Posted - 4 years 4 months ago
Why is there a flexible grid on the T-90M tower? T-90M is the most probable future tank construction of Russia than promising vehicles on the Armata platform. It is already ready to order in several countries. For example, Egypt wants to sign a contract for the supply of 500 units of the updated T-90, and that's not all ... Among the innovations there are many elements, but one is deprived of attention - the grid on the tower. Why is it needed? Why do we need a grid? ... It would seem - the grid is an extremely useless detail. It will tear easily, will not protect from anything, and the money spent on it. What is its purpose? This grid performs the same function as the cumulative lattice. On the grid there are small metal loads, the task of which is to deform the warhead of a cumulative projectile. Yes - you didnt dream ... It is to deform, and not cause detonation The problem is that inside any cumulative ammunition there is a metal funnel - as a rule, copper. Upon impact, the detonator fires and an explosion at the rear of the cumulative projectile turns the funnel, warming it to incredibly high temperatures. As a result, a mixture of hot metal and gases rush to the armor. Premature detonation can reduce the damaging effect, but for this, you need to detonate the ammunition at a distance of at least five meters from the target. In the case of tanks, this situation is disappointing. There is an alternative way - to damage the warhead and prevent its detonation. In this case, the projectile is deformed and the funnel cannot concentrate the force of the explosion. Why not use grids? The grill is a good and very easy means of protection, but the probability of a successful operation approaches 50 to 50 or not much more in favor of armored vehicles. The problem is that ammunition falling into the rib with a detonator is extremely likely, and in this case, defeat is inevitable. In order to further reduce the chance of defeat, they decided to make a grid to which the detonator will not respond, and small loads are used to cause damage. In theory, this will reduce the likelihood of detonation of an enemy projectile compared to gratings. But why do not such nets be used at the rear of the hull? Because they are more expensive to manufacture than gratings. In addition, the goal of dynamic protection, grids, nets and armor is to save the crew, not the car. A tank costs money, but human life is priceless.
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