# foot pounds of energy calculator

Gun publications and avid shooters can run on endlessly about the energy of certain cartridges and even specific brands of cartridges. Here it is for those of us who have long since forgotten: To translate for the less mathematically inclined, “kinetic energy equals one-half the mass of an object times the square of its velocity.”. As the bullet travels down the barrel, propellant gases build pressure and accelerate the forward motion of the projectile. So what is muzzle energy all about and why should you care about a calculator that helps you determine it? Although we don’t always like it, a hunter can shoot an animal and let it run off a short distance to expire.

* The speed of sound is an estimate based on air at sea level and 59 degrees Fahrenheit. EDUCATION 101. Note: Fractional results are rounded to the nearest 1/64. Some modern airguns can shoot a projectile FASTER than the speed of sound. This is the major problem with using FMJs for anything other than target shooting and recreational plinking. Here's hoping this calculator helps you with those physics problems. These numbers only indicate projectile performance as it leaves the muzzle. AND you get to see the answer in 7 other different units !! The goal of an armed citizen is to stop an attacker as quickly as possible. Kinetic Energy is the energy an object has owing to its motion.

Grams to Grains; FPS to MPS; Feet to Yards; Yards to Metres; Foot-pounds to Joules; Joules to Foot-pounds; Muzzle Energy; Velocity from Muzzle Energy

than 1,000 will be displayed in scientific notation and with the same number of = 1/2*M*V 2 where M is mass and V is velocity. And the expansion does more than slow the progress of the projectile, it also carves a wider wound channel than a comparable FMJ, creating more damage and more blood loss. One foot pound (sometimes written as ft-lb) translates to the amount of kinetic energy it takes to move a one-pound object one foot. Supersonic: Mach 1.2 to 5.0, 915 to 3,806 mph, or 1,341 to 5,582 FPS.

Air pistols that produce more than 6ft.lb are prohibited. It equates to 1.355 817 948 331 4004 joules . The “Train” and the “Defend” ammunition produces the exact same muzzle energy and velocity. Winchester’s “Train and Defend” line makes a perfect example. In this case we are solving for MASS, For easy readability, the answers are displayed in a "significant figure" format so you will output at all. Cumbria's Fishing Tackle and Air Gun Specialists. The idea is to provide realistic training rounds that deliver the same shooting experience as self-defense rounds. Muzzle energy isn’t something that can be measured with radar guns or impact targets. To understand this, think about how hard a baseball would hit you when tossed by a four year-old versus its impact when pitched by Randy Johnson.

To get the most performance out of an airgun it is important to measure the velocity and weight of the pellet to be able to understand the Foot Pounds of Energy. One foot pound (sometimes written as ft-lb) translates to the amount of kinetic energy it takes to move a one-pound object one foot. So, real world performance can vary greatly. 3) For a game animal or a human attacker to die, there must be sufficient blood loss, usually through significant damage to the vascular system or a major blood-bearing organ. 1.4 foot-pounds – Steel BB with an old school airgun (5 gns, 350 FPS), 32 foot-pounds equivalent – .22 RWS Superdome Pellet with an, 203 foot-pounds equivalent – .357 “pellet” and Sam Yang Recluse big bore airgun, 309 foot-pounds equivalent – 9mm bullet with a Walther PPQ M2 (115 gns, 1100 FPS), 4,900 foot-pounds equivalent – .338 Lapua Magnum bullet with a McCmillan TAC-338, 11,000 foot-pounds equivalent – .50 BMG bullet with an Accuracy International AX50. Enter 500,000 in the "energy" box and choose foot pounds from its menu. What is her kinetic energy? You can calculate kinetic energy using the classic formula you memorized in Physics class. However, that doesn’t mean real science and math weren’t used to come up with these numbers. In this case we are solving for ENERGY, changing the number in the box above.

A 4,000 pound car has an energy of 500,000 foot pounds. so click on that button. It can also be defined as the heat energy dissipated by a current of one ampere passing through a one Ohm resistor for one second. FIRST CHOOSE WHAT YOU ARE SOLVING FOR For self-defense and hunting ammunition, muzzle energy is just part of the equation. The more we all know, the better organized and stronger the shooting and hunting community will be. The resulting muzzle energy unit is foot-pounds. This is the formula for kinetic (moving) energy and is calculated as K.E. While a good indicator of raw performance, it only gives the consumer a vague idea of how effective that ammunition will be. You may add items to the list on the right in order to … FIRST CHOOSE WHAT YOU ARE SOLVING FOR When we talk about muzzle energy, it is typically measured in foot pounds. Foot-Pounds of Energy (FPE) Joules: FPS calc. As always, it’s important to remember that at the end of the day there is no substitution for accuracy. Loading * * * Category: Calculators. While deep penetration is great for reaching vital organs, too much penetration can cause the bullet to pass completely through the target, taking that energy with it. That’s how velocity affects muzzle energy. This Airgun Energy Calculator is a simple widget designed to take the velocity of a projectile (bb, pellet, dart or bullet), its weight in grains, and calculate the foot pounds of energy (fpe) at the muzzle. For easy readability, the answers are displayed in a "significant figure" format so you will Transonic: Between mach .08 to 1.2 mach, 609 to 914 mph, or 893 to 1340 FPS.
A comprehensive collection of interactive, online ballistics calculators! Technically this is only true to a point.

One way to describe muzzle energy is the work required to move a mass over a distance. so click on that button. not see answers such as 77.3333333333333333. Click Here to open in small window. In this case we are solving for VELOCITY, Click the CALCULATE button and you will see this equals 317.58 foot pounds. Numbers larger Click the CALCULATE button and you will see this equals 317.58 foot pounds. Typically, manufacturers derive these numbers from data gathered using special ballistic test barrels. This eliminates all formatting but it is better than seeing no A 4,000 pound car has an energy of 500,000 foot pounds.

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In this case we are solving for ENERGY, In old westerns, we often see kinetic energy exaggerated as the bad guy flies backward after being shot. What is its velocity?

FIRST CHOOSE WHAT YOU ARE SOLVING FOR than 1,000 will be displayed in scientific notation and with the same number of To measure an airgun velocity you'll need to borrow or purchase a Chronograph. What Barriers Do To Ammunition – Testing Data. not see answers such as 77.3333333333333333. Click the CALCULATE button and you will see this equals 317.58 foot pounds. Drone Kinetic Energy Calculator for Multi-Rotors (Velocity, Time, & Foot-Pounds) By Jonathan Rupprecht | 0 Comment. Language. so click on that button. Here's hoping this calculator helps you with those physics problems. Muzzle energy is the amount of energy a bullet carries right out of the barrel. Enter the first two variables, then press calculate. Bullet Kinetic Energy Calculator. confined to inputting mass in grams, velocity in meters per second, etc. there are a few browsers that will show no output whatsoever.

The legal muzzle-energy limit for air rifles is 12ft.lb and for pistols, 6ft.lb. It equates to 1.355 817 948 331 4004 joules, One Joule is 1 Newton Metre, ie the work done or energy transfered to an object when a one Newton force acts on it over one metre.

A woman with a mass of 95 pounds is running at 10 miles per hour. Copyright © 1999 - not see answers such as 77.3333333333333333.

Click the CALCULATE button and this equals 61.149 miles per hour. Enter 85.145 in the "energy" box and choose foot pounds from its menu. 3) This high speed can come with a price if the projectile moves to a slower speed (below Mach 1) and the pellet starts to tumble. The velocity of a projectile plays an important role in the amount of kinetic energy it carries. making this Calculated from retained velocity at two distances . PLUS you get to see the answer in 7 other different units !! This doesn’t always mean death, and you may not have the luxury of waiting for an armed attacker bent on doing you harm to bleed out. On the other hand, Winchester “Defend” rounds are topped with jacketed hollow points. Enter 1,150 in the "velocity" box and choose feet per second from its menu. document.writeln(xright.getFullYear()); In this case we are solving for VELOCITY, This site is owned and maintained by Wight Hat Ltd. ©2003-2020.

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