Boss cap tops performance

摘要

As noted last month (The Naval Architect, May 2009, pl2), Mitsui O.S.K. Techno-Trade, Ltd recently applied for an extension of the patent covering the Propeller Boss Cap Fins (PBCF) system jointly developed by MOTech, Akishima Laboratries(Mitsui Zosen)Inc, and Mitsui O.S.K. Lines, Ltd.rnThe new patent covers innovations that developers say make the PBCF more effective in saving fuel and protecting the environment.