Page 57: of Maritime Reporter Magazine (February 1994)

a-Land To Expand ntainer Fleet 3ea-Land Service Inc. said it will ild four high-performance, fuel- icient container vessels and is isidering modification of three ssels in its current fleet. Capital ocated for the total program is proximately $250 million over a ree-year period (1994-1996).

The four new vessels will replace jher cost capacity in the very com- titive trans-Pacific trade. Desig- ned as "Express Class," the 4,000- u vessels are being built to comply th the highest international stan- irds and will operate at a speed of t knots. Sea-Land will be signing mtracts with Ishikawajima- arima Heavy Industries (IHI) call- g for construction at the company's ipanese shipyards. The vessels ill be delivered in the second half " 1995 and early 1996.

Sea-Land is also close to conclud-

Lg agreements to modify three U.S.- ag, 3,800-teu Atlantic Class ves- ils. Sea-Land is evaluating bids by nalists for the shipyard work, rhich will be completed in late 1994.

AAN B&W Adds S90MC-T o Engine Line

The expansion of MAN B&W )iesel's engine program by a long- troke 35.5-inch (900 mm) bore nodel has widened the choice for twners, yards and ship designers in ihoosing propulsion plants for /LCCs.

VLCCs with speed requirements jf more than 15 knots can take advantage of the new S90MC-T, ei- ther as a full-powered six-cylinder model or an economy-rated seven- cylinder. It shares the design char- acteristics of the S80MC model, which has reportedly assumed a leading status in "new generation"

VLCC installations. The key design parameters reflect factors influenc- ing the selection of propulsion plant for a VLCC, notably the projected ship speed and the propeller diam- eter that can be accommodated, as well as compact physical dimensions, not exceeding those of the S80MC.

The layout flexibility allows the op- erator to select maximum continu- ous speeds between 75 rpm and 64 rpm for optimum propeller effi- ciency. An output of 4,650 kW per cylinder is delivered at the nominal speed of 75 rpm on a mean effective pressure of 18 bar.

Foss Christens Lindsey Foss,

World's Largest Tractor Tug

Foss Maritime Co. christened the

Lindsey Foss, reportedly the world's largest and most powerful tractor tug, on the Seattle waterfront on

Jan. 6. The vessel was built by

Trinity Industries.

The 155-foot, 8,000-hp Lindsey

Foss was designed specifically for tanker escorts, and for unique ma- neuvering ability. "A circular pro- Circle 210 on Reader Service Card

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ADDRESS pulsion system located near the tug's center allows it to turn 360 degrees within the ship's length," explained

Tom Van Dawark, Foss president and CEO. "The unique propulsion system provides full thrust in any direction. The tug's exceptional ma- neuverability makes it better equipped to steer and stop a tanker in the event of an emergency."

The christening ceremony, car- ried out by nine-year-old Lindsey

Bauhofer, the tug's namesake and great-great granddaughter of the company's founders, included a dem- onstration of the Lindsey Foss, as well as onboard tours for guests at the event.

The Lindsey Foss began service in December for ARCO Marine, Inc., escorting tankers in northern Puget

Sound. "Through [a] study, we found that tractor tugs, properly designed for the requirements of escort, can control a stricken tanker in signifi- cantly less time than conventional tugs," Mr. Van Dawark noted.

The Lindsey Foss is powered by two 4,000-hp engines through Voith

Schneider cycloidal propellers. Cy- cloidal propulsion tractor tugs are 20 times more capable than conven- tional tugs in steering and retard- ing the speed of a tanker under way at 10 knots, according to Foss.

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February, 1994 113