Origami Shield

Origami Shield

Everything goes to this and everyone is waiting for it. Protective means in the form of heavy or massive metal plates should become a thing of the past.

The shield took its shape from origami and much easier ordinary police shields. The latter are now made of steel and weigh about 45 kg, can protect only one person and are cumbersome, inconvenient to transport and use.

Engineers decided to improve this system, and therefore created a lighter shield on the principles of origami. Video under the cut ..

The technique used to create the shield is called the Yoshimura bend principle, and it allows you to create a collapsible object with a series of triangular bends. Thus, a shield based on this principle can fold up to the size of a small suitcase, but in the unfolded state, provide shelter to three people.

The shield is made of 12 layers of Kevlar with an aluminum base. The result was a lightweight but durable construction. It weighs about 25 kg, but is able to stop the bullets from most pistols, including 44 Magnum.

Its faceted form provides booking with rational tilt angles of protective sheets.

It is compact and lightweight, so it is easy to carry it to one person or to transport a car in the trunk. Engineers from the American University of Brigham Young sought inspiration in the ancient art of folding paper figurines.

They managed to find it: they created a light, folding bulletproof shield that is able to save law enforcement officers from "soft" pistol bullets.

The “barrier” is portable and compact due to the fact that it is foldable: when not in use, it takes up no more space than a sweater in your grandmother’s closet.

To deploy the "system", five seconds is enough. The shield provides protection from bullets fired from several types of firearms.

“While working on its creation, we took into account the wishes of police officers, were interested in the opinion of special forces soldiers and FBI special agents, in order to understand what their professional needs are. We found out that modern bulletproof shields are too heavy and bulky, ”said one of the shield developers, Professor Larry Howell.

“We set a goal - to create something compact, light, reliable, able to protect personnel,” continues Howell.

"Operatives" told scientists that the ballistic protection, which is currently used by law enforcement officers, has not undergone any significant changes since the Middle Ages: as a rule, it is a massive shield covering one person.

They also said that modern models of shields are a very heavy burden: they are hard to carry to their original position.

The shield, created according to the origami principle, covers not only the frontal part, but also provides additional side protection.

During the tests, the barrier successfully stopped 9-mm bullets of revolver cartridges 357 Magnum and 44 Magnum.

“These are extremely powerful ammunition for large caliber pistols,” said Professor Howell, and continued. “We expected the bullet to break through the barrier, but this did not happen - he endured this test as well.”

I also had to think about how to protect Kevlar from the effects of atmospheric phenomena: rain and sun (it loses its properties, for example, if it is heated or wetted).

The developers are confident that their “origami” will be useful not only for the special services: in the case of a school shootout, teachers and students will appreciate its protective properties.

Although at present the ballistic shield is only a prototype, it has already been tried on the shooting range and beyond, with real police officers.

For example, judging by the armband, the employee of the Brigham Young University Police Department is captured on video (every major university, hospital, or school district has its own police station in the US)

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