Download Engineering Design Handbook - Trajectories, Differential by ARMY MATERIEL COMMAND ALEXANDRIA VA PDF

By ARMY MATERIEL COMMAND ALEXANDRIA VA

This 1963 Pamphlet bargains with the topic of external ballistics, overlaying trajectories, differential results and knowledge for projectiles. The Pamphlet relates to the section of projectile existence beginning on the gun muzzle (or, for a rocket, at burnout) and finishing on the element of burst or impression. the topic is roofed in a way meant basically to help the ammunition fashion designer in spotting and working with the layout parameters of projectile weight, form, muzzle speed, yaw, drag and balance; and in designing for max ends up in diversity, time of flight and accuracy. it really is was hoping that it'll additionally turn out useful to different group of workers of the Ordnance Corps and of contractors to the Ordnance Corps. as a result of its complexity, it's attainable to hide the topic simply in brief during this quantity, yet an test has been made to include references on the way to allow the dressmaker or the scholar to discover in additional aspect any section of the topic.

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Des. Handbook) (1957). 3. Drag Coefficient B,. Aberdeen Proving Ground : BRL File N-1-50 (1942). 4. Drag Coefficient B,. Aberdeen Proving Ground : BRL File N-1-51 (1942). l. File N-1-86 (1945). F File N-1-105 (1946). 5. Harrington, M. E. Drag Coefficient B,. Aberdeen Proving Ground: BRL File N-1-69 (1943). Drag Coefficient B8,1. File N-1-89 (1945). 6. Odom, C. T. Drag Coefficient, K,, and Siacci Functions for a Rigid-fin Shell Based on the Shell, 90mm, HEAT, T108. Aberdeen Proving Ground: BRL MR-882 (Rev.

Aberdeen Proving Ground : BRL File N-1-20 (1944). 1. File N-1-93 (1945). Harrington, M. E. Table of G,. Aberdeen Proving Ground: BRL File N-1-68 (1943). ,. File N-1-96 (1945). 10. Martin, E. S. Bomb Ballistic Tables. Aberdeen Proving Ground: BRLM 662 (1953). 1/H-Table. Aberdeen Proving Ground : BRL File N-1-41 (1942). H-Table. File N-1-114 (1950). Altitude is in meters in N-1-41: yards in N-1-114). 12. Charbonnier and Galy-AchC. Mesure des vitesse de projectiles, Part 2, Book 111. MCm. de l’art.

An increase in weight of projectile decreases the muzzle velocity and increases the ballistic coefficient. The effect on muzzle velocity may be expressed APVO = nvo(Ap)/p, (75) where vo is the muzzle velocity p is the projectile weight, n the logarithmic differential coefficient. The value of n may be oBtained from interior ballistic tables. 65 for a recoilless rifle with multiperforated grains. Since the ballistic coefficient is proportional to the projectile weight by definition, Equation (22), the effect on C may be expressed (76) A,C = C (Ap) /p.

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