Gunlover Wrote:
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http://www.chuckhawks.com/killing_power_bullet_arr
> ow.htm
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> Killing Power: Bullets and Arrows
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> The concept of impact energy and "killing power"
> are pervasive throughout the literature and come
> up in just about every discussion on cartridges.
> The size of the game animal also factors heavily
> in cartridge choice. People routinely shoot and
> kill deer (for instance) with a 400 grain arrow
> and a "muzzle velocity" as the arrow leaves the
> bow in the low 200 fps range. Why is it that a
> rifle with 600 ft. lbs. of energy downrange is
> considered too weak, while in the archery world,
> knockdown is not even discussed and the only issue
> is accurately hitting the lungs?
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>
> That was the question posed to me and it is a
> reasonable one. Understand up front that I am not
> an archer, I am only a shooter. However, it is my
> understanding that arrows kill by cutting blood
> vessels, like a knife or sword thrust, only at
> longer range.
>
> Arrows are very long and skinny and have terrific
> sectional density to aid penetration. They are far
> better than any bullet in that regard. It takes
> much more energy to power a typical hunting
> bullet, given its much lower SD than an arrow,
> through flesh and bone. (Bullets work by brute
> force.)
>
> The bigger and stronger the animal, the more
> bullet energy is required on target and the
> "tougher" (less expansion with higher weight
> retention) the bullet must be to ensure adequate
> penetration. The skin of what we call
> thick-skinned game can literally be inches thick
> and the shoulder of a bison or grizzly bear is a
> heck of a lot larger and harder to break than the
> shoulder of a whitetail deer.
>
> After impact, bullets also cause severe bleeding,
> but have a much wider wound track. The permanent
> and temporary wound cavities (note the high speed
> photos of bullets hitting gelatin blocks) destroy
> or damage a substantial amount of tissue on their
> way through the animal. This introduces other
> wound mechanisms, such as shock to the nervous
> system and damage to, crushing of, or even
> cessation of operation of vital organs not
> directly touched by the bullet.
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> It is not unusual for a CXP2 class animal hit with
> fast-expanding bullet to fall dead on the spot,
> with "four feet in the air." A powerful bullet
> with sufficient kinetic energy can stop or turn
> the charge of an elephant or lion. I bet those
> sorts of results are very uncommon when an animal
> is hit by an arrow. Shoot an alert, angry and
> dangerous animal with an arrow and my guess is
> that you had better arrange to stay out of reach
> until he bleeds out.
>
> The trauma (in addition to simple blood loss)
> caused by a bullet's impact is what introduces
> "stopping power" (a term used in reference to
> self-defense firearms), or "killing power"
> (usually used in reference to hunting rifles) into
> the equation. This gives firearms a big advantage
> over arrows in life or death situations and also
> helps to deliver quick kills to game animals,
> which should be the goal of every hunter. I don't
> want my deer to suffer fear and pain for one
> second longer than necessary, so I always try to
> use an adequate firearm for the job at hand, one
> that can cause an almost immediately fatal
> injury.
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> Shoot an alert, angry and dangerous animal with an
> arrow and my guess is that you had better arrange
> to stay out of reach until he bleeds out.
>
> Hope the deer not in your backyard all pissed off.
Civilization have been hunting with crude bows and arrows longer than firearms, Mr. Expert Gunlover.