By Wolfgang Sawodny

Книга Schiffer army heritage: German Armored Trains on the earth conflict II. Vol.... Schiffer army historical past: German Armored Trains on the earth struggle II. Vol. II Книги Вооружение Автор: Wolfgang Sawodny Год издания: 1991 Формат: pdf Издат.:Schiffer Publishing Страниц: fifty six Размер: 14.87 ISBN: 0887402887 Язык: Английский0 (голосов: zero) Оценка:This is the second one quantity describing many of the German armored trains used in the course of WWII.

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Additional resources for German Armored Trains in World War II, Vol. II

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As fragment sizes become progressively larger or chunkier, a greater number of plies are involved in the penetration mechanism. However, penetration equations generalized for differ­ ent projectiles employ some form of shape factor. The shape factor is also involved in the drag coefficient used in calculating fragment velocity at various distances from the point of burst. Fragment mass also has a pronounced effect on air drag. Very small fragments lose appreciable velocity within short ranges. M.

The cube broke out of the carrier upon emerging from the muzzle of the gun and traveled downrange to the target. The cube may impact the target on its edge, corner, or side. These variations increase the scatter in the ballistic evaluation, because the mechanism of penetration of the cube changes from impact to impact depending upon how the cube strikes the target. The scatter is much more noticeable on soft, nonmetallic targets. 53nw) Cube lliii;;;-fIII!. 22 PLASTIC CARRIER NAVY PARALLELEPIPEDS 27 GRAINS 220 GRAINS ■mi as...

The 1966 survey of 6000 men in the United States Army furnished considerable anthropometric data on the length, width, height, and circumference of heads. The United States Army Ballistic Research Laboratories utilized these data to produce a mathematical model of the head with capabilities of providing up to a nine-size system [54,55]. Scientists at the United States Army Natick Research and Devel­ opment Command (NARADCOM) developed a new technique for defining and measuring head forms. Essentially it involved the design of a clear polycarbonate hemisphere on which were mounted twenty-seven movable mechanical probes.

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