MHI Wins Awards, Order For VLCC Installed With CRP Propulsion System

Mitsubishi Heavy Industries (MHI) of Tokyo, Japan, has received a silver medal, the Stanly Gray Award and the BMEC Donald Maxwell Award in Marine Technology from the United Kingdom's Institute of Marine Engineers (I Mar E) for a paper entitled "The Development of a Contra-Rotating Propeller (CRP) System for Large Ships." It is an energy-saving propulsion system which is attracting some attention.

Up until now, the idea has never been realized as a commercial application, but MHI has installed the CRP system on the Toyofuji 5, a car carrier, and has achieved energy savings of more than 13 percent.

The above mentioned paper includes the technical improvements made to the system based on the experience and results gained from the Toyofuji 5. The Institute of Marine Engineers highly evaluated the points that were confirmed by the Toyofuji 5's performance.

MHI has also received an order from Shinwa Kaiun Kaisha, Ltd. for a Very Large Crude Oil Carrier (VLCC) installed with the CRP system.

The carrier will be the first of its kind with the CRP system. With the installation of the CRP system, energy savings of about 15 percent over conventional systems are expected.

The VLCC will be used to transport crude oil for Cosmo Oil Co., Ltd. from the Middle East to Japan. The carrier is 258,000 dwt, and it will be completed in 1993.

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