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rteinnnnnonetnnicntecansneuetice einrnrntecetareuieoinsoneiAtiiseduebininnincentneanennoitin Passenger and Cargo Motorship Amerika on Trial Trip Jan. 21, 1930. One Double Acting Two Stroke Cycle Engine Motorship Amerika Completes Trials With New Double Acting Engine T IS fitting that the East Asiatic Co. which eighteen years ago spon- sored the first ocean-going motor- ship, the SELANDIA should now accept, for a very fine new ship diesel: propel- ling machinery of a new design. The AMERIKA is equipped with a _ two- stroke cycle, double acting diesel en- gine capable of developing 7000 brake horsepower at 95 revolutions per min- ute, the first of its kind turned out by Burmiester & Wain. Trials of the AMERIKA were held on Jan. 21, in the sound near Copenhagen, beginning at 9:00 a.m. and ending at 6:00 p.m. An average speed of 16.55 knots was ob- tained during the trial, the correspond- ing power of the engine being 7670 brake horsepower or 8613 indicated horsepower at 111 revolutions per minute. A test of six hour’s duration with the main engine developing 6450 brake horsepower gave a consumption of .37 pound of fuel per brake horse- power per hour for all purposes. From previous experience it is expected that M/S AMERIKA’ | _LENCTH o. a. 484 er Gincu 26 the efficiency of the engine fully run in during actual service will increase about four per cent. Maneuvering during showed easy starting, \ the ahead trials and Machinery Weights Reservoirs, silencers, spares and tools, auxiliaries for ships use ete. inven- tory, workshops, etc. Shafting Boiler plant Electrical equipment for engine room, floors, ladders, ete., piping Total, tons NOTE: This gives a weight for the complete installation of 54.4 pounds per brake horsepower and for the main en- gine only, of 23.4 pounds per brake horse- power. astern, the engine running quietly up to full speed without any vibration. At maximum’ speed the movement could scarcely be felt, although the vessel was light. The trials were con- sidered a complete success in every respect, and were attended by repre- sentatives of the owner, the builder, and Lloyds in which the vessel is re- gistered to the highest class. There were also present representatives of the Blue Funnel line, United States Steamship Co., Swedish American line, the Norwegian American line, Bergen Steamship Co., and the Linea Sud Americana. On Jan. 23, the AMERIKA sailed on her maiden voyage to Bang- kok from which she will sail to the Far East. From Japan she will pro- ceed to the Pacific Coast to load home- ward. Though of special interest in the type of her propelling machinery the AMERIKA is in many other respects a fine modern vessel. She is one of the world’s largest ships with a single screw and has been built as a com- bined passenger and cargo vessel with especially attractive and comfortable accommodations for 52 first class pas- | 4 A 2 MARINE REVIEW—March, 1930