Zuhai Shipyard Completes Construction on Tugs

Tuesday, July 25, 2006
Zuhai Shipyard recently finished construction of two tugs. The two latest vessels are 30 x 9-m with a 4.1-molded depth with a 615-ton displacement. The SOLAS-equipped ABS-classed vessels have 550-m/m frame spacing. A plum and fendered bow stem extends to the water line of the raked forward hull section. Accommodation is provided for 12 crewmembers. Tankage is provided for 280 cu. m. of fuel and 50 cu. m. of water. A pair of 80 kW gen sets provides electrical power. Propulsion power is provided by a pair of Cummins KTA38 M2 mains each delivering 1200 hp at 1800 RPM. The engines turn 2000-m/m propellers in nozzles through Reintjes gears with 5.95:1 ratios. This power gives a design free running speed of ten knots and a 30-ton bollard pull. Rexroth supplied the electric over hydraulic steering. On deck, a pair of large line storage reels flanks a 30-ton towing hook. The towing hook is fitted with an emergency release that can be activated from the aft controls in the wheelhouse.
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