ClassNK Amends Rules for Seawater-lubricated Shafts
Nippon Kaiji Kyokai (ClassNK) has joined the major classification societies to amend its rules relating to the inspection of seawater-lubricated propeller shaft systems. The amendment means that ships with open seawater-lubricated propeller shafts that are built to ClassNK rules are subject to the same 15-year shaft withdrawal inspection periods as oil-lubricated shafts and stern tubes, subject to monitoring criteria.
The Science of Ship Propellers: From Basics to Future Innovations
This technical article delves into the world of maritime engineering, highlighting the central role of ship propellers in vessel propulsion. It explores the foundational principles of propellers, their various types, materials, and construction, and provides a glimpse into the future of ship propulsion technology.
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