Supersonic VS Subsonic Bullet Sound ASMR | Bullet Crack #asmr #cod #bullet

Published on May 2, 2024
Duration: 0:10

This video provides an expert demonstration of the acoustic differences between supersonic and subsonic ammunition. Experienced instructor CajunBoyJake showcases the distinct sonic crack of supersonic rounds fired from an AR-15, contrasted with the quieter report of subsonic rounds from a revolver, highlighting the physics of projectile speed relative to sound.

Quick Summary

The key difference between supersonic and subsonic ammunition is their speed relative to the sound barrier. Supersonic rounds exceed the speed of sound, creating a distinct audible 'crack' due to the shockwave they produce. Subsonic rounds travel at or below the speed of sound, thus eliminating this sonic crack and resulting in a quieter sound signature.

Chapters

  1. 00:00Supersonic Ammunition Demonstration
  2. 00:04Subsonic Ammunition Demonstration

Frequently Asked Questions

What is the main difference between supersonic and subsonic ammunition?

The primary difference lies in their speed relative to the sound barrier. Supersonic ammunition travels faster than the speed of sound, creating an audible 'crack' (sonic boom). Subsonic ammunition travels at or below the speed of sound, thus producing no sonic crack, making it quieter.

How does ammunition speed affect bullet sound?

When a bullet travels faster than the speed of sound (supersonic), it creates a shockwave in the air, resulting in a distinct 'crack' or sonic boom. If the bullet travels at or below the speed of sound (subsonic), this shockwave is not formed, and the sound signature is significantly reduced.

What firearms were used to demonstrate supersonic and subsonic rounds?

In this demonstration, an AR-15 style rifle equipped with an EOTech holographic sight was used to showcase the sound of supersonic ammunition. A double-action revolver was used to demonstrate the quieter sound profile of subsonic ammunition.

What is a sonic crack in relation to bullets?

A sonic crack, or sonic boom, is the sound associated with a shock wave created when an object travels through the air faster than the speed of sound. For bullets, this occurs when the projectile exceeds Mach 1, producing a sharp, audible 'crack'.

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