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Abstract. An analysis of the forces acting on the SA80 assault
rifle during firing was undertaken to investigate barrel rotation whilst
the bullet was traveling in the barrel. Bullet displacement and
velocity from initial movement to the point when the bullet
left the barrel were first calculated. Two separate numerical methods
were used to calculate barrel angular displacement and angular velocity
against time caused by the propellant pressure acting on the
breech face and the angular acceleration of the bullet. The
two different methods gave good agreement, giving a barrel angular
displacement of 0.066 rad and an angular velocity of 3.75
x 10-4 rad/s respectively.
Related topics:
small arms, SA80, firepower and protection
View first page of "Dica: Analysis of the Forces Acting on a Shoulder Supported Weapon during Firing"
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