Patent ID: 8434409
Filing Date: 2013-05-07
Classification: F42B

Abstract:
1. A projectile for use in a barrel with a plurality of stacked projectiles, comprising a tail assembly, the tail assembly comprising: a casing and a closure in the tail assembly, the casing and closure forming a chamber containing a propellant charge, an exit from the casing for release of propellant gases into the barrel when the propellant is ignited to launch the projectile from the barrel, the closure closing the exit, wherein the closure is opened by ignition of the propellant within the chamber, a primer in a primer chamber in a leading end of the casing, an inductor around the casing, and a planar signal detector located at a leading end of the casing and at a leading edge of the inductor, wherein the signal detector triggers the primer and the signal detector receives a signal output from the inductor to trigger the primer.