Time Ships
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The Time Ships
Author: Stephen Baxter
language: en
Publisher: HarperCollins Publishers
Release Date: 2001-12-01
The Time Traveller has abandoned his charming and helpless Eloi friend Weena to the cannibal appetites of the Morlocks, the devolved race of future humans from whom he was forced to flee. He promptly embarks on a second journey to the year AD 802,701, pledged to rescue Weena. He never arrives! The future was changed by his presence - and will be changed again. Hurled towards infinity, the Traveller must resolve the paradoxes building around him in a dazzling temporal journey of discovery. He must achieve the impossible if Weena is to be saved.
How To Make Old-Time Ship Models
This vintage book contains a comprehensive guide to building old-fashioned model ships and boats. Written in clear, simple language and full of helpful illustrations and detailed diagrams, this book is ideal for the novice model builder, and will be of considerable utility to those with a practical interest in building model ships. The chapters of this book include: “Some Famous Old Ships”, “Building Old-Time Ship Models”, “Making a Waterline Model of a Carrack”, “Making Scenic Models”, “Hulls and their Construction”, “Modelling the Royal Albert”, “Building the Stern Gallery”, “Making the Masts and Spars”, etcetera. Many antiquarian books such as this are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition - complete with a specially commissioned new introduction on model building.
Ship Construction and Welding
This book addresses various aspects of ship construction, from ship types and construction materials, to welding technologies and accuracy control. The contents of the book are logically organized and divided into twenty-one chapters. The book covers structural arrangement with longitudinal and transverse framing systems based on the service load, and explains basic structural elements like hatch side girders, hatch end beams, stringers, etc. along with structural subassemblies like floors, bulkheads, inner bottom, decks and shells. It presents in detail double bottom construction, wing tanks & duct keels, fore & aft end structures, etc., together with necessary illustrations. The midship sections of various ship types are introduced, together with structural continuity and alignment in ship structures. With regard to construction materials, the book discusses steel, aluminum alloys and fiber reinforced composites. Various methods of steel material preparation are discussed, and plate cutting and forming of plates and sections are explained. The concept of line heating for plate bending is introduced.Welding power source characteristics, metal transfer mechanisms, welding parameters and their effects on the fusion zone, weld deposit, and weld bead profile are discussed in detail. Various fusion welding methods, MMAW, GMAW, SAW, Electroslag welding and Electrogas welding and single side welding are explained in detail. Friction stir welding as one of the key methods of solid state welding as applied to aluminum alloys is also addressed. The mechanisms of residual stress formation and distortion are explained in connection with stiffened panel fabrication, with an emphasis on weld induced buckling of thin panels. Further, the basic principles of distortion prevention, in-process distortion control and mitigation techniques like heat sinking, thermo-mechanical tensioning etc. are dealt with in detail. In its final section, the book describes in detail various types of weld defects that are likely to occur, together with their causes and remedial measures. The nondestructive testing methods that are most relevant to ship construction are explained. Lastly, a chapter on accuracy control based on statistical principles is included, addressing the need for a suitable mechanism to gauge the ranges of variations so that one can quantitatively target the end product accuracy.