![]() How Bullet Design Affects Cavitation Designīullets designed with heavier jackets tend to stay together better and penetrate deeper, while lighter jacketed bullets tend to fragment and expand more rapidly, creating a wider wound channel and increasing temporary cavitation, but generally don’t achieve as much penetration.Įxpansion can be controlled by the bullet’s tip design and by the jacket construction. Temporary cavitation is important because it can be a tremendous wounding mechanism.īoth permanent and temporary cavities are greatly affected by a bullet’s design, sectional density, and velocity at the time of impact. If the stone (bullet) enters the water (tissue) with a lot of momentum, however, the surrounding molecules have to act a lot more quickly and violently, resulting in a splash (temporary cavity). In essence, a bullet going through soft tissue has the same effect as dropping a stone into a pail of water - if the stone (bullet) enters the water slowly, the water (tissue) displacement is so gradual that is has little effect on the surrounding molecules. The bullet does not immediately penetrate the tissue instead, it makes an impact crater that stretches in until the bullet penetrates the tissue.Īs the bullet continues its path, it violently pushes the tissue ahead of it both directly and indirectly in such a way that the tissue is stretched beyond its elasticity and is cut and torn as it quickly tries to return to its original position and beyond. When a bullet hits soft tissue, the tissue acts more like a fluid than a solid as it gives way and tries to absorb the bullet’s energy. This wound channel is the same diameter as the bullet/bullet fragments and is a function of bullet penetration and expansion.Ī secondary way that a bullet causes damage is by the temporary cavity it causes. ![]() The primary way a bullet causes damage to an animal is through the permanent cavity it leaves - the hole that is created as the bullet passes through skin, bone or flesh. The type of wound cavity is critical to the quick and humane kill that hunters owe to the animals they hunt. Causing severe damage to the brain and/or cerebellum.īullet design plays a very significant role in what kind of wound cavity the bullet will make in soft tissue.Severely interrupting or stopping the flow of oxygenated blood to the brain by damaging a major blood-bearing organ or by causing significant damage to the vascular system or.Ethical hunters want as quick and humane a kill as possible, and death is ultimately caused in one of two ways: The bullet’s design, as well as its impact velocity, plays a huge role in how the energy is transferred.Īlso known as wound ballistics, terminal ballistics is important to hunters because it illustrates how a particular bullet will transfer its potential energy when it strikes the target. Terminal ballistics is the study of how a projectile behaves when it hits its target and transfers its kinetic energy to the target. Yet, it's an important process to understand if you want to achieve optimal results. Terminal ballistics is in many cases, the least considered aspect of ballistics when determining the kind of bullet to use for a specific purpose.
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