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PROPULSION UPDATE 6L35MC Performance in M/S Weserstern MAN B&W Diesel A/S, Alpha VisitonWturttan Diesel has manufactured small bore To confirm the company's perfor- two-stroke crosshead engines for mance expectation of these engines, almost eight years. MAN B&W Die- L. Rovs Hansen, former technical sel A/S, Alpha Diesel in senior manager at MAN B&W Die- Frederiksbavn has delivered or has sel, Alpha Diesel, carried out a fol- on order 68 two-stroke engines, low-up on one of the 6L35MC Mk VI nearly 60 percent built for Euro- engines installed in six newbuildings pean owners. Approximately half of from MTW Schiffswerft in Germany these main engines have been deliv- for the owner Rigel Schiffahrts ered as part of complete propulsion GmbH, Bremen. The conditions of packages, including CP propellers Weserstern are especially interest- and control systems. ing to observe for MAN B&W Diesel A/S, Alpha Diesel as Weserstern is the first vessel to have the newest version of the 6L35MC engine installed. Two of these ships, Weserstern and Oder stern, are in service in North Euro- pean waters—the other four vessels in U.S. waters. The first visit paid by Mr. Hansen was on board the chemical tanker Weserstern — which has been in service since August 1992 — while in service from Kiel to Rotterdam. Pictured is the cover to the crank case, clean after the engine has The engine runs on heavy been in service for 12,290 hours. fuel oil - IF380. It is equipped with power take-off for a 600-kW shaft alternator. As the shaft alternator operates almost 70 percent of the time, the engine is nor- mally running at a con- stant speed of 210 rpm. According to the logbook, the engine was in con- tinuous operation for 12,290 hours and the shaft alternator for 8,480 hours. From the chief engineer's recordings, the following was found: Consumption Fuel oil consumption is, at 80 to 85 percent MCR and at 210 rpm, between 13,610 and 13,680 liters per 24 hours; i.e. approximately 185 g/ kW-h (136 g/hp-h) Cylinder oil: 76 1 per 24 hours; i.e. approx. 1.0 g/ kW-h; 0.75 g/hp-h. S35MC in front of the test house of MAN B&W Diesel A/ Alpha Diesel in Frederikshavn For three days this fall, Washington will turn from political to nautical. Plan to be there for the1995 International Maritime Exposition. Wednesday, October 4: Noon to 5 pm Thursday, October 5: 10 am to 5 pm Friday, October 6: 10 am to 4 pm The Washington Hilton and Towers • Washington, D.C. During the 1995 Annual Meeting of The Society of Naval Architects and Marine Engineers A I I m. W77" For free tickets to the Exposition, contact: Independent Expositions, Ltd. 221 King Manor Drive King of Prussia, PA 19406 (610) 272-4024 Fax: (610) 272-5190 For complete information on the Technical Program for the Annual Meeting and Symposium (held October 4-7), contact: SNAME, 601 Pavonia Avenue Jersey City, NJ 07306 (201) 798-4800 Fax: (201) 798-4975 Circle 242 on Reader Service Card 62 Maritime Reporter/Engineering News
