Papers And Discussions On Screw Propulsion
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Papers And Discussions On Screw Propulsion
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Author : United States. Navy Department. Bureau of Navigation
language : en
Publisher:
Release Date : 1883
Papers And Discussions On Screw Propulsion written by United States. Navy Department. Bureau of Navigation and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with Marine engineering categories.
Papers And Discussions On Screw Propulsion
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Author :
language : en
Publisher:
Release Date : 1883
Papers And Discussions On Screw Propulsion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with Propellers categories.
Papers And Discussions On Screw Propulsion
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Author : Royal Institution of Naval Architects
language : en
Publisher: Palala Press
Release Date : 2016-05-21
Papers And Discussions On Screw Propulsion written by Royal Institution of Naval Architects and has been published by Palala Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-21 with categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Papers And Discussions On Screw Propulsion
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Author : Navy Dept
language : en
Publisher:
Release Date : 2015-06-29
Papers And Discussions On Screw Propulsion written by Navy Dept and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-29 with Technology & Engineering categories.
Excerpt from Papers and Discussions on Screw Propulsion: Reprinted From Transactions of the Institution of Naval Architects The main purpose of this paper is to place on record the facts respecting the steam trials of deep-draught twin-screw ships of the Royal Navy, and to compare their performances with those of similar ships propelled by single screws. From this comparison it may be possible to deduce some measure of the relative efficiency, as propellers, of single and twin screws; and the discussion will probably have a practical interest for ship builders and ship-owners generally. The opinion appears to be generally entertained that in deep-draught ships it is preferable to employ a single screw, because any assigned speed can be attained with a smaller engine-power than would be required with twin screws. This opinion is based rather upon a priori reasoning than on actual experience; very few trials having been made with twin screws in deep-draught merchant ships. Moreover, recent experience with ships of war points in the contrary direction; and, after a careful analysis of all the facts which I have been able to collect, my clear conviction is that in vessels of deep draught and large engine-power twin screws have hitherto proved to be more efficient propellers, than single screws. Before proceeding to give the principal data upon which this statement is based, I would remark that although trials on the measured mile may not compare, in scientific accuracy, with experiments like those conducted by Mr. Fronde, yet the broad deductions from a large number of such trials may be trusted. Recorded performances on the measured mile include in one result the net resistance of the ship, the augmentation of the resistance due to the action of the propellers, the efficiency of the engines, and that of the propellers; errors of observation, the influence of tides or currents, and many other circumstances, must also be guarded against It is unquestionable that a separation of these items in the performance, and an analysis of each is the process likely to yield the greatest benefits, and to secure a just appreciation of the real causes of good or bad performance. It is not easy, however, to arrange experiments which shall correctly indicate the value and tendency of each of these constituent parts, as well as eliminate disturbing influences; and for our present purpose it must suffice to have recourse to the results of carefully conducted measured-mile trials, like those to which I now invite attention. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Papers And Discussions On Screw Propulsion
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Author :
language : en
Publisher:
Release Date : 1883
Papers And Discussions On Screw Propulsion written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with categories.
A Practical Treatise On Modern Screw Propulsion
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Author : Nicholas Procter Burgh
language : en
Publisher:
Release Date : 1869
A Practical Treatise On Modern Screw Propulsion written by Nicholas Procter Burgh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1869 with Propellers categories.
The Screw Propeller
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Author : Albert E. Seaton
language : en
Publisher: BoD – Books on Demand
Release Date : 2013-02
The Screw Propeller written by Albert E. Seaton and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02 with categories.
Albert Edward Seaton describes and discusses different methods and instruments for marine propulsion. The focus is on the screw propeller. Seaton gives an account of its history, leading features, forms and the materials used for it. In addition, he presents several screw propeller trials and experiments of the late 19th and early 20th century.Reprint of the original edition from 1909.
Single And Twin Screw Propulsion Of Tankers And Bulk Carriers
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Author : Åke Williams
language : en
Publisher:
Release Date : 1975
Single And Twin Screw Propulsion Of Tankers And Bulk Carriers written by Åke Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Bulk carrier cargo ships categories.
The Screw Propeller An Investigation Of Its Geometrical And Physical Properties And Its Application To The Propulsion Of Vessels
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Author : Robert Rawson
language : en
Publisher:
Release Date : 1851
The Screw Propeller An Investigation Of Its Geometrical And Physical Properties And Its Application To The Propulsion Of Vessels written by Robert Rawson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1851 with categories.
Model Experiments On Twin Screw Propulsion
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Author : G. Hughes
language : en
Publisher:
Release Date : 1936
Model Experiments On Twin Screw Propulsion written by G. Hughes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1936 with Propellers categories.