War-ships: A Text-book on the Construction, Protection, Stability, Turning, Etc., of War VesselsNew York and Bombay, Longmans, Green, and Company, 1904 - 300 páginas |
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Página 2
... centre of the section contribute most to the strength of the beam . The following will illustrate the same principle . Suppose it is desired to make an iron beam 12 ft . long , having a sectional area of 16 square inches . How should ...
... centre of the section contribute most to the strength of the beam . The following will illustrate the same principle . Suppose it is desired to make an iron beam 12 ft . long , having a sectional area of 16 square inches . How should ...
Página 3
... centre , without exceeding a stress of 10 tons per square inch on the material ? If the beam is , as ( a ) Fig . 2 , 8 in . wide 2 in . deep , it will stand a weight of about 15 tons ; with a section , as ( b ) , 4 in . wide 4 in . deep ...
... centre , without exceeding a stress of 10 tons per square inch on the material ? If the beam is , as ( a ) Fig . 2 , 8 in . wide 2 in . deep , it will stand a weight of about 15 tons ; with a section , as ( b ) , 4 in . wide 4 in . deep ...
Página 19
... centre to centre along edges , butts , etc. , is termed the pitch . This pitch varies according as it is necessary to have the joint watertight or not . For the former case the joint has to be caulked , and in order to do this it is ...
... centre to centre along edges , butts , etc. , is termed the pitch . This pitch varies according as it is necessary to have the joint watertight or not . For the former case the joint has to be caulked , and in order to do this it is ...
Página 82
... centre of pressure on the rudder is brought nearer the axis . For cruisers rudders are now always " balanced , " i.e. a portion of the area is before the axis . If we deal with a rectangular plate towed through the water at an angle of ...
... centre of pressure on the rudder is brought nearer the axis . For cruisers rudders are now always " balanced , " i.e. a portion of the area is before the axis . If we deal with a rectangular plate towed through the water at an angle of ...
Página 84
... centre of pressure then is nearer the after edge , and the twisting moment about the axis is of considerable amount . This twisting moment , combined with the SUPPORT OF PINTLE FIG . 80 . FIG . 81 . bending moment , will determine the ...
... centre of pressure then is nearer the after edge , and the twisting moment about the axis is of considerable amount . This twisting moment , combined with the SUPPORT OF PINTLE FIG . 80 . FIG . 81 . bending moment , will determine the ...
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abaft armour barbettes battle-ship beam bilge keels boiler-room boilers bolts bulkhead centre of buoyancy change of trim CHAPTER class cruiser coal coal-bunker cofferdam compartments condition Crown 8vo cubic ft curve of stability destroyers Diagrams diameter displacement double bottom Downton pumps draught Duke of Edinburgh Duncan class engine-room engines equilibrium fitted flat floating fore-and-aft forward framing freeboard guns heel horse-power Illustrations inclined increase inner bottom knots length load longitudinal lower bunkers main deck metacentric height middle deck moment of inertia necessary obtained present ship protective deck published by Longmans resistance rivets rolling Royal Navy Royal Sovereign rudder Scientific Works published screw sheathed ship's shown in Fig side sinkage space square ft steam steel steering gear stern sternpost stiffening structure surface thick tonnage tons per inch transverse metacentre trials upper bunkers upper deck upright valve ventilation vertical vessel war-ships waterline waterplane wave weight
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