![]() Simpler phases of the intricate problems involved, Barrel Rifling and Design of Projectiles for Conventional Weapons Though their services in providing the armedįorces with the means of obtaining accurate fire were essential, the discussion here must be limited to some of the Particularly at the Ballistic Research Laboratory, was vitally useful. 2 Nevertheless, throughout the war the work of Ordnance ballisticians, Until the fall of 1944 was a supersonic tunnel ready for use at Aberdeen Proving Ground. The Wright Field wind tunnel, the Air Forces and Ordnance Department were in a better situation than formerly, but not While the US Army was still trying to obtain data for bombs and rockets at subsonic velocities. ![]() Using an intermittently operating supersonic wind tunnel in developing radio-controlled bombs, rockets, and flak shell, Germany was far ahead of the United States and Britain in this field of work. Observation of these phenomena and computation of exact data require elaborate measuring instruments and computers. Gravity, air drag, windįorces, the weight and distribution of the weight of the projectile, the velocity at which it is launched, and the angle The desired result depends upon a complex of factors. Propellant or the shape of the projectile. Gun or the twist of the barrel rifling, may have as much bearing upon accuracy of fire as does the character of the Various design features of the projecting weapon, such, for example, as the dimensioning of the chamber of a Study of the motion of projectiles through the air and their behavior during flightĬonstitutes a special, highly complicated branch of science, the problems of which are frequently baffling even toĮxperts. Hence, exteriorīallistics are as important as interior ballistics, fire control, or the terminal ballistic elements that determine theĮffect upon the target when reached. Smooth mortar or rocket-launcher tube, affect the projectile’s ability to reach its target. Neither smoothly functioning guns nor perfection of aim can make fire accurate if the projectile is unstable inįlight, since the flight characteristics of a projectile fired from any kind of weapon, whether from rifled gun bore or ![]() ![]() Chapter 12: The Search for Increased Fire Power: Ammunition Home Table of Contents Previous: Chapter 11 Next: Chapter 13 ![]()
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