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This workbook is dedicated to Abraham Taplin whose expertise and technical contributions to this project have helped to make it a relevant and practical document. Abe not only developed the well written and organized module on rudder design, but helped with the rest of the document by rewriting other portions and offering many constructive suggestions and comments that improved overall quality and value. Abe was a dedicated member of Panel H-10 both before and after his retirement. His insightful and articulate contributions to the Panel coupled with his kind demeanor made Abe a highly respected contributor to the Panel and to the profession of naval architecture in general. His presence is sorely missed.  

 
The following listed nomenclature and explanations thereof represents standard terminology associated with the subjects of controllability and maneuverability. Much of it will be particularly helpful in connection with Module 6.
 
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The shipbuilding industry of the United States and Canada in a cooperative effort towards the common goal of lowering ship production costs and improving its competitive position in the world market, recently formed the Ship Production Committee within the Technical and Research Program of The Society of Naval Architects and Marine Engineers. Through this committee and its working panels and task groups, production personnel from most major United States and Canadian shipyards are meeting to discuss technical problems and implement research towards their solution. Specific groups under the Committee's direction are addressing materials handling, production techniques, manpower, cost reporting, shipyard organization, standards and specifications, welding, and computer aids.

This bulletin represents the conclusions of one of these groups, Panel SP-4 (Cost Reporting). It summarizes their investigations into cost reporting systems currently in use and presents its recommendation of a direct labor cost reporting system in which a well-defined work package is utilized for reporting and control. The compatibility of this system with that outlined in the Department of Defense (DOD) Instruction 7000.2 is also discussed.
 
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Under the direction of the Bureau of Ships' Department of the Navy, a critical survey has been made of the information relating to the buckling strength of metal structural members under compressive loading. The purpose of the survey was two-fold:

(a) To provide naval architects with a compilation of the theoretical information which is now available in this field

(b) To summarize the results of this work in handbook form as a prospective design manual for drafting room use.

 

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This Bulletin is a  bibliography of 226 papers on the longitudinal strength of ships and related structural information published in 1958. This Bulletin is a historical reference.

 

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The object of this book is to show, by experimental results and theoretical studies, how and to what a degree we are able to analyze the conditions governing the strength of the hull of a ship. For this purpose, theoretical knowledge is most important, but theories will be discussed only as far as is absolutely necessary to provide a basis for practical deductions. In any research, the most important principle is to determine to what extent computation is possible and what degree of accuracy can be achieved. From this one can determine the measure of usefulness of the theoretical analysis. Repetition of what is common knowledge has been avoided as much as possible. Computation methods in general use are assumed to be known and are used as starting points for further amplification.
 
 
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Over the past few years the Hull Structure Committee of the Society of Naval Architects and Marine Engineers has been considering various aspects of hull structural design as well as typical design methods associated with certain selected structural elements. This is one of a collection of monographs representative of that work and is presented here in informal form to enable practicing structural naval architects to make use of it as they see fit. It is expected that as they live with it, desirable modifications will become evident and so ultimately a more definitive later edition or an entirely new work may result.

 

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Over the past few years the Hull Structure Committee of the Society of Naval Architects and Marine Engineers has been considering various aspects of hull structural design as well as typical design methods associated with certain selected structural elements. This is one of a collection of monographs representative of that work and is presented here in informal form to enable practicing structural naval architects to make use of it as they see fit. It is expected that as they live with it, desirable modifications will become evident and so ultimately a more definitive later edition or an entirely new work may result.

 

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The method outlined in this design procedure is suggested for the selection of scantlings for shell longitudinal and bottom plating based on a fundamental design approach. The structural details shown are typical. Detail development and selection of scantlings are subject to the preference of the designer. This method has been used for a number of years in the development of approved designs of shell longitudinals and bottom plating for liquid carriers.

 
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Task Group HS-6-3 (Structural Plastics) was activated on 21 March 1962 as a sub-group of Panel HS -6 of the Hull Structures Committee. A major purpose selected by the Task Group was the preparation of a guide for the selection of fiberglass reinforced plastics for marine structures. The efforts of the group to meet this objective are embodied in this publication. It is the intention of this Task Group to revise and supplement this bulletin as dictated by developing technology.
 
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An investigation of welded aluminum alloy joints sponsored by the Society's Aluminum Task Group included the testing of some 611 welded specimens prepared by four representative shipyards. Strength criteria were developed for aluminum weldments made under shipyard conditions. Variables such as alloy and temper, plate thickness and joint design, automatic versus manual welding and vertical versus downhand welding were investigated. Statistical minimum joint strengths were developed using computer techniques.
 
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