Transactions of the Royal Institution of Naval Architects, Volume 17Royal Institution of Naval Architects., 1876 - Naval architecture List of members in each volume. |
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Page 97
... pontoon , 20 feet diameter amidships , tapering towards both ends , 500 feet long , and drawing 10 feet amidships , and ... pontoons should be not less than 26 feet diameter amidships , and for crossing the Atlantic , 60 feet . For many ...
... pontoon , 20 feet diameter amidships , tapering towards both ends , 500 feet long , and drawing 10 feet amidships , and ... pontoons should be not less than 26 feet diameter amidships , and for crossing the Atlantic , 60 feet . For many ...
Page 157
... pontoons project outwards from the side of the dock in the same way as the fingers of the hand , so that the whole structure in plan resembles a comb . The pontoons , when the dock is lowered to receive a vessel , are submerged ; but ...
... pontoons project outwards from the side of the dock in the same way as the fingers of the hand , so that the whole structure in plan resembles a comb . The pontoons , when the dock is lowered to receive a vessel , are submerged ; but ...
Page 158
Royal Institution of Naval Architects. Each of the fingers or pontoons is usually divided into about six separate com- partments by means of five transverse vertical bulkheads . The side of the dock to which the pontoons are attached is ...
Royal Institution of Naval Architects. Each of the fingers or pontoons is usually divided into about six separate com- partments by means of five transverse vertical bulkheads . The side of the dock to which the pontoons are attached is ...
Page 159
... pontoons are , so that if the width of the pontoons is 10 feet , the clear space between the piles is 12 feet , leaving 2 feet for clearance . The height of the vessel above the water is greater than the height of the staging , so that ...
... pontoons are , so that if the width of the pontoons is 10 feet , the clear space between the piles is 12 feet , leaving 2 feet for clearance . The height of the vessel above the water is greater than the height of the staging , so that ...
Page 160
... pontoon entirely decked , and of the same length as the dock itself and of about two - thirds its width . It is connected with the dock by booms in the manner before described , acting like a parallel ruler , so that its horizontality ...
... pontoon entirely decked , and of the same length as the dock itself and of about two - thirds its width . It is connected with the dock by booms in the manner before described , acting like a parallel ruler , so that its horizontality ...
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Common terms and phrases
Admiral Admiralty advantage angle armour arrangement Baldwin Wake Walker Barnaby beam bilge blades boat boiler bottom bulkheads carried circular ship circulation coal consideration construction Council crank curve davits deck depth diagram diameter difficulty displacement Ditto draught experiments feet fitted friction Froude Gentlemen give Griffiths guns Hirsch hull increased indicated horse-power indicator diagrams Institution of Naval iron iron-clads keel Kingston valve knots length LIGGINS low-pressure cylinder lower marine engineers measure Merkara Naval Architects Navy nominal horse-power ordinary Paper pipes plates pontoons pounds practical pressure propeller Propontis pumps question resistance revolutions per minute Royal Navy rudder rule SCOTT RUSSELL screw screw-propeller shaft ship's Siemens speed square inch steam ship steamer steel stern stern-post strain surface surface condenser thrust tonnage tons torpedo trials tubes unarmoured valve vessel water-tight water-tube boiler weight yacht
Popular passages
Page xix - It shall be the duty of the Secretary, under the direction of the Council, to conduct the correspondence of the Institution ; to attend all meetings of the Institution, and of the Council, and of Committees ; to take minutes of the proceedings of such meetings ; to read the minutes of the preceding...
Page 139 - The uncertainties and treacheries of Bessemer steel, in the form of ship and " boiler plates, are such that it requires all the care which it has bestowed upon it at " L'Orient to avoid failure. The question we have to put to the steel makers is, What " are our prospects of obtaining a material which we can use without such delicate " manipulation, and so much fear and trembling ? We...
Page 65 - ... outside, and thus the boats are made, without either stem or stern, quite round like a shield. They are then entirely filled with straw, and their cargo is put on board, after which they are suffered to float down the stream. Their chief freight is wine, stored in casks made of the wood of the palm tree.
Page xviii - March, shall be made, under the direction of the Council, and, after having been verified and signed by the Auditors, shall be laid before the Annual General Meeting.
Page 173 - ... duty. It is probable that 2, 3, and 4 of the above list are all very nearly proportional to the useful thrust; 6 is probably nearly proportional to the square of the number of revolutions, and thus at least at the lower speeds approximately to the useful thrust; 5 probably remains constant at all speeds, and for convenience it may be regarded as constant though perhaps in strict truth it should be termed "initial friction.
Page 139 - We want a perfectly coherent and " definitely carburized bloom, or ingot, of which the rolls have only to alter the form "in order to make plates with qualities as regular and precise as those of copper and " gun metal, and we look to the manufacturers for it.
Page xix - It shall be the duty of the Council to adopt every possible means of advancing the Institution, to provide for properly conducting its business in all cases of emergency, such as the death or resignation of officers, and to arrange for the publication of the papers read at the Meetings, or of such documents as may be calculated to advance the objects of the Institution.
Page 172 - ... representing them under their more elementary form of force simply. With this view, ever since I have entered into such investigations, I have invariably converted the horse-power term to a force term by simply dividing it by a speed factor, and, as shaping the reduction into its most natural and opposite form, I have adopted as the divisor, the speed of the propeller, expressed, not by its revolutions nakedly, but by its revolutions x its pitch, that is to say, the virtual travel of the force...
Page xviii - Institution, and to regulate and keep order in the proceedings. But in case of the absence of the President and of all the VicePresidents, the Meeting may elect any member of Council, or, in case of their absence, any Corporate Member present, to take the chair at the Meeting.
Page 349 - Architects, a Member of the Institution of Civil Engineers, a Member of the Institution! of Mechanical Engineers, a Member of the Iron and Steel Institute, and a Member of Council of the Institution of Engineer» and Shipbuilders in Scotland.