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Inkster Particulars Type Catamaran Patrol Vessel Length, o.a 71 ft. (21.6 m) Length, b.p 58 ft. (17.8 m) Breadth, molded 22 ft. (6.7 m) Depth, molded 6.5 ft. (1.99 m) Design draft 2.2 ft. (.67 m) Endurance 20 hours @ 25 knots Maximum speed 30 knots + Material Aluminum Main engines MAN D2840 Gears ZFBW165 Propellers .. .Rolla (surface piercing propellers) Drives Arneson ASD 12 July, 1996 Wartsila Designs Largest Medium-Speed Engine Inkster Powered By MAN Engines Hitachi Zosen To Begin Construction Of Now Ariako Machinery Works We'll do the job right away...and we'll Wartsila Diesel, which is now in the middle of a process to upgrade its total engine porfolio, has designed what it terms the world's largest medium-speed engine. Current schedules call for the test engine to be started later this year. Designed in response to market demands for higher outputs and improved efficiency, the new engine — Wartsila 64 — will have a cylinder output of roughly two MW/cylinder. Meeting this specifi- cation, the in-line version will cover up to 18,000 kW in single engine installation and 36,000 kW in a twin engine installation. The manufacturer assumes that operations speed — provides a top speed in excess of 30 knots. Machinery which provides the ves- sel's various hotel services is grouped in the void compartments, along with the fuel tanks and compressed CO2 tanks for engine room fire suppres- sion. This includes a hot water tank, a domestic water pump, a sanitary water pump and a black water mac- erating pump. A reverse osmosis water making system and a diesel- fired furnace for accommodation heating are installed in the starboard engine room. The computerized navigation sys- tem incorporates an extensive elec- tronic chart database and high level graphics to give constant information regarding the vessel's position, direc- tion and speed. The navigation com- puter system is also capable of send- ing and receiving information, including faxes, via the radio tele- phone modem. For more information on Allied Shipbuilders Circle 58 on Reader Service Card the V12 will also find a market as a marine engine, which would pro- vided a 48,000-kW output in a twin engine installation. The largest V engines, V16 and V18, have been developed mainly for use in power- plants, but opportunities for very powerful diesel-electric machinery will be explored. In July 1995, Hitachi Zosen Corporation and government officials of Kumamoto Prefecture and the Town of Nagasu concluded an agree- ment on the construction of the new Ariake Machinery Works. After developing the detailed design of the project under the guidelines of government authorities, the company began construction on the grounds of its Ariake Works on April 15. This facility is to be a replace- ment for the Sakurajima Works, the company's main machinery facto- ry, located in Konohana Ward, Osaka, Japan. The city of Osaka is carrying out a bay-area redevelopment project in the western coastal area of Konohana Ward. Since the Ariake Works was inaugurated as a shipyard in 1973, it has been home to advanced shipbuilding technology. Aiming at the 21st century, the company is constructing this new integrated machin- ery works to extend its heavy machinery operation, giving it the capa- bility to produce both marine and land equipment. In particular, the new works is expected to be a world-leading machinery facility that functions as a primary base in the company's international strategy. Products to be manufactured by the New Ariake Machinery Works include marine diesel engines, industrial machinery such as presses for automobile production and various kinds of plant equipment. The first order has already been received by the new works — the world's largest marine diesel engines, producing 74,640 PS, ordered by Odense Steel Shipyard Ltd., of Denmark. Full operation of the plant will get under way in October 1 997, six months ahead of schedule. For more information on Hitachi Zosen Circle 66 on Reader Service Card do it right.^^^ Goltens WORLDWIDE Oslo (47-22) 68 90 80 Hong Kong (852) 2775 0161 • Dubai (971-4) 341642 Shanghai (86) 21 4811721 • Singapore (65) 8 61 52 20 Rotterdam (31-10) 4 79 00 • Jakarta (6221) 640 8091 Wilmington, CA (310) 549-2550 • Miami, FL (305) 576-4410 Fairhaven, MA (508) 993-2631 • New York, NY (718) 855-7200 Circle 280 on Reader Service Card « "i Combined Cycles The single-cycle efficiency of the W64 will approach 50 percent, but the combi cycle has also been developed, which means that waste heat is used for production of steam to drive a steam turbine. The optimized combi cycle, based Pictured is the crankshaft forging for a new engine type from Wartsila Diesel. The Finnish man- ufacturer's project aim is to produce the world's largest medium-speed engine. on the Wartsila 64 specifications, because the steam turbine efficien- is projected to end up at an effi- cy improves with size, ciency rate of 57 to 58 percent. The For more information on Wartsila Diesel efficiency rises at higher outputs Circle 108 on Reader Service Card GOLTENS — 'ROUND THE CLOCK, 'ROUND THEWORLD. CRANKSHAFT GRINDING When Goltens reconditions crankshafts, crank- pins and main journals, in most instances we are able to do the job without removing the shaft. Our in-situ grinding saves you downtime and money. Or, if your job is best handled in- shop, Goltens has facilities worldwide to do the job fast. And we've been doing it for over 50 years. For all your crankshaft needs, count on Goltens.