Hitachi Zosen Completes 275,993-Dwt Tanker Sea Duke

Hitachi Zosen's Ariake Works in Japan recently completed the 275,993-dwt tanker Sea Duke, a very large crude carrier (VLCC) which was delivered to the owner, Resilience Shipping Company Limited.

The 1,070-foot-long by 185.7-foot-wide tanker is a sister ship of the M/T Sea Prince, which was completed and delivered this past May.

The vessel is powered by an HZ MAN B&W 6S80MC type main diesel engine with a maximum continuous output of 23,090 hp x 73 rpm, producing a speed of 14 knots. It is equipped with a Hitachi Zosen-developed Super Stream Duct nozzle in front of the propeller, and a large bulbous bow below the bow waterline, a design feature that achieves highly improved propulsion efficiency. To cut fuel expenses, fuel consumption is greatly reduced by the use of a lowrpm, long-stroke, turbocharged diesel engine operated in a derated mode.

The cargo oil pipes are arranged to allow simultaneous storage of three types of crude oil, and are coated with high-grade paint to ensure corrosion protection. The tanker is equipped with a self-stripping system to shorten cargo loading time and reduce labor costs.

Remote-control level gages for the cargo oil tanks and the water ballast tanks enable tank levels to be monitored even from the cargo control room.

Maritime Reporter Magazine, page 42,  Dec 1990

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First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.