How does explosive reactive armor work?

How does explosive reactive armor work?

An element of explosive reactive armour consists of a sheet or slab of high explosive sandwiched between two plates, typically metal, called the reactive or dynamic elements. On attack by a penetrating weapon, the explosive detonates, forcibly driving the metal plates apart to damage the penetrator.

What is explosive reactive armor made of?

An element of explosive reactive armor consists of a sheet or slab of high explosive sandwiched between two plates, typically metal, called the reactive or dynamic elements. On attack by a penetrating weapon, the explosive detonates, forcibly driving the metal plates apart to damage the penetrator.

How does non explosive reactive armor work?

Non-Explosive Reactive Armor (NERA or NxRA) uses passive material, such as rubber, sandwiched between two metal plates. The loads from NERA inflicted on the vehicle’s structure are much smaller than ERA, and therefore can be applied to lighter vehicles.

Is explosive reactive armor effective?

Reactive armour is a type of vehicle armour that reacts in some way to the impact of a weapon to reduce the damage done to the vehicle being protected. It is most effective in protecting against shaped charges and specially hardened kinetic energy penetrators.

What explosive is used in ERA?

The ERA sandwich consists of two A36 plates with C4 explosive sandwiched in between. The ERA plates are 150 × 150 × 5 mm in dimensions, and the C4 explosive is 3 mm thick.

What does Hesh stand for?

High Explosive Squash Head
High Explosive Squash Head (HESH) in British terminology, or High Explosive Plastic/Plasticized (HEP) in American terminology, is a type of explosive projectile which utilizes a plastic explosive that conforms to the surface of a target before detonating to improve the transfer of explosive energy to the target.

How does Chobham Armour work?

Instead of rounded forms, the turrets of tanks using Chobham armour typically have a slab-sided appearance. The backing plate reflects the impact energy back to the ceramic tile in a wider cone. This dissipates the energy, limiting the cracking of the ceramic, but also means a more extended area is damaged.

Who invented era?

Origin. Statistician and writer Henry Chadwick gets credit for inventing ERA in the mid-to-late 19th century. His thinking was that win-loss record simply didn’t go far enough in determining the mark of a good pitcher. The statistic caught on in the 20th century, when relief pitchers became more prevalent.

Does the Abrams use era?

In March 2017, the Army announced that it would begin installing explosive reactive armor (ERA) packages, known as the Abrams Reactive Armor Tile (ARAT), on tanks in Europe, which will also be a feature on the new variants. ERA works by placing “tiles” filed with explosives over specific portions of a tank.

How much does reactive armor cost?

Both the BFV and the M113 have ongoing A2-to-A3 upgrade programs, but the costs and benefits of each upgrade are quite different. The BFV upgrade is very expensive ($2.3–2.6 million) and primarily electronic, while the M113 upgrade is almost entirely mechanical and much less expensive (just over $200,000).

What does Besh stand for tank?

High-explosive squash head
High-explosive squash head.

How is reactive armour effective against kinetic energy projectiles?

To be effective against kinetic energy projectiles, ERA (Explosive Reactive Armour) must use much thicker and heavier plates and a correspondingly thicker explosive layer.

What kind of armour is explosive reactive armour?

Explosive Reactive Armour is a peculiar type of armour that uses explosive charges to defend from other explosives which are fired at it. So let us understand how it works.

How does explosive reactive armor ( AFV ) work?

By creating its own explosion the HEAT warhead detonates prematurely, which prevents the plasma jet of molten metal from the shell penetrating into the crew compartment of the AFV. Explosive reactive armor is most effective against HEAT rounds. Once used, an ERA tile has to be replaced.

Is there a way to defeat reactive armour?

Reactive armour can be defeated with multiple hits in the same place, as by tandem-charge weapons, which fire two or more shaped charges in rapid succession. Without tandem charges, hitting the same spot twice is much more difficult.