Topic
Projectile
About: Projectile is a research topic. Over the lifetime, 13047 publications have been published within this topic receiving 115563 citations.
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Patent•
04 Sep 1981
TL;DR: In this paper, a small-arms simulator is presented, in which a plurality of functioning and control modules are supported by a gun body having an exterior configuration to simulate a real weapon.
Abstract: A small weapons simulator in which a plurality of functioning and control modules are supported by a gun body having an exterior configuration to simulate a real weapon. The functioning modules include a laser beam transmitter to synthesize the trajectory of a bullet, recoil simulating means, sound simulating means and means to develop a lifting force on the forward portion of the gun body upon trigger actuation of the trigger, the recoil means and the sound simulating means to synthesize the characteristic of muzzle-rise on discharging a projectile from a weapon.
38 citations
Patent•
22 Apr 2009
TL;DR: In this article, a system for protecting a vehicle from a projectile, the projectile having an expected trajectory and the vehicle having a hull, is disclosed. The system has a modular armor subsystem configured to be mounted exterior to the vehicle hull, having a leading layer having metal, leading relative to the expected trajectory, and an intermediate sheet-like layer having low density material, of a density less than metal, abutting a rear surface of the leading layer.
Abstract: A armor system for protecting a vehicle from a projectile, the projectile having an expected trajectory and the vehicle having a hull, is disclosed. The armor system has a modular armor subsystem configured to be mounted exterior to the vehicle hull. The modular armor subsystem has a leading layer having metal, leading relative to the expected projectile trajectory, and an intermediate sheet-like layer having low density material, of a density less than metal, abutting a rear surface of the leading layer. The armor system also has an intermediate sheet-like layer having glass fiber material and abutting a rear surface of the intermediate low density material layer, and an intermediate sheet-like layer having metal and abutting a rear surface of the intermediate glass fiber layer.
38 citations
TL;DR: In this paper, the authors studied the dynamics of a projectile impacting on a loose granular bed under the acceleration due to gravity g and found that the penetration velocity u can be described by m du=dtZKguKkzC mg 0, where g and k are the parameters which characterize the viscous damping and hydrostatic drag forces of the bed, respectively, z is the penetration distance of the projectile, and g 0 is a modified gravity term.
38 citations
Patent•
29 Nov 1972
TL;DR: A rotatable airfoil non-lethal sting projectile comprising a hollow closed circular ring wing surrounding a central open area was used as a riot control weapon as mentioned in this paper, which used spin imparted to it from a launching means for its gyroscopic stability.
Abstract: A rotatable airfoil non-lethal sting projectile comprising a hollow closed circular ring wing surrounding a central open area. The projectile consists of an aerodynamic lifting body of a thick ring wing geometry which uses spin imparted to it from a launching means for its gyroscopic stability. The combination of aerodynamic stability characteristics and high spin rate (i.e. above 2,000 rpm) results in a flat trajectory and extended range capability. The projectile is intended as a riot control weapon. Impact is non-lethal, but may be painful. The subsonic launch velocity, the non-metallic light weight structure, the soft resilience, and relatively large size of the projectile avoids serious bodily harm due to impact with a person even at point-blank range.
38 citations
TL;DR: In this paper, it was shown that the laws of cratering in a thick target under hypervelocity impact by a spherical projectile can be approximately expressed by the so-called iso-deviation law and a 2/3 power law.
38 citations