The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

JOHN J. HARVEY—Fireboat—Harbor—Twin Screw—Electri¢ DESCRIPTION Said to be the largest and most powerful fire- boat in the world. An all-steel, twin screw, gasoline-electric vessel with propulsive power for a speed of 18 miles per hour and pumping power to supply 16,000 gallons of water per minute from eight noz- zles. There are five gasoline engines, each of 548 h.p. Each engine is direct connected to a 340 kilowatts direct current generator. Name—JoHN J. HARVEY Owner—City of New -York Builder—Todd Dry Dock Eng. & Repair Corp. Naval Architect—Henry J. Gielow, Ine. Launched—Oct. 6, ’31; completed, Dec., 1931 Classification—American Bureau of Shipping HULL PARTICULARS Length over all, 130 feet; length between perpendiculars, 123 feet; breadth molded, 28 feet; depth molded, 12 feet 9 inches; draft molded, 8 feet 6 inches; displacement loaded, 440 tons; gross tonnage, 268.8; net tonnage, 182.78; bunker fuel capacity in gallons of gaso- line, 6000; speed, in service, 18 miles per hour. MACHINERY PARTICULARS Main Engines—Gasoline-electric. Five, 548 brake horsepower each, at 1150 revolutions per minute, Sterling Viking II gasoline engines, built by the Sterling Engine Co. Four of these engines are each connected to one Westing- house, 340 kilowatts, 250 volts, 1150*r.p.m. direct current generator. One of these engines is direct connected to one Westinghouse 340 kilowatts, double armature, 125 volts at 11509 r.p.m. direct current generator. There are three exciters, each 29 kilowatts, 125 volts, 1150 revo- lutions per minute. Two Westinghouse main propelling motors, each of 1065 horsepower at 625 volts, 425 revo- lutions per minute, direct current. Auxiliary Generators—Two, 10. kilowatts each, driven by 6-cylinder Winton diesel en- gines. Generators, Westinghouse. Boiler—One, Nelseco-Clarkson exhaust and oil fired heating boiler, made by the New Lon- don Ship & Engine Works of the Electric Boat Co.; 110 square feet heating surface; takes heat Cat a of exhaust from main engines and is also fitted with Todd oil burner. Auxiliaries—There are four main fire pumps, Lecourtenay 2-stage centrifugals with 12-inch suction and 10-inch discharge, each with a ca- pacity of 4000 gallons per minute against 150 pounds; in series two pumps will give 4000 gal- lons per minute against 300 pounds. Other pumps for general service are, one Watreous rotary bilge; one Thomas sump pump and two Burke sanitary pumps. All pumps are driven by Westinghouse motors. A Foamite system can deliver 500 gallons per minute of foam at 100 pounds. AUXILIARY EQUIPMENT Motor Generator—10 K.W. Westinghouse Air Compressors—2 Worthington Oil Purifier—No. 20 Hydroil Capstan-Windlass—American Engineering Co. Steering Engine—Sperry Gyroscope Co. Propellers—Columbian Bronze Corp. Electric Motors—All Westinghouse Elec. Refrigeration—General Electric Co. Fire Protection—Aqua, CO. Systems; Alfite Revolution Counters—Cummings Mach. Wks. Signals, Telephones—Chas. Cory & Son Marine Hardware—The Dayton Mfg. Co. Radiators—Erskine Copper Radiator Corp. Outboard Bearings—B. F. Goodrich Rubber - Windows—Kearfott Engineering Co. Thrust Bearings—Kingsbury Mach. Works Valves—The Lunkenheimer Co. Deck Covering—Selby, Battersby & Co. To facilitate fighting fires under piers and in shallow water, the vessel is equipped with a 14-foot all-steel motor driven lifeboat. This lifeboat is equipped with a 15 horsepower gaso- line engine, with reversing gear, for propulsion. 2 MARINE REeview—April, 1932 23