"Mechs and human bodies look the same, both have limbs, both walk upright, and both fight mainly with their hands. "The human body is divided into motor system, nervous system, endocrine system, circulatory system, respiratory system, digestive system and reproductive system, while mecha is relatively simple, divided into command and control system, power system, and life support system. The command and control system of the mecha corresponds to the human nervous system, the power system corresponds to the locomotor system and digestive system, and the life-sustaining system corresponds to the endocrine system, circulatory system and respiratory system. The existing mecha are large, excluding a small number of beast-type and insect-based mechas, most of them are developed based on the various systems of the human body with reference to the human body. Therefore, the human body and the mecha are similar in some way, but at the same time, there are also big differences. The most different thing is that when the two are in motion, the movement system of the human body and the power system of the mecha. ”

As he spoke, Castel called up a hologram of the mecha and the human body, made them each make a fist swing motion, and asked Xu Gong and Li Dong: "In your opinion, what is the difference between the movements between the two?" As he spoke, he pointed at Li Dong.

"It's pretty much the same. In my opinion, there are too many tricks when people swing their fists, and they are lunges and twists their waists, and they swing their arms and swing their fists, which are not as sharp as the punches of the mecha, and they smash them directly with one punch, and the fists move from one point to another, without other superfluous movements. Li Dong looked left and right, looked up and down, squatted down to look, and almost didn't lie flat and looked from the bottom. He scratched his head, and finally choked out the above paragraph.

Castel was noncommittal, and asked him instead, "So which stance would you choose to attack without considering the efficiency of your swings, and with the same initial power for both of them?"

"Of course, that's the action of choosing the human body!" Li Dong replied briskly.

Castel's imperceptible brow furrowed slightly, slightly surprised in his heart, listening to his understanding just now, he really didn't expect him to choose this answer.

"With the same initial strength, the energy transfer rate of that mecha's punch is 30%, which is a good 100,000 horsepower, and only 30,000 horsepower when it hits the opponent. The human body is different, although lunges and waist twisting and other actions look very troublesome, but the real energy consumption is very small, these actions can instead make the whole body disperse most of the power concentrated in the heart of the fist, according to my rough calculation, the power transfer rate can reach more than 80%. Li Dong rolled his eyes and looked at the ceiling, and said while breaking his fingers to calculate, "However, I still like the action of the mecha, when fighting on the battlefield, who will give you that cosmic time, do so many broadcast gymnastics exercises to concentrate your strength and increase the energy transfer rate! But the mecha is different, Lao Tzu drives the mecha, and it is easy to have 100,000 horsepower, which is to lose 70% of the energy, and if you hit it with a fist, you can still mess the other party!"

Castel nodded meticulously, he didn't expect this kid's understanding of power to reach this level, and what is even more rare is his personal calculation ability, and the result of the power transfer rate analysis is very close to the analysis report of 72.99% energy loss of the brain of the brain. Of course, Castel didn't comment too much on his last words, and instead asked Xu Gong: "Colonel Abi, what do you think?"

Xu Gong frowned, carefully observed the hologram of the human body and the mecha, and after a while, said: "The hologram of the human body swinging fists, the movements look more smooth and natural, while the mecha one, the movements are stiff and mechanical, which does not meet the operation specifications of the mecha technique at all." I agree with some of Li Dong's views, but I think that if possible, when operating the mecha, you can add some simple energy accumulation actions, which can greatly enhance the destructive power of the mecha's attack. ”

Castel nodded and continued, "Yes, both of you have different ideas about the movements of mechs. Now, let me talk about my personal understanding of mecha. ”

"Let's start with the human body. When a person wants to make an action, the brain first generates a nerve impulse, and then through the nervous system, it acts on the muscles and bones that the whole body needs to mobilize. For example, the action of swinging a fist, the sequence of mobilizing muscles, is to first drive the shoulders by the muscles of the waist and feet, and then the power is transmitted to the elbow, mobilize the muscles of the elbow, contract and relax, drive the bones, and finally the energy is transmitted to the palm, the bones are gathered into a fist, and the muscles drive the fist movement, so as to give the opponent a blow. ”

However, the mecha is completely different, in the cockpit at the top of the command and control system, the pilot issues operation instructions, which are transmitted to the mecha brain in the form of electronic pulse signals, compiled into digital signals 0 and 1, and after high-speed processing by the brain, they are transmitted to the integrated circuit chips of each part through metal wires, which are turned into electronic pulse signals again, and mobilize their respective mechanical units including hydraulic pipes, transmission cables, etc., to achieve the purpose of movement. Therefore, if the mecha does the action of swinging a fist, if it is directly ordered, it will swing the fist directly without mobilizing the other machinery of the mecha, even if it is a variety of actions that the human body can't do, such as the unbelievable action of swinging the fist directly backwards without the body rotating, it can also be done. But this kind of action is a huge test for the performance of the mecha. Just in terms of the original skeleton structure of the mecha, as long as there is a slight structure that is not strong enough, it can easily lead to explosion. And after 100,000 horsepower, only 30,000 horsepower is used in the fist, so where does the remaining 70,000 horsepower go?"

"According to the law of conservation of energy, most of the other energy acts on its own mecha, generating unnecessary heat energy. This excess heat energy will inevitably lead to the aggravation of the metal fatigue of the mecha!" XCMG replied.

Li Dong clenched his fist with his right hand, struck a heavy blow, hit the palm of his left hand, and made an epiphany: "Oh, I see!"

Castel nodded and concluded, "So, before controlling the mecha to make movements, the pilot not only needs to consider how to fight, but also must consider the reasonableness of the movement angle of the mecha joints. Otherwise, the mecha's attack will become a suicide act of killing 800 enemies and losing 1,000 yourself. ”

"You said such a big thing, what muscles and bones, as well as the command and control system of the mecha, I have never heard of it before. Li Dong complained. Lao Tzu didn't know these things before, and he drove a reconnaissance mecha to wander around the frontline positions of the Western Empire for 6 months, and no one wanted to catch Lao Tzu. Of course, deep down, he also secretly felt that if it weren't for the reconnaissance mecha that had been specially modified by himself, he would have been dismantled into parts by the guard mecha battalion of the Western Empire.

In fact, it is normal for Li Dong not to understand. Castel said that these mecha principles are something that A-level mecha masters must understand and master, and even XCMG, who is a B-level mecha master, does not have an exhaustive understanding of some knowledge.

"What I said above requires a certain foundation in human physiology and mecha structure. Your mission is based at Imperial College London. While you're on a mission there, you'll be able to get the most formal mecha education at the same time. Castel said.

Li Dong was secretly happy in his heart. It takes college to master this knowledge, which means that there is no need to be abused by the old man in front of him now, at most he does some physical training in the gravity room every day, anyway, now he is basically adapted to the overweight environment.

"But ......" Castel glanced at Li Dong, knowing what the hell he was thinking, he had seen more soldiers than Li Dong had eaten, how could he not know what she was thinking. So, he added slowly and leisurely in time.

Hearing these two words, Li Dong's heart suddenly cooled half, the most challenging word in life is the word "but", and those who listen to it can completely think that the words before these two words are farting and skip directly.

Sure enough, Castel continued: "Protecting the princess requires superb mecha manipulation skills, and I have already told you about the reason. Therefore, after you arrive at the Imperial Institute of Technology, I will give you a month, and after a month, your level must reach the level of a civilian bodyguard, that is, the level of a B-level mecha division or above. Otherwise, I'll take you back to continue training and send someone else to continue this mission. I think that even the third prince will have nothing to say at that time. ”

Li Dong looked at the sky speechlessly. I'm OO you're a XX. Among the three people in this mecha room, two of them are above the level of B, and he is the only one who is the tragic baby who doesn't even have a mecha license.

In a month, you must reach the level of a B-level mecha, which is impossible to think about. But when he thought that if he couldn't complete it, his body would be a dark point of no return......