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CLEVELAND AND CLASS—Tug—Single Screw—Diesel Electric DESCRIPTION This tug and her three sister’ vessels have been appropriate- ly dubbed ‘‘locomotives of the sea.’’ Modern in every respect, power is developed by two diesel engine’ gener- ating sets. Current so made is supplied to one double armature motor of 800. horse- power’ directly con- nected to the propeller. Name—CLEVELAND Owner—Erie Railroad Co. Builder—Pusey & Jones Corp. Naval Architect—J. W. Millard & Bro. Launched—July 24, ’30; completed Oct. Dio Sister Ships—RocHESTER, OLEAN and ScrANTON, respectively, launched July 30, ’30, Oct. 4, 730, and Oet.-8, °302:Completed: Nov. (12, B20, Dec. 11, ’30;;and Dec. 29.30: HULL PARTICULARS Length over all, 108 feet; length between perpendiculars, 96 feet; breadth molded, 26 feet; depth molded, 13 feet 9 inches; draft, aft, 12 feet’ 6% inches; displacement loaded, 410 tons (fresh water); gross tonnage, 235; net tonnage, 159; bunker fuel oil capacity, 9915 gallons; speed, 14 miles per hour. MACHINERY PARTICULARS Main Engines—Two, Ingersoll-Rand four- eycle solid injection oil engines. Size, each engine 15 x 20 inches six cylinders, 500 brake horsepower at 270 revolutions per minute. Main Generators—Two, General Electric d.c. each 330 k.w. 250 volts and each with 30 k.w. 120 volts exciter. Main Motor—One, General Electric double armature d.c. 800 shaft horsepower, 500 volts direct connected to propeller. Pumps—wWorthington, Cameron Electric Motors—Diehl Mfg. Co. Steering Engine—American Engineering Co. Propellers—Pusey & Jones Corp. Generator—Four k.w. Hill, General Electric Anchors—Baldt Anchor, Chain & Forge Co. Telegraphs—Chas. Cory & Son Marine Hardware—The Dayton Mfg. Co. Air Compressors—Ingersoll-Rand Co. Valves and Fittings—Lunkenheimer, Crane Stern Bearing—Goodrich (cutless) Searchlights—Portable Light Co. Inc. Deck Covering—Selby, Battersby & Co. Thrust Bearings—Kingsbury Machine Works Life Boats—Thomas Drein & Son Co. Binnacles and Compasses—T. S. & J. D. Negus One of the features of these powerful tugs is the fire-fighting equipment consisting of one Cameron three-stage fire pump with a capacity of 500 gallons per minute. This pump is driven by a 75-horsepower General Electric motor op- erating at 1700 revolutions per minute. Dis- charge is to monitor nozzles on top of the pilot house and on the sides of the deck house. —~ INBOARD ELEVATION —— a pe eee 1 ht | Fon nena, Fuve 04 Loe ¥ ; sana | ee 4 aa 8 Toomer i" git: idee . L ie weolire * EH MaRINE REview—April, 1931 23