alice's eyes widened, and some inspiration seemed to be triggered in her mind: "Qin, I understand! I understand! Knowledge—this is the beauty of knowledge." ”

Alice's ability to plasticize metal will not damage the strength of the metal, and the potential is unlimited, Qin Song does not need to take the route of traditional processing, the mold is the best shortcut.

"Alice, have you ever seen a drill?"

"I've seen it!"

"I'll leave it to you. I need to design some more gadgets. ”

"Okay!"

Qin Song wanted to design an ancient drilling tool commonly used in woodworking - hand drill. It is composed of a grip, a drill bar, a tie rod and a rope, and the structure is extremely simple.

The use of the rope is wound on the tie rod, after continuous reciprocating rotation, drive the drill bit to rotate, and drill out the hole with the same diameter.

With drilling, it is much easier to do, you only need to plasticize the metal and fill it into the drilled hole, and you can process the iron rod with extremely high precision.

In the same way, iron rods with different diameters can be made. Then, an iron rod with a small diameter is transformed into a drill bit to make jigs and slide rails, so as to create a simple drilling machine.

The drill bit applies a magic metal to increase the strength, while the milled material applies a plasticized metal to soften the strength. Even if it is a human effort, it is easy to drill a steel pipe with high precision.

Qin Song was not in a hurry to make a finished barrel or barrel, but to solve it with a fundamental tool, and Alice got the experience, so she could carry it forward and make a steel pipe of any diameter.

If you want to do a good job, you must first sharpen your tools. Simple drilling machine, simple lathe and simple milling machine, three beds in one, is the best way to manufacture thermal weapons in batches.

Of course, this is the best way that Qin Song can think of with his knowledge.

Alice did not disappoint Qin Song, and soon pinched out the drill bit by hand, and then under the guidance of Qin Song, the iron drawing drill was successfully manufactured, and in order to ensure the accuracy of the drawing drill, the matching fixture fixture was also pinched out by hand.

Everything is ready and the first drilling experiment begins!

The material is beech trees cut down by warriors, which are fine-grained, hard-textured, and water-resistant, and are used to make bridges and furniture. The most important thing is that it is widely distributed and is everywhere in the Black Mist Forest.

Zizi ......

Under Qin Song's pull, the drill bit rotated, sawdust gushed out, and soon the hole was drilled smoothly. However, since the zelkova is not fixed, the roundness of the hole is not perfect.

The next improvement was to design the wood fixtures.

The two cooperated tacitly and progressed smoothly, and the second time they drilled a qualified hole, about a dozen centimeters long. After the plasticized metal is filled, solidified and extracted, and finally the qualified steel rod is manufactured.

Alice stroked the steel rod in her hand, the touch was smooth and round, the diameter was uniform, and the fineness of her hand was several times higher, and she couldn't help but admire: "Qin, this is so perfect, I think, we succeeded!"

"No, that's just the beginning. We still have a lot of work to do. Qin Song maintained a reserved smile, indeed, this was just the beginning.

Alice smiled and blinked her long eyelashes and smiled sweetly, "At the very least, we're off to a good start, aren't we?"

"Of course!" Qin Song looked at her innocent and satisfied smile: "Alice, we will have a better ending." ”

Qin Song's words were a pun, but Alice didn't realize it, but nodded energetically: "The gods are protecting us, we will definitely succeed." ”

......

"Sir Weimar has spotted the orcs in the Hurek Forest. The situation was not so rosy, and they even approached the perimeter of the forest. ”

In the makeshift wooden hut at the Ever sentry post, Elena was lying on a haystack, sleeping sweetly with a woolen blanket. Leah quietly visited her for a moment before lifting the felt and walking out of the shed.

Karrick's expression was a little solemn: "It's far away, but Weimar is sure it's an orc." ”

"Where's the number of people?"

"It's hard to judge. ”

"I guess they're looking for their missing companions. Leah wrapped her cloak around her body and looked at the river Ness, which was flowing not far away: "Have you disposed of the orc's corpse?"

"It's all buried. Karrick replied, and when Lea retreated from the Hurek Forest, she deliberately freed up a cart to bring back all the orcs' corpses and cover up all the bloodstains on the scene.

This cautious move will buy Blackstone Collar a lot of time.

"They can't find the body, they won't give up. And...... Their sense of smell is very sensitive, and the smell of blood can't escape their noses. Leah frowned, not at all relieved: "It's just a matter of buying a little time." The orcs are warlike by nature and have a strong desire for revenge, and they will definitely attack the Blackstone Lord. ”

"Uncle Carrick, I'd like to meet with Sir Weimar, and you can arrange that. ”

"Okay, I'll arrange it as soon as possible. ”

"And, Leah. Karrick thought for a moment, then continued, "The hunter who came back with you is in much better spirits this morning, and asked the guards about you. ”

"She's awake?" Leah's tone was a little surprised, this hunter was fought out of the Colosseum, a real warrior, if she could join the Blackstone Collar, maybe she could add some confidence.

Listening to Eric, her complexion was still a little weak. But she was able to move around the room, and besides, she had a lot of food. ”

"Very good news. Leah nodded, although the hunter did not have Linda's divine power, her combat experience was unmatched in the entire Blackstone Castle. The most commendable thing is that she is a hybrid of an orc and a winter forest demon, and she has been with her father for four years, and her understanding of orcs is very valuable.

Of course, Leah is not sure that the hunter with orc blood will be on the side of humans.

"Linda, Linda. Leah looked up and shouted at Linda at the lookout post, "I need to go back to the castle, I'll leave it to you for now." ”

Linda was dressed in a hood, her silver hair was flying, and she had a confident smile on her face, and nodded lightly, "Don't worry, leave it to me, Leah." ”