being forced on to the taper by the tightening of a nut (see the section on sea-water lubricated stern tubes and inspection). the key was intended as a safeguard either against poor fitting, or against reduced grip due to higher sea-water temperature and differential expansion of bronze hub and steel shaft...
being forced on to the taper by the tightening of a nut (see the section on sea-water lubricated stern tubes and inspection). the key was intended as a safeguard either against poor fitting, or against reduced grip due to higher sea-water temperature and differential expansion of bronze hub and steel shaft...