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Projectile

About: Projectile is a research topic. Over the lifetime, 13047 publications have been published within this topic receiving 115563 citations.


Papers
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Patent
26 May 1992
TL;DR: In this paper, a small arms projectile has a body that includes a cylindrical main body section and a smaller generally frusto-conical front body section with a plurality of curved veins or ribs mounted thereon that define the frustoconical shape of the front body portion as generated during rotation of the projectile.
Abstract: A small arms projectile has a body that includes a larger cylindrical main body section and a smaller generally frusto-conical front body section with a plurality of curved veins or ribs mounted thereon that define the frusto-conical shape of the front body portion as generated during rotation of the projectile. The front body section has an annular concave surface and each of the curved ribs or veins extends between the concave surface and an outermost edge. The projectile can be used with standard pistol and rifle cartridges such as .22, .38, .45, 9 mm and the like. In a second embodiment, a shot shell sabot-projectile assembly that can be used with smooth bore guns as well as with shot guns of various gauges such as .410, .28, .20, .16, .12 and .10 for example.

32 citations

Journal ArticleDOI
TL;DR: In this paper, momentum multiplication was investigated as a function of target material properties and projectile velocity in hypervelocity impacts on rock targets, where the momentum transferred to the target is greater than the original momentum of the projectile.

32 citations

Journal ArticleDOI
TL;DR: In this article, the impact mechanism and failure of the target are discussed and the ballistic limit equation is verified by the test data and the results show that this empirical equation could be a practical way to estimate the critical velocity.

32 citations

Patent
07 Apr 2000
TL;DR: In this paper, a transportable pod consisting of a plurality of barrel assemblies of the type including a number of projectiles arranged in-line within a single barrel is described, each of which is associated with a discrete, selectively ignitable charge.
Abstract: A weapon comprising a transportable pod having a plurality of barrel assemblies (10) of the type including a plurality of projectiles (11) arranged in-line within barrel (12). Each projectile (11) is associated with a discrete, selectively ignitable propellant charge (13) for propelling each projectile (11) sequentially through the muzzle of barrel (12). Each projectile (11) includes projectile body (22) in which matter or objects may be transported. Projectiles (11) are arranged with one another and barrel (12) so as to prevent rearward travel of an ignited propellant charge to the trailing propellant charge. The pod can include a direction control means for selectively varying the relative alignment between barrel assembles (10) so as to selectively vary the relative delivered position of projectile (11) fired from different barrels (12). The weapon may be used for military or civilian applications.

32 citations

Journal ArticleDOI
TL;DR: Very simple stability bounds for spinning finned missiles with spin rates well above resonance as well as for a gyroscopically stable shell are given in this article, but the motion of slowly spinning missiles should be numerically computed.
Abstract: Lloyd and Brown have shown that constant horizontal and vertical side forces and moments applied to a spinning projectile can result in dynamic instability. This instability arises from the nonlinear terms in the fixedplane coordinate system spin that appear in the equations of motion. By the use of the fixed-plane system (rather than Lloyd and Brown's nonrolling system) simpler relations can be developed, the full effects of gravity, drag and roll damping obtained, and the limitation to large gyroscopic stability factors removed. Very simple stability bounds are given for spinning finned missiles with spin rates well above resonance as well as for a gyroscopically stable shell. Exact solutions are given for finned missiles with zero spin but the motion of slowly spinning missiles should be numerically computed.

32 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20242
2023650
20221,196
2021290
2020458
2019452