Powerful Docking Tug Delivered By Gladding-Hearn Shipbuilding
Gladding-Hearn Shipbuilding of Somerset, Mass., recently launched the twin-screw shipdocking tug Sally for delivery to Wilmington Tug and Launch, Inc. of Wilmington, Del.
The tug is powered by two G.M. Detroit Diesel Allison 12V-149TI engines rated 900 shp at 2,400. She has an overall length of 70 feet, beam on deck of 30 feet and draft of 12 feet 6 inches.
Described as having "the power of a bulldozer and the maneuverability of a sports car," the Sally will handle vessels with deadweights anywhere from 50,000 to 125,000 tons.
Like her sister boat Tina, delivered in 1977, she does not employ a conventional rudder with fixed propellers. Rather, she has a pair of independent, high-thrust, fully rotatable propulsion/ steering units that can be operated individually or together in any direction to put maximum power exactly where it is needed.
The Sally's pilothouse, high above the deck, offers unobstructed views in all directions. The helm station features dual unilever-type controls and a functional console with all necessary instrumentation. The tug is fitted with 12-inch bow and 16-inch aft towing bitts, two 40-ton hand-operated barge winches, and a hydraulic vertical capstan which is incorporated into the aft towing bitt. She is capable of a bollard pull of some 80,000 pounds. Schuyler 6-inch and 11- inch fendering borders the deck edge, and 9- inch-thick fendering provides gripping action during ship-handling operations.
For ease of service and maintenance, the Ulstein angle drive units, including propellers and Kort nozzles, can be lifted through deck hatches without drydocking the vessel.
Crew's quarters, directly below the pilot- house, include a two-man stateroom on the starboard side, a fully equipped gallery with a spacious dining area portside, and a toilet and shower compartment.
For more information and free literature on the facilities and capabilities of Gladding-Hearn Shipbuilding, Circle 48 on Reader Service Card
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