Download or read book The Screw Propeller written by Robert Rawson and published by . This book was released on 1851 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Screw Propeller written by Robert Rawson and published by . This book was released on 2015-08-05 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Screw Propeller: An Investigation of Its Geometrical and Physical Properties, and Its Application to the Propulsion of Vessels The increasing national importance of the subject discussed in the following pages, the limited information to he obtained from English publications on the purely scientific part, and the more limited mathematical investigations which have been made in the theory, must apologize for my presuming to lay the following pages before the public. I cannot flatter myself that the following exposition of the subject of Screw Propulsion is complete, or that the arrangement is the best that might have been adopted; being the results of my consideration of the subject, in the order in which they presented themselves to my own mind, rather than according to a preconceived arrangement; but, although the investigations are not so complete as I could have desired to make them, still I trust that the Mathematician, Naval Architect, and Engineer will find in them much that is new, and at the same time capable of standing the test of accurate mathematical examination. The following are some of the more important conclusions arrived at: The discovery of the surface of vanishing pressure, detailed in the second chapter, is important, as it affords an explanation of some curious phenomena which have been observed in the practice of Screw Propulsion. The investigation of the moment of inertia of the screw blade, as given in problem (5), chapter ii., and its application to the determination of the accelerating forces acting on the blade of the Screw Propeller, are entirely new, as well as the results obtained, in the notes at the end of the second chapter, on a subject highly interesting both to the practical Naval Architect and the theoretical inquirer. The formulae for the area, pitch, radius of gyration, and moment of inertia of the screw propeller blade, and the table, computed at considerable labour, for their application in practice, will, it is hoped, be found useful to practical men. Among the results which have been brought out in the following investigation of the properties and action of the screw propeller, the singular and important relation which is expressed by equation (7), page 33, will be found very useful in determining the quality of the screw, and of the engine which is used to turn it; as it is not always the case that the largest and most powerful engine is the best adapted to the Screw Propeller. 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."
Download or read book The Screw Propeller written by Robert Rawson and published by Palala Press. This book was released on 2015-09-01 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book The Screw Propeller written by Robert Rawson and published by CreateSpace. This book was released on 2014-08-05 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: An excerpt from the PREFACE: THE increasing national importance of the subject discussed in the following pages, the limited information to be obtained from English publications on the purely scientific part, and the more limited mathematical investigations which have been made in the theory, must apologize for my presuming to lay the following pages before the public. I cannot flatter myself that the following exposition of the subject of Screw Propulsion is complete, or that the arrangement is the best that might have been adopted; being the results of my consideration of the subject, in the order in which they presented themselves to my own mind, rather than according to a preconceived arrangement; but, although the investigations are not so complete as I could have desired to make them, still I trust that the Mathematician, Naval Architect, and Engineer will find in them much that is new, and at the same time capable of standing the test of accurate mathematical examination. The following are some of the more important conclusions arrived at: The discovery of the surface of vanishing pressure, detailed in the second chapter, is important, as it affords an explanation of some curious phenomena which have been observed in the practice of Screw Propulsion. The investigation of the moment of inertia of the screw blade, as given in problem (5), chapter h., and its application to the determination of the accelerating forces acting on the blade of the Screw Propeller, are entirely new, as well as the results obtained, in the notes at the end of the second chapter, on a subject highly interesting both to the practical Naval Architect and the theoretical inquirer. The formulae for the area, pitch, radius of gyration, and moment of inertia of the screw propeller blade, and the table, computed at considerable labour, for their application in practice, will, it is hoped, be found useful to practical men. Among the results which have been brought out in the following investigation of the properties and action of the screw propeller, the singular and important relation which is expressed by equation (7), page 33, will be found very useful in determining the quality of the screw, and of the engine which is used to turn it; as it is not always the case that the largest and most powerful engine is the best adapted to the Screw Propeller. The engineer will readily see the importance of the fact, that a moment of force is absolutely necessary to produce a motion of rotation, and that this moment of force consists of two independent elements, the force, and the distance from the point of its application to the centre of rotation; therefore, the moment of an engine should be regarded, in the estimating of its quality for this purpose, and not the absolute force as measured by the indicator, or the pressure on the piston. An engine which may have a large force on the piston, and a small moment, is not advantageously adapted to give rotatory motion to the Screw Propeller. The peculiar form of the Screw Propeller blade gives rise to the resolution of the forces acting upon it into two directions; one the direction of the vessel's motion, and the other to turn the screw round its axis. These two resolutions give two equations, each of which contains the same indeterminate integral, which depends on the (at present) unknown law connecting the accelerating resistance of the water with the normal velocity of the screw blade; by means of these two equations the unknown integral can be eliminated, and the result is an important relation between the pressure of the water on the blade of the screw in the direction of its axis, and the moment of force which is exerted by the engine when the screw and the vessel have obtained a uniform motion...
Download or read book The Screw Propeller an Investigation of Its Geometrical and Physical Properties and Its Application to the Propulsion of Vessels written by Rawson Robert 1814-1906 and published by Hardpress Publishing. This book was released on 2013-01 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.
Download or read book The Screw Propeller an Investigation of Its Geometrical and Physical Properties and Its Application to the Propulsion of Vessels written by Robert Rawson and published by . This book was released on 1851 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Screw Propeller written by Robert Wilson and published by . This book was released on 1880 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Screw Propeller an Investigation of Its Geometrical Properties and Its Application to the Propulsion of Vessels written by R. Rawson and published by . This book was released on 1851 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Artizan A Monthly Journal of the Operative Arts written by and published by . This book was released on 1851 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalogue of the Library of Congress written by Library of Congress and published by . This book was released on 1861 with total page 1418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalogue of the Library of the Great Seal Patent Office written by Great Britain. Patent Office. Library and published by . This book was released on 1857 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rickey Mallory and Company s Catalogue Raisonn written by John Whitney (Jr.) and published by . This book was released on 1860 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rickey Mallory and Company s Catalogue Raisonn written by and published by . This book was released on 1860 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bridging the Seas written by Larrie D. Ferreiro and published by MIT Press. This book was released on 2020-01-21 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: How the introduction of steam, iron, and steel required new rules and new ways of thinking for the design and building of ships. In the 1800s, shipbuilding moved from sail and wood to steam, iron, and steel. The competitive pressure to achieve more predictable ocean transportation drove the industrialization of shipbuilding, as shipowners demanded ships that enabled tighter scheduling, improved performance, and safe delivery of cargoes. In Bridging the Seas, naval historian Larrie Ferreiro describes this transformation of shipbuilding, portraying the rise of a professionalized naval architecture as an integral part of the Industrial Age. Picking up where his earlier book, Ships and Science, left off, Ferreiro explains that the introduction of steam, iron, and steel required new rules and new ways of thinking for designing and building ships. The characteristics of performance had to be first measured, then theorized. Ship theory led to the development of quantifiable standards that would ensure the safety and quality required by industry and governments, and this in turn led to the professionalization of naval architecture as an engineering discipline. Ferreiro describes, among other things, the technologies that allowed greater predictability in ship performance; theoretical developments in naval architecture regarding motion, speed and power, propellers, maneuvering, and structural design; the integration of theory into ship design and construction; and the emergence of a laboratory infrastructure for research.
Download or read book Mechanics Magazine written by John I Knight and published by . This book was released on 1823 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mechanics magazine written by and published by . This book was released on 1851 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mechanics Magazine and Journal of Enigneering Agricultural Machinery Manufactures and Shipbuilding written by and published by . This book was released on 1851 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
