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voor de liefhebbers van US Submarines in WO2 :)

US Submarines Through 1945
by Norman Friedman

If this is not the definitive book, it must come pretty close. As one of the most respected naval analyst, the author covers the birth and development of submersible ships and submarines with minute details from their inceptions to the II WW latest types.
The text is extraordinarily well researched, reflecting its scholar-like approach to the subject; nevertheless it is an easy and relaxing read, expecially if you take into account the deep level of accuracy and precise reconstruction of historical events. Specific aspects of submarine technology are carefully dissected: the naval yard organization, the US Navy Bureaus capacity and their (obviously) rivalry in design competence, the development of powerplants and hulls. A particular attention is dedicated to submarine perfomances evolution, how they were estimated conducting tradeoff studies and inspecting foreign submarines and equipment. In a well orchestrated narration, the book provides a detailed insight into technical and political machinations of subs building programs, explaining the different (to tell the truth I should say conflicting) opinions of political leadership, Staff strategic conceptions for the Arm, service Bureaus technical management and , last but not the least, the real requisites of Commanding Officers, the ultimate users ( and the one that took the risks in combat). A true gem in the volume is the data provided in appendices.They cover mainly submarine propulsion and periscope development: since they are vital technologies, shaping the sub operative capability and seagoing perfomance, full studies are presented giving a clear picture of design and manifacturing practices as demanded by the Navy. Weapons, fire control, sonars, tactics, instruments and systems innovations are also covered. For each of them, the author delivers a clarifying view of "how" scientist and builders achieved leaping technological solutions to enhance fighting capabilities. This authoritative content is supported by a fascinating collection of photographs, complemented by extensive use of cross sections, inboard profiles plus drawings and sketches of abortive designs. 

Eng | PDF | 58 Mb | Page 333

Thanks to vova3 & Escape Hatch :)