Lake ship yard methods of steel ship construction (1907)
Curr, Robert · Cleveland : The Marine review · leaf 154
e-third only and the chip-ping one-half of the cost of hand work. TANK TESTING The center keelson and divisions at the ends of the tanks are made STEEL SHIP CONSTRUCTION 143 water-tight and come under a pressure of about eight pounds persquare foot. The air pipes are used for the head and a hole is… … Fig. 157. over to the side of the vessel not under test. This pressure is helduntil the center keelson, divisions and tank top are carefully examinedafter which the tank is passed as O. K. In Scotland a pan is usually fastened to the top of pipe and wateris run in until it is filled to top, the…
Naval architecture · Ships, Iron and steel
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