| 摘要 |
1, 247, 210. Aligning ship's engine and shafting. MITSUI SHIPBUILDING & ENG. CO. Ltd. July 15, 1969 [July 18, 1968], No.35653/69. Heading G1M. The main shaft of a prime mover such as an engine 4 is centre bored and sighted through to line up and determine the final positions of the engine, propellor and other transmission shafting. Adjustable sight plates 15-19 on the engine and stern frame 5 are provided and a piano wire 6 is stretched therebetween to provide a datum line for light measurement from bearing seats 21, 22. |
