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SINGLE SCREW DIESEL PASSENGER SHIP C. F. TIETGEN Length over all, 208 feet 8 inches; length between perpendiculars, 195 feet; molded breadth, 32 feet 9% inches; depth to main deck, 18 feet 7% inches; draft loaded, 17 feet 2% inches; deadweight capacity, 1075 tons; capacity of fish cargo, 382,500 cubic feet. Propelling machinery of this diesel trawler is one 6-cylinder 4-cycle, single acting, Burmeister & Wain die- sel engine of the trunk piston type developing about 1000 indicated horse- power at 150 to 155 revolutions per minute. The revolutions may be re- duced to one-fourth without any difficulty. On the trial trip of the trawler, VICTORIA, Jan. 18, 1928, with a mean draft of 11 feet 10 inches, a speed of 11.93 knots was attained over the measured mile, the engine developing 1248 indicated horsepower at 166.9 revolutions per minute. A consumption test over a period of two hours at 165.8 revolutions per minute gave a mean fuel consumption of 133.8 grams (.30 pound) per in- dicated horsepower per hour for all purposes. ~ Service speed of the trawler is 114 knots. Comparing the VICTORIA with a similar dimensioned steam trawler UPPER—TWIN SCREW DIESEL TANKER HIDLEFJORD. LOWER—SINGLE SCREW DIESEL CARGO SHIP YANDRA 26 MARINE REVIEW—March, 1929 there is a striking increase in cubic and deadweight capacity and also in speed. The crusing radius of 25,000 miles due to small fuel oil consump- tion is also a distinct advantage on long voyages to the Newfoundland banks and _ other’ distant fishing grounds. Tanker Caroline Maersk UILT by the Odense Steel Ship- yard, Odense, Denmark, the twin screw diesel tanker CAROLINE MAERSK was given her sea trials on Nov. 15, 1928 in the Kattegat. This tanker was built to the highest class in Lloyd’s for Danish owners. Her di- mensions are: Length overall, 479 feet 2 inches; length between perpendi- culars, 456 feet; breadth molded, 59 feet 6 inches; depth molded, 35 feet 9 inches; draft with summer free- board, 26 feet 8 inches; and corres- ponding deadweight, 11,800 tons. The hull is built on the Isherwood bracket- less system with two _ longitudinal bulkheads going through all cargo tanks. There are nine main tanks and ten side tanks. The main deck is continuous. Additional decks are forecastle bridge and long poop. In the pump room amidship there are two duplex steam cargo oil pumps of a total capactiy of 650 tons per hour. The pumps are. operated by steam supplied by two scotch boilers with a total heating surface of 2600 square feet. These boilers are located aft in the engine room and also supply steam for pumps in the forward pump room, winches, windlass, heating coils and to the fire extinguishing system. Power for propulsion in supplied by two, 4-cycle single acting, direct re- versible Burmeister & Wain _ diesel engines. These engines are of latest design, with six cylinders, develop- ing in both engines together a total of 8440 indicated horsepower with superchargers at 145 revolutions per minute. A service speed of 11 knots is possible with this power. On the trial trip of the CAROLINE MAERSK a speed of 11.4 knots was attained over the measured mile with a total of 3274 indicated horsepower, at 141 revolutions per minute, for the two engines combined. It was esti- mated that a current of about 2 knots strength was running. A test lasting three hours was run to establish the fuel consumption. It was found for a total indicated horsepower of 3333 that the fuel oil consumption amounted to 188.18 grams (.805 pound) per indicated horsepower per hour for all purposes. The trial trip was success- ful in every way. ce oe