Videos tagged with Speed of Sound

This video details the assembly of a 30mm APFSDS-T round, showcasing the attachment of tail fins, sabot petals, and a retaining ring before insertion into the cartridge case. It then demonstrates live fire from a Mk44 Bushmaster cannon, highlighting the projectile's high velocity, approximately five times the speed of sound. The content emphasizes the technical aspects of military-grade ammunition and its application.

This video compares the acoustic differences between supersonic and subsonic ammunition. It features live fire tests at 100 yards using a .223 caliber round in an AR-15 and a .38 Special revolver. The demonstration highlights how the bullet's sonic crack can arrive before the gunshot sound with supersonic rounds (AR-15), while subsonic rounds (.38 Special) produce the gunshot sound first. The tests are conducted safely and are aimed directly at the camera.

This video demonstrates the acoustic phenomenon of supersonic bullets at 450 yards. It highlights the distinct delay between the bullet's sonic crack and the rifle's muzzle blast, showcasing the speed of sound in action. The demonstration takes place on a desert shooting range, emphasizing long-range marksmanship.