Chapter 266
Since he is a good person, of course he can't just show up for the poor all of a sudden, what if he scares the big boys away, so the head of the Marine Corps asked someone to bring over a SJ-857 series of first-stage test bombs .

When an 85mm caliber shell with a very thin pointed cone on the top, a black bullet holder on the bottom, and a yellow-orange shell after that was placed in front of the heads of the troops, many people would you Just surprised.

Because the first phase of the SJ-857 series of test rounds in front of me is almost the same as the American-made M7 tail-stabilized shell-piercing rounds equipped with the purchased British L735 tank guns.

"Old man, where did you get this bomb?" A military chief couldn't help looking at the Marine Corps chief when he saw this.

The head of the Marine Corps pointed to a line of words on the cartridge case and said: "Zhujiang High-end Manufacturing is a cooperative factory of our Marine Corps. The first phase of the SJ-857 series of experimental bombs we jointly developed uses the latest Advanced long-stem tungsten alloy armor-piercing warhead.

The total length of the projectile is 440mm, of which the length of the long rod reaches 420mm, and the aspect ratio is 14..."

"The long pole reaches 420mm!"

"The aspect ratio is 14?"

Before the head of the marine corps finished speaking, two army leaders exclaimed at the same time, and one of them took the lead and asked the head of the marine corps: "Is your long pole a segmented tungsten alloy or a whole piece?" Tungsten alloy?"

If these words were put on the outside world, few people would understand them, but those present are all people who have worked in the army all their lives, and many of them are armored soldiers and artillerymen. Naturally, they understand the words of the army chief. mean.

The so-called whole and segmentation represent two different technical routes.

That is, the Eastern route led by the Soviet Union and the Western route led by the United States.

As the creator of fin-stabilized sabot-piercing projectiles, the Soviet Union has always had its own unique insights in this field. Adhering to the Soviet Union’s belief that when both sides have the same tanks, the Soviet Union that can win an overwhelming battle with [-] more tanks, It has always been a saturated route in this regard.

Thus created a torrent of steel that frightened the world.

But it also bears a heavy burden. Just imagine that tens of thousands of tanks do not consume a basic amount of ammunition, which is an astronomical figure.

Disarmament cannot be cut, especially the armor torrent, which cannot be cut in this life, but the heavy burden is real, so what should we do?
You can only make up for it in terms of cost.

That is to use the simplest and cheapest way to achieve your original purpose.

To penetrate armor, tungsten alloy is essential, but the cost of tungsten alloy and tungsten alloy is very different, and the process flow is even more varied.

In this regard, the Soviets chose the carbon-tungsten alloy inherited from World War II as the bullet core. Not only is the process simple and suitable for mass production, but also the smelting is very convenient. practical needs.

But the problem is that although carbon-tungsten alloy is good, it is good enough as a small core. If it is extended to a long rod, it will be troublesome. Because of the characteristics of carbon-tungsten alloy, plasticity is very difficult. And breakage occurs.

Seeing this, the Soviets thought about the properties of a large amount of carbon-tungsten alloy, and with one bite and one heart, they simply split it into two, that is, two equal-length tungsten alloy cores were wrapped in a steel jacket.

It looks like a tail-stabilized sabot-piercing projectile with a large length-to-diameter ratio, but it is not known until it is actually hit on a tank that there are actually two pieces inside.

It's like a male god asking a goddess to have fun. It looks like a golden gun can't fall, but when it comes to the real thing, NM vents, so don't mention the embarrassment.

Holding a torrent of steel in its hands, the Soviet Union, which makes the whole world tremble at any time, is facing such an embarrassment.

What should I do?
Immediately apply the strong medicine!
That is to increase the caliber of the tank gun, increase the propellant charge of the shell, and use a larger caliber and a larger charge to promote the armor-piercing projectile to have a greater initial velocity.

Judging from its muzzle velocity of 1760 m/s and its ability to penetrate 2000mm armor at a distance of 0 meters at 450 angle, it can indeed deal with all tanks at this stage.

But the problem is that its potential has been completely tapped.

In contrast, the Americans are taking the high-quality road of winning by quality. They are not as good as the Soviet Union in terms of tank quality, nor have more barrels than either side. The credo of the Americans is that I will kill a tank with every shell. Use high-quality killing effects to fight against the Soviet Union's steel torrent.

Therefore, the Americans have worked hard in the crucial field of ammunition.

Although the Soviets were far behind in the early stage, in the mid-70s, with the M735 tail stabilizing armor-piercing shells, the Americans not only caught up with the Soviets, but even overtook them in some aspects.

In the Fifth Middle East War, the Israelis used the M735 armor-piercing projectile of the M111 tail-stabilized shell-piercing projectile to cooperate with the M60 tank to ravage the Syrian Soviet-made tanks. This is a typical example.

It's just that the boutique route taken by the Americans is really the cutting-edge among the cutting-edge, not only the cost is ridiculously high, but the most important thing is that the technology and craftsmanship are also terrible.

After the domestic army introduced the L7 tank gun from the United Kingdom, it tested the attached M735 tail-stabilized shell-piercing shell and was very satisfied with its killing effect and killing efficiency.

I originally thought of large-scale imports, so as to equip the heavy equipment cluster in the north.

But when I asked about the price, I was immediately dismissed.

He turned around and prepared to imitate it himself, but after some research, he discovered that the seemingly ordinary, black, slender rod was actually the biggest obstacle in the way.

No matter what method is used, it is impossible to make a long rod of tungsten alloy with an aspect ratio exceeding 8.

Although the relevant departments were discouraged by this, they didn't pay too much attention to it. It is normal that even the Soviets can't handle things that are weak in the country and weak in ability.

That's why the army chief in front of him asked this question.

The subtext is, are you using the pseudo long rod bullet core of the Soviets!

As for the real long rod core, the head of the army in front of him didn't even think about it, because he subconsciously felt that the Marine Corps was impossible.

The reason is simple. The Soviet Union is a superpower, and they can only spin around in the pseudo-long pole. How can the Marine Corps, which has been equipped with Type 63 tanks for less than a year, produce it?
What an international joke!
The heads of other troops basically meant this, so they once again focused their attention on the head of the Marine Corps, but the head of the Marine Corps smiled and pointed to the scrapped Type 59 tank behind the crowd: "If it's not really Do you think our 85mm tank gun can treat Type 59 as tofu?
So don't guess, our SJ-857 series first-stage test bombs all use tungsten alloy long rod cores! "

 The "Glory" class of the Black Sea Fleet was destroyed. Thinking back to Yuzu's envy when she read a magazine supplement dedicated to the "Glory" class cruiser, I can only say that an era is really over...

  
 
(End of this chapter)

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