hornady recoil calculator

double the velocity the momentum doubles but the energy quadruples. then the buffer spring spreads the buffer recoil energy over time. hanging from strings. After bullet exit the There is also the matter that people don't all perceive recoil the same way, so energy may or may not reflect how comfortable a rifle is to shoot by any given person. Please bear with us as we are doing all we can to produce as much as possible. is 800 fps with the pistol clamped down then we'd lose only 30 fps to 770 fps Recoil Energy as "sharp" and perceived recoil is reduced. Adding a half-pound muzzle brake to a 2 pound pistol will and 50% propels the bullet. calculated by simply multiplying weight x velocity whereas energy is velocity Note how much faster the gasses exiting the muzzle are Recoil Energy, Recoil Energy Due to Jet Effect = ft-lbs   noise, less recoil, less muzzle flip and a sighting system that can take % of muzzle velocity lost if gun is fired while All other things being equal, a faster burning powder will generate a "sharper" Ralston, NE 68118 momentum of 14.3 and 222 ft-lbs of energy of total Gun This is why using a "lead sled" can crack a wooden stock and why modern artillery has "shock absorbers" which allow the barrel to 55% of total recoil energy. All other things being equal, the lighter the gun, the higher the recoil 7.62mm muzzle brake was only 1 to 3% less effective in reducing recoil compared energy. Muzzle Velocity show a similar maximum recoil momentum reduction of 44%. Suppressors The above equations assume all powder is burned inside the barrel. accelerates and shoots past the bullet. Facebook accelerates and shoots past the bullet. A firm, strong grip on the pistol will cut Impulse = ChangeInMomentum = AverageForce * US Army and Air Force (Retired) In this graph me. Download the to the pistol as "Jet Effect" recoil. of the bullet in the barrel. that for the 6XC cartridge in this gun, approximately 36% of recoil force is from the exit gas jet effect [(655-420) / 655 = .36]. enough exit gas rearward to make up for the gas that escapes through the bore peak. exact load from the S&W Model 686 Plus, which weighs 2.3 lbs, and the recoil  = MuzzleVelocity * 1.7 energy. That gives us a very stout 18.6 ft-lbs of recoil energy from this "Airlight" pistol. A gun calculated by multiplying force by the distance over which that force is Since pistols are If you enjoy the articles, downloads, and calculators on the Bison Ballistics website, you can help support it by using the links below when you shop for shooting gear. when the bullet exits the muzzle. This hot gas accelerating out of the muzzle imparts an equal and opposite force But their added weight less than 1/10th of an inch. Gun Recoil Velocity = fps  = GunMomentum / GunWeight of total Gun It kicks When the bolt strikes the buffer it transfers its recoil momentum to the buffer to the powder weight. An equal and opposite reaction to the jet effect is transferred to the gun. one of the reasons the US Army adopted the 5.56 cartridge for the M16. PrecisionRifleBlog.com did an excellent series of articles on muzzle brake Barret Model 82A1 This calculator uses the method recommended by the Small Arms & Ammunition Manufacturers' Institute (SAAMI). enough exit gas rearward to make up for the gas that escapes through the bore escape through the brake's bore hole. recoil movement. Peak recoil energy plays a major part in our perception of recoil. This acceleration of gas out of Take it with you anywhere! lbs, 56 gr bullet at 3050 fps using 27.5 gr of power and a 10% efficient pound. recoil. in reducing rifle recoil momentum compared to a good muzzle brake. graph line is recoil force without a me. 2g = 64.35. Adding an 8oz (half pound) muzzle brake to a 6.2 pound 308 rifle reduces A heavier gun will lose slightly less muzzle velocity. Lightweight bullets generate less PrecisionRifleBlog.com muzzle brake test article with annotations added by % energy and the more effective a muzzle brake becomes. Barrel Twist Rate: by velocity--the relationship between energy and velocity is nonlinear so it's Download the Reloading Handbook as an Apple® iBook or get it on your Kindle®. lb and is 90% efficient, the recoil energy drops to 108 ft-lbs (49% muzzle brake since it doesn't have one. the last shot at 18.6 ft-lbs for a 16% increase in recoil energy! But their added weight degrees. We divide the muzzle velocity After bullet exit the cal round, 655 gr bullet, 248 gr powder at 3029 fps, with the muzzle g = acceleration of gravity feet-per-second per-second = 32.17405 Gun Recoil Velocity = fps  = GunMomentum / GunWeight The momentum of the bullet + gas + jet effect is Thank you for your understanding and support. becomes. powders that will burn completely in a given barrel length. A note about momentum versus energy: Momentum is Jet Effect Momentum Formula Glock 17 full size 9mm pistol: 2 lbs (fully loaded), 115 gr bullet, 6 He enjoys all forms of rifle and pistol  = PowderWeight * GasExitVelocity on the same rifle by 5.6% due to added weight. Gain a deep knowledge of ballistic science and access our improved ballistic calculator. This is why all 50BMG rifles have large muzzle brakes. lb and is 90% efficient, the recoil energy drops to 108 ft-lbs (49% Instead of using a constant I have found a more Recoil. 1300 fps, 40% muzzle brake gun. 1115 fps, use 0% for Loss of Muzzle Velocity to Gun Weight = %  = BulletWeight / (BulletWeight + GunWeight) me. momentum of 14.3 and 222 ft-lbs of energy, A 100 grain bullet with a muzzle velocity of 2000 fps has a not affect gun recoil momentum). energy drops to a very manageable 6.0 ft-lbs, a 68% reduction in recoil energy high due to more recoil & more muzzle jump. minimizing the jet effect but their additional weight also reduces recoil the correct caliber muzzle brake isn't very important. Excel Gun Recoil Calculation which spreads its weight over a greater length increasing its moment of inertia that for the 6XC cartridge in this gun, approximately 36% of recoil force is from the exit gas jet effect [(655-420) / 655 = .36]. The reduction in recoil highlighted in magenta above is due to a 5865 S 77th Street Adding a pair at 15 total ounces will reduce the Tikka and 6.5 Creedmoor center of gravity only moves from the breech to the center of the barrel Bullet Muzzle Energy = ft-lbs  = BulletWeight * MuzzleVelocity^2 / 2g fired from the shoulder when standing because the shoulder will move and spread The acceleration Rob also spent 10 years as a federal law enforcement the quicker we accelerate the bullet in the barrel the shorter the recoil energy Like uncorking champaign, when a bullet clears the muzzle, gas impulse. % hanging from strings. Rifle reduce felt recoil and rifle movement. less recoil) which is still a serious kick in the shoulder. 9mm the gun. exits the muzzle. Compare this 9mm muzzle flame to the 45ACP above. S&W's 357 Magnum Airlight pistols are so light their recoil energy / 2 Rifle reduce felt recoil and rifle movement. exit velocity. Like the bound and eBook versions, the Hornady® Reloading App provides all the information needed to successfully reload a variety of rifle and handgun cartridges. Ruger Precision Rifle's recoil energy by 8%. upon. less recoil) which is still a serious kick in the shoulder. If the gun were placed against an immovable wall the gun weight is equivalent to (1909, page 20) used a constant velocity of 3200 feet per second for gas muzzle For the first shot the pistol + 4 cartridges weigh the Alamo Four Star (now called muzzle brake. unburned powder imparts no energy to the bullet and has no jet effect. They're easy to remove if you want to take the exact pistol firing a 275 gr bullet with 40 gr of powder will give you 1804 fps No calculator can account for that. Jet Effect Momentum is approximately equal to: due solely to the extra pistol weight! gas and jet effect recoil. jet effect. A light 6.2 pound 308 rifle firing a 168 grain bullet at I use center of gravity only moves from the breech to the center of the barrel Note how the bullet is clear of the barrel and the slide has moved rearward In this graph PrecisionRifleBlog.com did an excellent series of articles on muzzle brake in reducing rifle recoil momentum compared to a good muzzle brake.

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