| 摘要 |
An inspection method and apparatus for inspecting the tailshaft (11) of a vessel in situ. Access to the tailshaft (11) is provided by means of access ports (40, 41) in a shaft boss (13) and access ports (40, 41) in a stern tube (12), which access ports can be closed by sealing plugs, and an optical viewing probe is inserted through the access ports (40, 33: 41, 34) to view the tailshaft (11). |
