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Diesel Direct Drive in Tug Jennie Barbour Two Engines— Each 275 B.H.P. DESCRIPTION The propelling pow- er in this steel hull, tunnel stern towboat is supplied by two die- sel engines of this type each direct connected to a propeller. One en- gine runs in a right- hand direction and the other left hand. The engines are four-cycle, full diesel, and are di- rect reversible. Each engine is rated 275 h.p. at 2:05 Tapa. Engine Name of Engine—Atlas Imperial; Year—1932 Builder—Atlas Imperial Diesel Engine Co. Cycle—Four; No. of Cylinders—6; B.H.P.—275 Action—Single; Injection—Solid (Mechanical ) Piston Coolg.—Air; Bore—11% in.; Stroke—15 in. R.P.M.—275; Piston Speed—527 feet per min. Pressure Brake—83 1lbs.; B.H.P. per Cyl. 45.8 Stroke to Bore—1.3; Wkg. Str. per Rev.—3 Length O.A.—18 ft. 1% in.; Height—8 ft. 3% in. Width O.A.—50 inches; Weight——38,130 lbs. Reversing—Engine is direct reversing Air Compressor—For maneuvering only Vessel Name—JENNIE£ Barsour; Type—Tug, tunnel stern Owner—Louisiana-Texas Waterways Corp. Builder—Camulette Ship Building Co. Main Drive—Twin screw diesel direct Completed—August 20, 1932 Length B.P.—100 feet; Beam molded—24 feet Depth—8 feet; Draft—4 feet, 8 inches Displ.—72 net tons; Deadweight—130 tons Speed—In knots, 12; No. of Propellers—Two Fuel Capacity—Bunkers, 475 bbls.; or 60 tons Fuel consumption—Lb. per B.H.P. per hr.—0.45 Radius Without Refueling—7000 nautical miles Generator—One 10 k.w., at 1150 r.p.m. direct connected to Universal diesel engine Remarks As may be noted from the accompanying illus- tration, this is a fine able vessel with ample power. The hull is of steel construction and the propel- lers operate in tunnels in order to insure the un- usually light draft of 4 feet 9 inches. The owner, the Louisiana-Texas Waterways Corp., New Or- leans, is using this vessel for towing barges. She is a well designed vessel for this purpose, and rep- resents a fine example of modern marine engi- neering for economical operation, ease of maneu- vering and long radius of action without refuel- ing. The diesel engines installed are of individual cylinder type with removable liners. The fuel system is of the common rail, constant pressure type. MARINE REVIEW—November, 1932 Le