First Groot-Cross Bow Vessel to be launched in China

By Keith Henderson at September 22, 2011 07:16
Filed Under: Company News

Monday September 26 is the date planned for the launch of the first of a Super Green 8000 class of four 8000 dwt multipurpose dry cargo vessels with the innovative Groot Cross-Bow® developed by the Dutch design and engineering company Groot Ship Design. All four vessels as bing built by Jiangsu Yangzijiang Shipbuilding Ltd, China for Caribrooke Shipping, UK, which currently own or operate approximately 60 modern dry cargo vessels, ranging from 3,000 dwt upto 20,000 dwt.

Caption: Drawing of the Super Green 8000 Class 8000 dwt multipurpose dry cargo vessel
with the innovative Groot Cross-Bow®
Image credit: Groot Ship Design

The 6,143 GT vessel has a LOA of 360 ft (110 m) beam 57 ft (17.4 m) and draft of 26 ft (8 m). Propulsion is by a single engine with an output of  3,200 hp (2,400 kW) powering a controllable pitch propeller of 14 ft (4,29 m) diameter in a nozzle. Service speed is 12.3 kt. Auxiliary electrical power is provided by two diesel gensets each of 420 kW, and emergency 264 kW genset and there is a single shaft generator of 525 kW.

Tests in the ship model ice testing tank of Hamburgische Schiffbau Versuchanstalt (HSVA) in Hamburg proved the Groot Cross-Bow® as being suitable for sailing in ice under Swedish Ice Class 1A classification.

Together with an optimized hull shape, the bow shape claims to offer energy savings resulting in benefits by reducing installed propulsion power. Tank testing indicates possible fuel reduction of between 25 and 37 per cent may be achievable and improved seakeeping performance, in particular reduced pitching and less slamming, will permit higher speeds in heavy weather.

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