World's most efficient container vessels contracted in China

By Keith Henderson at June 30, 2011 07:16
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Canadian shipping company Seaspan announced earlier this month, the signing of a contract for seven 10.000 TEU container ships, with an option for another 18 vessels, to be built by the Yangzijiang Shipbuilding Group. Yangzijiang is one of the largest privately owned shipbuilders in China with four separate shipyards. This is the largest container vessel contract ever entered into in China.

Caption: The hull lines of the new Seaspan 10,000 TEU container ships are optimized for a speed range of
18 to 22 kn offering a claimed fuel consumption reduction of between 16 to 27 per cent compared to
existing container ships of a similar size.
Image credit: DNV.

New features were developed by an international collaboration with Seaspan, the classification society DNV Norway, Marine Design & Research Institute of China (MARIC), Shanghai, and the shipyard group. The new ship design, built to DNV class, incorporates major improvements in efficiency, capacity, operational efficiency and emission reductions. Compared to existing designs of 10,000 TEU capacity boxships, cargo capacity is increased by 10 per cent with an estimated fuel consumption reduction of 20 per cent. The ships are able to operate with a minimum amount of ballast water. Emissions are reduced by approximately 20 per cent to meet present and future emissions regulations.

The hull lines are optimized for a speed range of 18 to 22 kn offering a claimed fuel consumption reduction of between 16 to 27 per cent compared to existing container ships of a similar size. Powered by a single engine from MAN Diesel & Turbo’s latest engine program, the ten cylinder MAN B&W 10S90ME-C9 engine is rated up to 58,100 kW at 84 rpm and delivers a maximum speed of 25 kn.

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