Capt. Harry Delivered To Wilmington Tug

On December 19, 2001, Washburn & Doughty Associates, Inc., of East Boothbay, Maine delivered Capt. Harry, a 4,200 hp Z Drive tug to Wilmington Tug of Wilmington, Del. Designed by Robert Allan Ltd., this ASD 25/55 Class Tug measure 80 x 32 ft. (24.3 x 9.7 m), and will be used primarily for ship docking; however, an extended keel will allow for operation as an escort tug in the indirect mode. Wilmington Tug operates five tugs, and in 1977 became the first operator in North America to operate a Z Drive Tug.

Wilmington Tug's newest vessel is the ninth Z Drive Tug built by Washburn & Doughty since the Fort Bragg was constructed for Cape Fear Towing in 1998.

Two Detroit Diesel model 12V4000 main engines rated at 2,100 hp at 1,800 rpm power the vessel. The engines drive modular Ulstein Aquamaster 1350 HZ Drives that are removable through soft patches in the aft deck. The main engines are keel cooled with Fernstrum grid-coolers. The vessel has a 20,000- gallon fuel oil capacity, a 250-gallon lube oil capacity and 1,200 gallon fresh water capacity. The main hydraulicallypowered hawser winch forward, supplied by Timberland, carries 400 ft. (122 m) of synthetic towline.

Fendering on the vessels will be a combination of Viking soft loop style fenders, and aircraft tires, the latter of which will be mounted on fabricated rims welded to the shell plating. These particular fenders eliminate chains and similar fittings that chafe and rust.

Circle 5 o n Reader Service C a rd w w w . m a r i t i m e r e p o r t e r i n f o . c om

Maritime Reporter Magazine, page 18, Feb 2002

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