To be honest, after getting Rebecca's revelation, Gawain really realized in an instant that this little "repulsive trick" was simply the biggest surprise that the world gave him: simple, low-cost, stable, and the effect was not bad.

Anyone who has come into contact with a magic mechanism will be familiar with this basic magic: whether it's a self-opening magic door or something else, as long as there is a structure in the mechanism that needs to be pushed, there will definitely be a "repulsion trick", and how much power can it output? As a spell, its power depends entirely on how much magic you can provide and the performance of the magic material itself, and in Gawain's opinion, its conversion efficiency is extremely high: the door of the treasure house in the mountains is made of heavy purple steel cast as a whole, and the single door weighs several tons, and the ancient mechanism that controls the opening and closing of the door can easily run under the premise of almost no mechanical optimization, of course, this is because the ancient Gondor Empire has black technology, and the performance of the magic crystal they purify is ghostly, but the contemporary "inferior products" are not bad, Magic traps that can push boulders all over the ground are not too uncommon!

And all of these magic mechanisms, their use of the repulsion circle is actually quite primitive and clumsy - it is the route of the powerful brick flying, in the spirit of vigorously producing miracles, with the repulsion circle pushed hard, almost never considering the use of levers and gears to optimize it......

So Gawain had high expectations for the Magic Engine, believing that even if he built it out of cheap materials, the power it could provide would be incredible.

After the "piston version" of the magic engine was discussed, without waiting for Rebecca and Herty to complete the transformation and detailed demonstration of the drawings, he thought of further using the repulsion circle to extend it to a structure similar to an electric motor.

Naturally, a motor consisting of a stator and rotor has additional advantages: it is relatively simple in structure, and the failure rate is greatly reduced; When it starts, the "repulsion point" on the rotor can directly operate at full load, and the starting torque is very large, unlike the piston engine, which has insufficient starting torque and needs to wait for the speed to increase before the torque can reach the maximum; Its volume can be compressed to a very small size, and it has a higher volume-efficiency ratio under the same use of magic net for energy; Thanks to the special nature of the magic technology, the "Rotor Magic Engine" does not require a brush, nor does it require a "toggle device" for frequently switching rune triggers, which reduces the failure rate and increases the overall life of the machine (because there are few wear parts), which is quite cost-effective......

But it also has obvious shortcomings - not considering the advantages and disadvantages of the comparison between the electric motor and the internal combustion engine on the earth, only from the technology of "this world", the rotor type magic energy engine conceived by Gawain needs to have a large number of "repulsion points" distributed throughout the shell to ensure the balance and continuity of the afterburner process, and put so many independent circles together, it is necessary to ensure that they cannot interfere with each other, the output is accurate and consistent, and the distance from the rotor is accurate, etc., etc., etc., in this way, the technical difficulty of the engine in the mechanical structure is reduced, However, it has increased the difficulty of drawing circles, and the latter ...... The technical personnel needed are more difficult to train, and a little more complex in this aspect is much more troublesome than a little more complex in the mechanical aspects.

Either way, the idea was so tempting that Gawain couldn't have given it up.

So he grabbed a blank piece of paper from the side and sketched a sketch as Amber, Rebecca, and Hetty watched curiously.

A ring-shaped shell, an internal rotor with a lot of inclined blades (repulsive objects), and a number of symmetrically distributed repulsion arrays on the shell......

It's as simple as that.

"This is ......" Hetty raised an eyebrow, curious and hesitant.

Gawain put down his pen and said with a little excitement: "The second generation machine." ”

The servants at the scene except him were stunned and confused, and after a while, Amber looked at Gawain like a monster: "How did you grow this brain?" ”

"Don't insult my ancestors!" Rebecca immediately became angry when she heard this, and picked up the staff and put the staff on the door of Amber's head, but then she also turned her head and asked, "Ancestor, how did your brain grow?" ”

Gawain: "......"

It wasn't until two seconds later that Rebecca reacted, and quickly put away her staff and apologized honestly: "I'm sorry Ancestor, I can't talk anymore......"

"No, that's not the problem," Miss Half-Elf, who had survived the Iron Rod Headshot crisis, was not at all at ease, and continued to exclaim with a glare, "You haven't even finished discussing your first-generation sketch here, and you actually got a second-generation out of it?" And no matter in principle or structure, it is not at all born by a real mother...... Aren't you already thinking there's a lot of sketches waiting in your head?! ”

Gawain almost choked on a mouthful of saliva into the bronchi: Is this a mistake?

"It's just an immature idea," he quickly retracted his expression that was almost about to collapse, and looked at Hetty, who was a little more thoughtful, "The principle is very simple, what do you think is feasible?" ”

"It's a lot simpler, and it's theoretically feasible...... But it's probably not easy to do," Hetty just glanced at it and saw the problem, and the reply was exactly the same as Gawain had conceived, "A large number of repulsive circles are arranged together, and they are arranged in this symmetrical and tight arrangement, almost specially prepared for magical resonance, they will interfere with each other 100%, and it is a question of whether they can move after activation." ”

"What if the diameter was larger, so that the distance between each 'repulsion point' would also be larger?"

“…… The feasibility is still not high, I can see what you mean, these repulsion points must be continuously 'relayed' in order to push the rotating part in the middle with maximum efficiency, so their distance is limited, rather than extending the distance, it is better to find a way to increase the forbidden demon structure between the circles to block interference, but in this way...... The cost is terrifying, I'm afraid. ”

Gawain immediately twitched the corner of his mouth with a toothache: Forbidden magic materials, even the cheapest is the precious metal in the magic guide material, if it is really used in a mass-produced machine, then even if he dies on the spot and is buried, Rebecca and Hetty will not be able to supply it if they collect tickets for the people of the whole country to visit...... What kind of ghost animal parable is this?

"Then let's do a prototype study when we have the spare energy, it's also a technology accumulation," Gawain sighed, "First of all, get the piston prototype done, most of its parts should be hand-built by hand to Hammer and his apprentices, and the more difficult parts and repulsion mechanisms should be handed over to the new rune craftsmen, remember, the first machine doesn't care about the cost, as long as it can run safely and stably, we'll succeed - and it's not even a problem to sacrifice some performance on this basis." ”

Hetty and Rebecca left with a lot of drawings, and given the administrative pressure on the former, Gawain gave Rebecca the main task of building the prototype of the magic engine, while Hetty still only provided some technical support, which once again made Rebecca happy.

After the two of them left the tent, Gawain gathered up the remaining drawings and handed them to Betty, who was squatting on the ground nearby, practicing writing with small branches: "Put them away." By the way, I'll have the carpenter make you a little desk, which will be delivered to your tent in the evening, and by the way, a set of stationery and some blank paper - save a little money. ”

Betty took the sheepskin bag containing the drawings and was stunned for a moment, then showed a particularly happy expression, and bowed hard and almost threw herself forward: "Thank you, master~!" You're so nice! ”

The little maid almost jumped away.

Gao Wen looked at the back of the little maid with a smile on his face, and couldn't help but smile and shook his head, and the eyes of Amber next to him became strange: "It's strange to me, you are so busy all day long, and you still have time to take care of this stupid girl like this...... Could it be that this is your real fetish? Whoops - you guys are all in vogue to shoot at your own maids...... Oops, oops, oops, pains, pain! ”

Gao Wen twisted Amber's ears vigorously, but he was not angry: "What kind of fetish and what kind of shot, I just like that kid's diligent and studious energy, can't you clean your mind?" ”

Amber rubbed her ears while looking at Gawain angrily, "Don't you often say that my brain is clean?" ”

Gawain: "...... I'm saying that your mind is blank and you don't know how to learn!! ”

"Huh? Didn't you praise me for a long time?! ”

Gawain glanced at the embarrassed half-elf and strode towards the tent door.

Amber couldn't hold back her curiosity and followed: "What are you doing?" Want to sneak a bite to eat? Take me one! ”

Gawain waited for Amber to catch up before he said casually, "Go talk to that big iron ball, it's been lying in the tent for so long, it should be willing to tell me something." ”

When Amber heard this, she immediately lost interest: "Oh, then I won't go ......"

As soon as Gao Wen grabbed it, he put the goods in his armpit and prepared to take it away.

But this time he failed: Amber, who had already been tossed in this way once, had gained experience, and the moment he was caught, he had already escaped into the shadows, and Gawain felt that his hands were empty, and the half-elf thief had already run more than ten meters away.

"You go talk to the ball~" Amber stood in the distance and shouted with a smug face, "I'm going to find Betty to eat~~"

Gawain glanced at this "nominal guard" who went his own way with a smile, waved his hand and turned to leave.

In front of the special tent in the south of the camp, Gawain asked the guards about the metal ball: "What's going on with that guy in the tent?" ”

"No," replied the dutiful soldier, straightening up, "we've been staying here, and the ancient magic device has stayed in the tent with no intention of going out." ”

The Ancient Magic Device, Gawain's explanation to the soldiers who had witnessed the metal orb, now seems to have been accepted by them.

After casually encouraging the soldiers who were standing guard seriously, Gawain stepped into the tent.

The metal ball floated nicely in the center of the tent, about half a meter above the ground, looking like a sci-fi levitation device.

But this sci-fi ball babbled out: "Mom, I thought you forgot about me when you left me here!" There was a bunch of dumb-headed GIs standing guard around, either the annoying little old man who came in, or the female human who liked to wear a red dress, and they were all bored. I'm telling you, if it weren't for my commitment to the ball, I would have left this morning......"

Gawain ignored the ball's chatter and went straight to the latter: "I'm here to talk to you today, and I want to confirm one thing first-you, you shouldn't be from here...... Balls, right? ”

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