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Author : Walter F. Braun
Publisher : Unknown
Page : 216 pages
File Size : 54,8 Mb
Release : 1973
Category : Firearms
ISBN : UOM:39015095102698
Author : Maynard J. Piddington
Publisher : Unknown
Page : 34 pages
File Size : 55,9 Mb
Release : 1957
Category : Ammunition
ISBN : UOM:39015095104553
Author : Tony Pollard,Iain Banks
Publisher : BRILL
Page : 353 pages
File Size : 52,9 Mb
Release : 2008
Category : Social Science
ISBN : 9789004164482
This volume draws together a series of new studies into various aspects of the archaeology of conflict. Part of the volume focuses on conflict in the twentienth century, with several papers dealing with the growing field of First World War archaeology, which is also the main theme of the extended editorial. Further contributions focus on a variety of subjects, including the use of historic maps in locating the remains of 16th century sieges, the impact of disease on a 17th century army and a discussion of the political context of cultural research heritage in Ireland with respect to battlefield heritage.
Author : G. L. Winchenbach
Publisher : Unknown
Page : 172 pages
File Size : 43,5 Mb
Release : 1997
Category : Aerodynamics
ISBN : UOM:39015104956365
Author : Anders S. Platou,George I. T. Nielsen
Publisher : Unknown
Page : 286 pages
File Size : 49,5 Mb
Release : 1973
Category : Magnus effect
ISBN : UOM:39015095342799
Author : Eugene D. Boyer
Publisher : Unknown
Page : 38 pages
File Size : 51,5 Mb
Release : 1959
Category : Ammunition
ISBN : UOM:39015095104637
Author : Alvah Buckmore, Jr.
Publisher : CRC Press
Page : 159 pages
File Size : 46,8 Mb
Release : 2018-07-17
Category : Science
ISBN : 9781351377362
The science of small arms ballistics is seriously underdeveloped and underappreciated. This unique and different book is a comprehensive study that fills a legitimate need for a work that covers the engineering and theory of small arms ballistics. The author shares his extensive research on working out the science of small arm ballistics mathematically and explains his theories, such as the field-effect and the field-effect over trajectory and time, along with new theories on interior, exterior, and terminal ballistics. Each equation describes a mathematical relationship, such as transfer of energy, and has an engineering application to help solve a design problem. Some equations, such as the calculation of bullet length with a given muzzle velocity and rate of twist, represent manipulations of those equations. Some other equations represent a set of mathematical instructions to resolve a technical problem, such as the computation of trajectory or depth of penetration of living tissue in real-time.
Author : United States. Army Materiel Command
Publisher : Unknown
Page : 148 pages
File Size : 48,6 Mb
Release : 1966
Category : Projectiles
ISBN : MINN:31951D03437892V
Author : Robert L. McCoy
Publisher : Schiffer Military History
Page : 0 pages
File Size : 46,6 Mb
Release : 2012
Category : Antiques & Collectibles
ISBN : 0764338250
Modern Exterior Ballistics is a comprehensive text covering the basic free flight dynamics of symmetric projectiles. The book provides a historical perspective of early developments in the 19th century, the technology leading to World War I and that through World War II into the modern post-war era. Historical topics include the first ballistic firing tables, early wind tunnel experiments, the development of free flight spark ranges and the first supercomputer, ENIAC, which was designed to compute artillery trajectories for the U.S. Army Ballistic Research Laboratory. The level of the text requires an undergraduate education in mathematics, physics, and mechanical or aerospace engineering. The basic principles of ballistic science are developed from a comprehensive definition of the aerodynamic forces that control the flight dynamics of symmetric projectiles. The author carefully starts with the basic vacuum point mass trajectory, adds the effects of drag, discusses the action of winds, simple flat fire approximations, Coriolis effects and concludes with the classic modified point mass trajectories. Included in the discussion are analytical methods, change of variables from time to distance, numerical solutions and a chapter on the Siacci Method. The Siacci Method provides a historical perspective for computing flat fire trajectories by simple quadrature and is used in the sporting arms industy. The final six chapters of the book present an extensive physical and mathematical analysis of the motion of symmetric projectiles. The linearized equations of angular and swerving motion are derived in detail. The effects of mass asymmetry, in-bore yaw, cross wind and launch in a slipstream are discussed. Special consideration is given to the derivation and explanation of aerodynamic jump. These subjects are then expanded to include a complete chapter on nonlinear aerodynamic forces and moments. The final chapter in the book presents an overview of experimental methods for measuring the flight dynamics of projectiles. The great forte of Modern Exterior Ballistics is the author's effort to provide many fine specific examples of projectile motion illustrating key flight behaviors. The extensive collection of data on projectiles from small arms to artillery used to substantiate calculations and examples is alone a valuable reference. The ultimate joy of the book is the incomparable comprehensive set of flow field shadow graphs illustrating the entire spectrum of projectile flight from subsonic, through transonic and supersonic. The volume is a necessary addition to any undergraduate or graduate course in flight dynamics.
Author : Frankie Gale Moore
Publisher : Unknown
Page : 146 pages
File Size : 50,6 Mb
Release : 1972
Category : Aerodynamics
ISBN : UOM:39015095341866
Several theoretical and empirical methods are comgined into a single computer program to predict lift, drag, and center of pressure on bodies of revolution at subsonic, transonic, and supersonic Mach numbers. The body geometries can be quite general in that pointed, spherically blunt, or truncated noses are allowed as well as discontinuities in nose shape. Particular emphasis is placed on methods which yield accuracies of ninety percent or better for most configurations but yet are computationally fast. theoretical and experimental results are presented for several projectiles and a computer program listing is included an an appendix.
Author : Ralph E. Deitrick
Publisher : Unknown
Page : 40 pages
File Size : 43,8 Mb
Release : 1955
Category : Ammunition
ISBN : UOM:39015095104413
Author : Jeff Siewert
Publisher : Page Publishing Inc
Page : 298 pages
File Size : 50,5 Mb
Release : 2022-04-25
Category : Sports & Recreation
ISBN : 9781662433337
Ammunition, Demystified is Hatcher’s Notebook for the twenty-first century. It’s a “soft” technical document intended for small caliber ammunition design and production engineers, as well as more advanced shooters and reloaders who want a more in-depth understanding of how guns and ammunition work and interact with one another. There is very little that is truly simple about small arms ammunition due to the enormous stresses to which the bullet and cartridge case structures are subjected during the firing process and the nonlinear material properties of these ammunition components. Ammunition Demystified untangles these interactions and will help put you on the path of increased understanding of a simple yet complex topic. This book encapsulates the technical knowledge acquired on bullets, cartridge cases, barrels, and ammunition testing over a career spanning four decades. It is a useful reference for shooters, reloaders, and “ammo guys” to assist them when they troubleshoot the mechanical and dispersion performance of their firearms and ammunition. Ammunition Demystified topics covered are • cartridge cases and case-chamber interaction • propellants and interior ballistics • projectile design, aerodynamics, and stability • trajectory, dispersion, accuracy • barrel: manufacture, fatigue life • ammunition: pressure and velocity testing, and load development www.bulletology.com
Author : C. P. Sabin
Publisher : Unknown
Page : 44 pages
File Size : 41,5 Mb
Release : 1957
Category : Ammunition
ISBN : UOM:39015095104561
Author : Eugene D. Boyer
Publisher : Unknown
Page : 24 pages
File Size : 53,8 Mb
Release : 1958
Category : Ammunition
ISBN : UOM:39015095104579
Author : W. E. Scott
Publisher : Unknown
Page : 38 pages
File Size : 45,5 Mb
Release : 1961
Category : Ammunition
ISBN : UOM:39015095104835
The aerodynamic properties of a 105 mm model of the 155 mm T-358 shell are discussed. Subsonically, at small yaw, the model has a serious case of dynamic instability as indicated by a rapid divergence of the precessional component of yaw. It is shown that this instability is due to Magnus effects, and that these effects cannot be circumvented by firing at a different spin. However, because of past experience with similar shell, it is conjectured that this dynamic instability is a small yaw phenomenon and that a limit cycle is present. As a consequence of this, the dispersion will not be markedly affected.
