Weather Watcher allows the user to automatically retrieve the weather data at a pre-set interval, display the current condition image and temperature in a tray icon, designate which weather info is displayed in the system tray tooltip; it can also convert all weather data, log it in any format, export the data in any format and much more. The look of the program interface is very easy to customize.
The main dimensions decide many of the ship's characteristics, e.g. stability, hold capacity, power requirements, and even economic efficiency. Therefore determining the main dimensions and ratios forms a particularly important phase in the overall design. The length, width, draught, depth, freeboard, and block coefficient should be determined first. The dimensions of a ship should be co-ordinated such that the ship satisfies the design conditions. However, the ship should not be larger than necessary. The characteristics desired by the shipping company can usually be achieved with various combinations of dimensions. This choice allows an economic optimum to be obtained whilst meeting company requirements...
The aim of the book is essentially the same as that of the prior editions; namely, a textbook "to assist students and others entering the field of shipbuilding towards a knowledge of how merchant ships are designed and constructed and to provide them with a good background for further study." Nevertheless, a number of considerations led the Committee to modify extensively the scope and organization of the book. At the outset, the Committee recognized that within a few years the Society's book Principles of Naval Architecture would also be revised and that it contained material which more properly pertained to design and construction rather than theoretical naval architecture. Therefore it recommended, and the Publications Committee as well as the Executive Committee approved, the inclusion in Ship Design and Construction of new chapters on Load Lines, Tonnage, and Launching which would then be deleted from future editions of Principles of Naval Architecture. As a partial trade-off toward page reduction, the Committee eliminated the 1969 edition chapter on Submersibles because of its relatively narrow field of interest and the lack of major new developments for commercial operations.
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