Boats

Serodino Completes ‘Super Tiger’ Towboat

Serodino recently placed a Super Tiger Class 1,500 hp. workboat into its Tennessee River service. The mv. Viking is the fourth of the Super Tiger series, which follows 60 Tiger class vessels beginning in 1963.

The 56- by 24- by 8-foot hull is constructed of 1/2-inch plate throughout. The inside motor mounts are continued fore and aft as solid sheets to divide the hull into three collision compartments, three fuel tanks (8,000 gallons), engineroom, three water tanks and six stern compartments. A 110-gallon lube oil tank and a 110-gallon transmission oil tank are built into the hull.

Power is furnished by a pair of Cummins QSK-19-M engines, developing a total of 1,500 continuous hp. at 1,800 rpm., with Twin Disc MG-5222 reverse and 4.03 to 1 reduction gears turning 4-1/2-inch sleeved shafts and 52- by 42-inch four-blade wheels. Two 40 kw. John Deere MDDCA light plants furnish auxiliary electric power. The Skipper steering system consists of follow-up lever controls, backed up by jog steering, independently activating four flanking and two main rudders. Carlisle & Finch furnished incandescent and Xenon searchlights, Wintech furnished two 40-ton deck electric winches and Fernstrum supplied coolers for main engines and generators. Schuyler rubber towknees and perimeter fenders protect the hull.

The superstructure is constructed of 3/16-inch plate with 2-1/2- by 2- by 1/4-inch framing. Wynne Enterprises windows are aluminum with safety glass panes. The first deck is 17 by 29 feet long and contains a 12- by 17-foot galley and a modest head with shower; the second deck is a 10- by 10-foot deck locker. The 9-1/2-foot-square pilothouse has full instrumentation, alarms, and vessel control. There is a 3-foot space below the pilothouse to make an eye level of 28 feet.

Work is continuing on the next Super Tiger vessel with completion expected in May of this year.

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