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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does recoil amount and velocity affect muzzle velocity?
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<blockquote data-quote="toddc" data-source="post: 1272547" data-attributes="member: 4566"><p>To make this easier to understand, if a projectiles MASS = gun weight, the two will move away from each other at exactly the same acceleration. So if your gun weighed 300 grains and you shot a 300 grain bullet....well it would blow thru your shoulder. Since your gun weighs much more than the bullet and kinetic energy is a function of a square of velocity, when you pull the trigger the gun doesn't blow thru your shoulder. </p><p>Physics is physics. The velocity variation may be small and is in fact exactly equal to the recoil velocity of the gun/shooter. If a HARD HOLD changes recoil VELOCITY by 10FPS then there will be a 10FPS difference in bullet velocity. Changing HOLD RESISTANCE by 30 LBS with a 3000FPE 3000FPS bullet will affect velocity by over 20FPS. </p><p>All of the physics are online and available for all to see, as well as the calculators to figure the differences.It looks like a lighter rifle will be affected more than heavier and larger charges and bullet weights are more susceptible to differences.</p><p>Just one more reason to be as consistent in shooting as possible.</p></blockquote><p></p>
[QUOTE="toddc, post: 1272547, member: 4566"] To make this easier to understand, if a projectiles MASS = gun weight, the two will move away from each other at exactly the same acceleration. So if your gun weighed 300 grains and you shot a 300 grain bullet....well it would blow thru your shoulder. Since your gun weighs much more than the bullet and kinetic energy is a function of a square of velocity, when you pull the trigger the gun doesn't blow thru your shoulder. Physics is physics. The velocity variation may be small and is in fact exactly equal to the recoil velocity of the gun/shooter. If a HARD HOLD changes recoil VELOCITY by 10FPS then there will be a 10FPS difference in bullet velocity. Changing HOLD RESISTANCE by 30 LBS with a 3000FPE 3000FPS bullet will affect velocity by over 20FPS. All of the physics are online and available for all to see, as well as the calculators to figure the differences.It looks like a lighter rifle will be affected more than heavier and larger charges and bullet weights are more susceptible to differences. Just one more reason to be as consistent in shooting as possible. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does recoil amount and velocity affect muzzle velocity?
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