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Diesel Electric Drive in La Playa Four Engines—Each 1000 B. H. P. Name of Engine—Fiat Q-504; Year—1927 Builder—Fiat Co., Italy, Nordberg Mfg. Co. is American licensee for this type Cycle—2; No. of Cylinders—4; I. H. P.—1250 B. H. P.—1000; Action—Single; Injection—Air Scavenging—Port; Piston Cooling—Water Cooling Bore—19.69 in.; Stroke—19.69 in.; R.P. M.—250 Piston Speed—816 ft. p. m.; Press. Indicated—79.5 Pressure Brake—65; B. H. P. per Cyl.—250 Mechan. Efficiency—79.6%; Stroke to Bore—1.00 Working Strokes per Revolution—4 Length O. A.—18 ft. 6 in.; Height—17 ft. 2 in. Width O. A.—8 ft. 4 in.; Weight—One engine, 179,200 lbs.; Lbs. per b. h. p. per hour, 179.2 Reversing—No; constant speed one direction Air Comp.—Three stage, integral with engine Vessel Name—La Playa; Type—-Cargo and passenger Main Drive—Diesel electric; Lgth. B. P.—352.2 ft. Beam—48.1 ft.; Depth—28.3 ft. Single screw diesel electric DESCRIPTION This vessel, belong- ing to the United Fruit Co., is equipped with diesel electric drive. Four engines of the size and type described are each direct con- nected to a main .and auxiliary generator. The engines are of the crosshead type with division plate between the cylinders. The three stage compressor built integral with the engine is set at the forward end. Deadweight—5000 tons; Speed—13 knots No. of Propellers—One; Fuel Consumption—Lbs. per b. h. p. per hr.—0.405 Generators—Eight; Four of 500 k. w. and 4 of 200 k. w., one of each in series direct connected to and driven by the engine described and shown here at 250 r. p. m. Remarks The La PLAYA was built in England for the United Fruit Co. Her present engines were built by the Fiat Stabilimento Grandi Motori, Turin, Italy. Since this vessel belongs to an American com- pany and as this type of engine can now be built in the United States by the Nordberg Mfg. Co., it was decided to include this installation, though it is not American built. ae A large amount of refrigeration is required on the LA PLAYA, the refrigerating and auxiliary load amounting to nearly 22 per cent of the power required for propulsion. Py MARINE REVIEW—November, 1927