Sent Zhang Fei away, Tianfang has a lot of things in his hands, the weapons that are specifically aimed at the war monsters are very simple, all kinds of cannons on the earth, what smoothbore guns, what howitzers, tank guns, etc., the principle Tianfang knows, in fact, it is an enlarged version of firearms. Pen, fun, and www.biquge.info

However, one of the most important problems is the problem of core explosives, the earth has been fighting for thousands of years, this explosive has been developed for a long time, and there are many types, but under normal circumstances, unless it is a nuclear bomb, the most used is black sorkin mixed TNT as the explosive material of the bomb.

Black Suojin is also called cyclotric triple methyl triammonium, this thing to be made, and it is a new chemical industry, and the production of TNT is the same, Tianfang knows the chemical formula of these things, but how to produce Tianfang only knows the general situation, and the specific situation is not very clear.

The power of a small green spirit storm bead equivalent to a kilogram of TNT explosives, in the actual battle, the damage caused by the green spirit storm bead to these battle array monsters is limited, the first is because the fat layer of the giant beast is too thick, and the bullets basically explode in the fat layer after being shot in, and the small fragments of the bullet cannot cause a direct and lethal attack on the vital organs, under the metamorphosis recovery force, the giant beast is not affected at all.

Even if it was replaced with a blue Spiritstorm Orb, the effect was not very good, and it would take many shots to be in the same important position to be able to shoot this giant beast. That's it

Therefore, there are two problems in front of Tianfang, first, that is, the cannonball should be able to shoot into the body of this giant beast, and it is best to be close to the vital organs, and second, the power of the cannonball explosion should be at least as powerful as the blue spirit storm bead.

Then this ammunition must be filled with at least a few kilograms of conventional explosives, and small-caliber shells are not available, and only large-caliber shells can be used.

But these are all to be used later, and now the most urgent thing is to get the explosives out, Tianfang has no time to work on this thing, chemistry and materials, it has always been a fat man's toss, simply throw this topic to the group led by him, and see how long it will take to toss this thing out.

"What, what is this, trinitrotoluene, I know nitro, I know toluene, but what is this trinitrotoluene?" The fat man looked at the chemical formula given by Tianfang with a confused face: "And this, cyclotriphamonium methyltrinitrate, what is this broken name!"

"I only know that these two things can explode, and the power of one kilogram of this one is almost the same as that of the green Storm Bead, and you also know that the production of the Storm Bead is too troublesome and needs to be made manually, and now there is a new war beast on the battlefield, and I want to get this thing to deal with these war beasts! So, it's all up to you?"

"What about the idea, you just told me to want this thing, give me the idea, special meow!" the fat man broke angrily.

"I don't know exactly how to get it, you can discuss it yourself, anyway, according to the characteristics of molecules and atoms, you have to think of a way!" Tianfang threw down a sentence, and fled from this place under the fat man's cannibalistic gaze, leaving the fat man's team, looking at the name and chemical formula on the table, and wanted to cry without tears.

"Special meow, move, move, No. 1, go get me nitric acid, nitronitro, you should use this thing, No. 2, go get me benzene, give me benzene when you're done, let him turn toluene!"

In this way, the fat man was sold by the heavens, and he was busy getting this new thing, and when the days were released, he suddenly remembered that he did not tell them to pay attention to safety, but he thought that he had told them that it was an explosive, and he should have paid attention to it!

The matter of gunpowder is on the agenda, then the cannon should also start to study the design, come to the mechanical group, Gao Fei has been very busy recently, mainly in the design and debugging of the car, how to increase stability, the arrow overturning and reducing the energy consumption of the adsorption array on the car, has become the top priority, but for these, Gao Sheng has no clue, he can't launch a car, like three jumpers, with a high-power adsorption array.

So, when Tianfang was approaching, Gao Fei really withdrew his hair, and talked about a lot of drawings on the table, Tianfang took a look, hey, what kind of things are these, all of them are square, following the tradition of cultivating the true refining instrument, Tianfang is crying and laughing, it seems that Yang Xiao should come over to cooperate with them and design a thing that conforms to fluid mechanics.

Yang Xiao was quickly summoned, with a dissatisfied face: "I said, what explosives you just tossed for the fat man, don't let me toss explosives too!"

"No, let me come, I asked you to help here, design the shape of a car, use fluid mechanics to improve the grip and stability of the car in an all-round way, and reduce the consumption of spiritual power on the adsorption array!

"That's it, it's very simple, since it's simple, you come!" Yang Xiao was furious.

"Don't, I don't have time, you happen to be learning these things recently, as the saying goes, practice is the only criterion for testing the truth, you can't just read books and learn calculations, only when you apply it to practical life, you can really learn this knowledge!"

Yang Xiao thought about it, but he didn't do anything practical all along, just learn this knowledge, and if he didn't apply it, what would he learn to do?

"However, you didn't say the idea, how to get it!" Yang Xiao asked.

"Specifically, you and Gao Fei are discussing, Gao Fei, you should ask us Yang Sanshao, and also, you can also learn these things, and put forward any ideas you have!" Tianfang turned his head to Yang Xiao and said: "Also, Nuwa should be more clear about aerodynamics, sometimes, you can ask her to read, let her also give her opinions, recently she has been fascinated by reading, Gao De is instructed to collect all kinds of books for him every day, and even now he doesn't even let go of the books on formations, pills, runes, refining tools, and cultivation!" ”

"This is a good way, your daughter is amazing, I asked her a lot of questions and solved them easily, but why don't you ask her to design a plan!" Yang Xiao asked.

"She doesn't have a specific case to refer to now, and she can't come up with a set of plans directly for you, just you can do it together, you can hand over the calculation to her, so the efficiency should be much faster!" Tianfang said.

"Then why didn't you tell the fat man about these things just now?" the fat man probably complained to Yang Xiao.

"This, it seems that I forgot, but I guess if there is a problem, you should be accustomed to finding Nuwa, this is OK!" Tianfang said: "Also, I almost forgot about the business, Gao Fei, you give me this design drawing, design a large gun out, that, just call it a cannon, like make a few physical objects, let's try it!"