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"There's a big problem with this design!" In a machine factory, a group of people sat in the conference room, studying the drawings one by one.

Drawings of a tank, how many exactly? It would have to be loaded with a few train wagons, and if that were the case, it would have been impossible for the machine factory to get so many drawings.

What we get now is nothing more than the overall design drawings of the 321 chassis, these design drawings can be installed in a big box, and the second machine factory has made a certain amount of effort to get these from the Bingcheng factory, and now, Xie Huimin and others from the second machine factory are also here to study and ponder together.

"What's the problem?" After all, it is a cannon manufacturer, and it is not very clear about manufacturing vehicles, so Xie Huimin is quite surprised when he asks now.

The layman looks at the excitement, the insider looks at the doorway, people just look at it and know if there is a problem.

"First of all, the heat dissipation of the engine is a big problem." Uriva spoke.

A machine factory is mainly to build tanks, the engine of the tank, is deployed in the back, because it is in the back, so the armor does not need to be too thick, in this way, the top cover is turned over, disassemble and assemble the engine, there will be no special waste of effort, at the same time, the heat of the tank engine is very large, and this part of the heat must be dissipated, so, the tank engine, many times is to put the heat dissipation tank on the top, and then open the heat dissipation hole on the top armor behind the tank, the current 1224 tank, that's it, A specially developed annular radiator with two circular heat dissipation holes on the top of the tank makes it look like two big eyes.

At the same time, this has also become the weakest point of the tank, even if the worst RPG-2 hits here, it can break the heat dissipation window, and then break the tank engine, and the tank will not move!

However, because it is in the back, it is not a big problem, and when fighting in the city, you can also deploy infantry protection in the back, which makes the tank safer.

And what about the 321 chassis in front of you?

The same 12150L tank engine was placed on the right side of the body, and the remaining space on the left side became the cockpit, while in the front, it was all blocked, where was the position of the propeller shaft.

With the engine deployed at the front, heat dissipation becomes a big problem!

The big guys know how high the heat of this kind of engine is, and now, the practice of the Bingcheng factory is to directly get an engine cover plate and plug the engine inside.

In this way, it may be no problem to test the car in the ice city, but if you go to the south, the engine will overheat properly, and if you go out, you will not be able to start at all in the desert area.

The driver guards the engine, it must be warm in winter, and in summer, it tastes very cool!

"It's a big problem, it's a design error, and the researchers in the relevant departments haven't noticed it." Qin Zhenhua said: "Let's solve it." ”

Xie Huimin's eyes lit up on the side, and he asked Qin Zhenhua, "How to solve it?" ”

"First of all, it has to have a heat grille." Qin Zhenhua said: "This heat dissipation grille, we will open it above the gearbox." ”

The radiator grille, which is not open above the engine, but above the gearbox, is unbelievable, and everyone is puzzled by this proposal, what is this going to do?

Then, Qin Zhenhua continued: "First of all, this place is sloping, only in this way, when the front advances, can the wind blow in to strengthen the heat dissipation effect. ”

Just like the radiator of the car, deployed at the front of the car, it is to let more wind blow in after it starts.

"Secondly, our gearbox can add an extra layer of armor protection, from the outside, it is a weak grille, in fact, on the inside, the protection is stronger, so that it can have the same protection as other parts, or even stronger."

Qin Zhenhua introduced.

If you open a cooling window above the engine, you can't add extra armor to block the engine from dissipating, and now, opening a cooling window on the gearbox is a feat! In doing so, the intensity will not be less.

The engine has a lot of weak points, and it will break when it hits, but the gearbox is different, the shell of the gearbox is made of cast steel, plus an extra layer of protection, for an armored car, as long as it can prevent a machine gun bullet shot, it is absolutely fine.

"Finally, here we are, add an extra cooling fan." Qin Zhenhua pointed to the edge and said: "From here, the air that enters will be blown into our engine compartment with a high-power fan, so that the heat dissipation can be enhanced!" Yes, open directly from the gearbox and connect an output shaft, just right! ”

Generally speaking, the engine is under the cooling window, so if the enemy sees it, it will definitely aim for it, but it is not actually an engine at all, just a gearbox!

There is a partition between the gearbox and the engine, which in turn adds armor protection, and as for the heat dissipation of the engine, it is carried out by forced cooling!

This is the veteran engineer, always able to think of a simple and effective solution to solve the problem, many times, is another way, but can achieve satisfactory results, he said these solutions, both take care of the protection, but also take care of the heat dissipation, it can be said that it is absolutely no problem!

"There are also problems with the design of the load wheels." After saying this, Wang Erzhu raised a new question: "The body of this self-propelled chassis is relatively long, and the use of medium-diameter load-bearing wheels is used, so its load-bearing wheels are opened, however, in order to take care of the weight distribution, the load-bearing wheels are mainly concentrated in the middle, and the front and rear two load-bearing wheels are relatively far apart. ”

Wang Erzhu has now begun to run at both ends, and he has to participate in the engine test of the diesel engine plant in the coal province, and he has to participate in the construction of the automobile branch here, and he is very busy. However, Wang Erzhu, who was full of energy, worked harder. Moreover, he gradually showed his ability to take charge of himself.

Hearing this, Xie Huimin's eyes widened, the people of a machine factory are simply gods, just based on the design, they can deduce so many problems!

When I was taking the drawings, the Bingcheng factory also talked about the problems encountered in the recent test run, including the suspension problem of this terrible load-bearing wheel, two torsion bars have been broken, and it is not possible to strengthen it in particular!

They found it in the experiment, and on the side of the machine factory, just based on the drawings, you can guess the problems that may occur, this is the expert!