JIN GANG LUN 28
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New RAstar ASD Tugs Delivered to Tianjin Port
The last two tugs of a five-tug fleet upgrade program have just been delivered to Tianjin Port of China from CCCC Bomesc Marine Industry Co. Ltd. in Tianjin city. The five tugs were designed by Vancouver-based naval architecture firm Robert Allan Ltd (RAL), however they cover two distinct designs, says RAL. The Jin Gang Lun 28 and Jin Gang Lun 29 were RAstar 3500 class tugs, however their predecessors, the Jin Gang Lun 26 and Jin Gang Lun 27 were both RAmparts 3500 series tugs featuring a different hull form. RAL says that as a result of an internal research and development program utilizing computational fluid dynamics simulations the roll angle and roll acceleration of the RAstar tugs were calculated to be about 22% and 12% lower, respectively, as compared to the RAmparts series.
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