Download e-book for kindle: American Coastal Defences 1885-1950 by Terrance McGovern, Bolling Smith, Peter Bull

By Terrance McGovern, Bolling Smith, Peter Bull

ISBN-10: 1841769223

ISBN-13: 9781841769226

American Coastal Defences 1885-1950 КНИГИ ;ВОЕННАЯ ИСТОРИЯ American Coastal Defences 1885-1950 (Fortress forty four) ByTerrance McGovernPublisher:Os Publishing2006 64PagesISBN: 1841769223PDF19 MBA new around of fortification construction started within the usa and its abroad territories within the late-19th century, which benefited from the newest know-how and the rise in America's world wide monetary stature. This publication presents a concise creation to the layout, improvement and goal of yank coastal defenses within the 'modern interval' (1885-1950), a interval outlined via concrete, metal, and robust breech-loading rifles. full of interval and modern day photographs of the fortifications, and written through a number one professional, it covers the emplacements, weaponry, apparatus, and folks that defended their kingdom in instances of serious swap and uncertainty.sharingmatrixletitbit zero

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Extra resources for American Coastal Defences 1885-1950

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Called "Zalinski dynamite guns" for the artillery officer who developed, or at least marketed them, they mostly resembled large sewer pipes. The concept was simple - compressed air could launch high explosives without risk of explosion, at a time when guns could only fire projectiles with black powder charges. In practice, the range of the pneumatic guns was limited, while they required a steam plant, compressors, and piping. When the Ordnance Department soon solved the problem of firing high explosives from normal guns, the dynamite gun was qUickly abandoned.

The first change was enlarging the magazines, a need recognized almost immediately. At this time, the batteries were two-story, and artillerymen hoisted projectiles up to the guns by block and tackle, using simple davits. When these proved unable to supply ammunition as rapidly as the guns could fire, several types of ammunition hoists were tried, culminating in the TaylorRaymond chain hoist, which was retrofitted into most of the earlier large-caliber batteries. It was a complex device, driven by a large electric motor, but it supplied ammunition as fast as the guns could fire.

In general, they maintained the same appearance - as many as four wide emplacements, but usually two, separated by concrete traverse magaZines that both stored ammunition and protected against enfilade fire. The primary changes were in the details. The first change was enlarging the magazines, a need recognized almost immediately. At this time, the batteries were two-story, and artillerymen hoisted projectiles up to the guns by block and tackle, using simple davits. When these proved unable to supply ammunition as rapidly as the guns could fire, several types of ammunition hoists were tried, culminating in the TaylorRaymond chain hoist, which was retrofitted into most of the earlier large-caliber batteries.

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American Coastal Defences 1885-1950 by Terrance McGovern, Bolling Smith, Peter Bull


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