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An illustration of why sloped armour offers no weight benefit when protecting a certain frontal area. Comparing a vertical slab of armour (left) and a section of 45° sloped armour (right), the horizontal distance through the armour (black arrows) is the same, but the normal thickness of the sloped armour (green arrow) is less.
Xblocs are typically applied on an armour slope steepness between 3V:4H and 2V:3H. Unlike natural rock, the hydraulic stability does not increase at shallower slope inclinations, because, in that situation, the interlocking effect is reduced. Standard Xbloc sizes vary between 0.75m 3 (significant wave height up to H s = 3.35m) and 20m 3 (H s ...
Sloped armour on the front of Soviet T-54 tank, here cut open to demonstrate the increase in effective thickness. Simply sloping a piece of armour inherently increases its effectiveness by increasing the distance a projectile must travel to penetrate it. It also increases the odds that a projectile will ricochet off the target without causing ...
To increase effectiveness of skirts against HEAT weapons early T-64s had "gill" skirts. It contained a few short skirts on the side of the vehicle which are opened in open terrain at an angle of between 30–45°, increasing the space between the armour and the plate.
The D9 armour deflected RPG rockets and even 9K11 Malyutka (AT-3 Sagger) ATGMs. Slat armour is designed to protect against anti-tank rocket and missile attacks, where the warhead is a shaped charge. The slats are spaced so that the warhead is either partially deformed before detonating, or the fuzing mechanism is damaged, thereby preventing ...
Ceramic tiles have a multiple hit capability problem in that they cannot sustain successive impacts without quickly losing much of their protective value. [6] To minimise the effects of this the tiles are made as small as possible, but the matrix elements have a minimal practical thickness of about 25 mm (approximately one inch), and the ratio of coverage provided by tiles would become ...
Basically it seems to me that the horizontal armour has been ignored, unless it is open space, which is not so good for armour. Taking a 45deg slope versus straight, and say a 30cm length/height with 10cm of armour. Right angled armour @ 10cm Area would be 30x10+(30-10)x10=300+200=500 sq cm Sloped armour at 45deg would be 42.4x10 = 424 sq cm
E, [24] and a further increase in side armour to 30 mm (1.18 in). [29] The main engine exhaust muffler was shortened and a compact auxiliary generator muffler was mounted to its left. [ 27 ] The weight of the vehicle was now 22.3 tonnes (24.6 short tons), which required a corresponding modification of track width from 380 to 400 mm (14.96 to 15 ...