Page 76: of Maritime Reporter Magazine (July 1998)

(Continued from page 31) bility was also evident in eight hours of trouble-free operation at 100 percent maximum continuous power rating.

The highlight of the program was its attainment of 41.3 knots at ser- vice power equating to around 90 percent MCR on 1,200-dwt, repre- senting a 1.3-knot gain on the con- tractual speed. Given the expecta- tion from the market of all-year service dependability, no less sig- nificance should be attached to seakeeping properties that should allow the class to substantially exceed the operational limits of existing fast ferries on the

Sardinia/mainland route network.

Tirrenia had earlier demonstrat- ed its forward-thinking approach to the business when it introduced the 102-m Aquastrada monohull sisters Guizzo and Scatto to the

Sardinian traffic in 1993/94.

While the Neapolitan operator elects to idle its Aquastrada pas- senger/car ferries during the win- ter months, Aries and Taurus are intended to competitively provide continuous service coverage through the high and low seasons.

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One of the keys to the design's operating flexibility is a RoRo con- figuration which offers payload permutations from 460 cars to 30 trucks of 30-tons plus 150 cars, along with accommodations for 1,800 passengers.

The other instrument of service flexibility is the 70.8-MW (95,000- bhp) combined diesel and gas (CODAG) plant, comprising two

General Electric LM2500 gas tur- bines of 22-MW each and four

MTU 20-cylinder 1163-series diesels of 6.7-MW apiece.

While 40 knots-plus can be assured with every piece of the plant fired-up, the use of the four

MTU engines alone should give 22- knots in laden condition, with 33- knots anticipated from the bank of diesels plus a single gas turbine.

SEC — Pioneering Spirit

While the transformation of state-owned Fincantieri, not least its organizational streamlining and considerable business impact in capital-intensive niche markets, has remained the commanding feature of the Italian shipbuilding scene over recent years, the vitali- ty of the private sector bears sig- nificantly on the wider industrial well-being.

A pioneering spirit is amply demonstrated by Societa Esercizio

Cantieri (SEC), which has effected a wholesale change in its struc- ture, build system and target mar- kets within just a decade.

The recent delivery of the first of a long series of Stena 4-Runner

RoRo freight ships marks the turn- ing of a new era both in SEC's international business develop- ment and in its production arrangements. From a fishing ves- sel orientation and subsequent diversification into factory ships, the company embraced stainless steel tanker technology in the mid 1980s, becoming one of Europe's most prolific builders of vessels for the petrochemical trades. Its activities in the specialized tanker category have reached new heights in terms of scale and design sophistication through a current project involving two 22,000-dwt stainless tankers for domestic owners Finaval and Marnavi.

SEC is now showing its mettle in an entirely different area of ship construction, having forged a link in the RoRo domain with

Gothenburg-based Stena, widely perceived by shipbuilders world- wide as one of the most exacting clients. The recent completion of 12,350-dwt Und Ege, the first of five 4-Runners firmly ordered, and

Maritime Reporter/Engineering News