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Bullets with laser guidance

08.02.2012

American military personnel are very pleased with the XM25 rifles, whose bullets can change their trajectory if necessary. An interesting alternative was developed by scientists at the American Sandia National Laboratory, in their performance, a flying bullet follows where the laser sight points. Even if it has already flown out of the barrel.

The minimal presence of homing ammunition for firearms is a problem for the defense industry and military personnel. Similarly, artillery, before the invention of homing missiles, had to use the so-called "carpet bombing", unaimed and hitting everything around. The new homing bullet is not very similar to the usual one, its length is about 10 cm, stabilizers are located on the surface of the "smart" ammunition, in addition, the bullet does not rotate in flight.

An optical sensor is located in the nose of the bullet, which monitors the position of the laser dot from the sight 30 times per second. Drives located inside the ammunition turn the stabilizers, thus correcting the direction of the bullet's flight. The Sandia lab engineers conducted tests based on a computer model and in real world conditions. They found that when the target is located at a distance of 800 meters, the average error of a firearm is about 10 meters, while with new homing bullets this figure is reduced to only 20 cm.

One of the most important advantages of the development is the fact that engineers used only commercially available components to make the laser-guided bullet.

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