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Long Range Hunting & Shooting
Recoil & Bullet Weight
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<blockquote data-quote="ENGUNEER" data-source="post: 2289016" data-attributes="member: 69255"><p>Think of the recoil of a rifle like a rocket engine ejecting both solid and gaseous masses. The force on the rifle muzzle is a function of the bullet mass, the propellant mass and their respective velocities (ie, their momentum as the time rate of change of the mass leaving the muzzle times their respective velocities), as well as the muzzle exit pressure multiplied by the bore area. In general, the force is complicated in time in that the bullet kicks first, followed by the propellant gas and muzzle pressure. These actions provide the kick force over time, which when combined with the rifle weight can be converted to the recoil energy of the rifle mentioned previously. You can somewhat control the kick from the propellant. If you are able to turn the propellent gas by 90 degrees to the bore axis (ie, muzzle brake) there will be no kick from the burned gases. You can change the bullet mass, but the bullet velocity will also likely change which will, in turn, affect the kick. You can change the bullet (ie, bore) diameter and use a different powder to affect the muzzle pressure to change the pressure induced kick. In all, it is quite complicated in that just changing the bullet mass may not give the expected result. A muzzle brake is at least easy and it will definitely result with less recoil.</p></blockquote><p></p>
[QUOTE="ENGUNEER, post: 2289016, member: 69255"] Think of the recoil of a rifle like a rocket engine ejecting both solid and gaseous masses. The force on the rifle muzzle is a function of the bullet mass, the propellant mass and their respective velocities (ie, their momentum as the time rate of change of the mass leaving the muzzle times their respective velocities), as well as the muzzle exit pressure multiplied by the bore area. In general, the force is complicated in time in that the bullet kicks first, followed by the propellant gas and muzzle pressure. These actions provide the kick force over time, which when combined with the rifle weight can be converted to the recoil energy of the rifle mentioned previously. You can somewhat control the kick from the propellant. If you are able to turn the propellent gas by 90 degrees to the bore axis (ie, muzzle brake) there will be no kick from the burned gases. You can change the bullet mass, but the bullet velocity will also likely change which will, in turn, affect the kick. You can change the bullet (ie, bore) diameter and use a different powder to affect the muzzle pressure to change the pressure induced kick. In all, it is quite complicated in that just changing the bullet mass may not give the expected result. A muzzle brake is at least easy and it will definitely result with less recoil. [/QUOTE]
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Recoil & Bullet Weight
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