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

MARINE REVIEW Diesel Direct Drive in M. S. Tampa One Engine—2900 B. H. P. : Engine Name of Engine—Worthington; Year—1925 Builder—Worthington Pump & Machinery Corp. Cycle—Two; No. of Cylinders—4; B. H. P.—2900 Action—Double acting; Injection—Air Scavenning—Port; Piston Cooling—Fresh water Bore—28 in.; Stroke—40 in.; R. P. M.—95 Piston Speed—633.3 ft. p. m.; Pressure Brake—64 B. H. P. per Cyl.—725; Stroke to Bore—1.43 Wkg. Strokes per Rev.—8; Leth. O. A.—34 ft. 6 in. Hght. to C. L.—26 ft. 7% in.; Width at Base—11 ft. Weight—One engine, 618,000 lbs.; One engine, 213 ibs. per B;. HP; Reversing—Direct reversing Air Comp.—Attached, scavenging and injection Vessel Name—Tampa; Owner—United States S. B. Conversion to Diesel—At Newport News S. B. & DD. Go, Type—Single screw, ocean cargo vessel Main Drive—Direct connected diesel engine Length B. P. P.—402 ft.; Beam—54 ft. Depth—33 ft. 9 in.; Draft—26 ft. 10%4 in. (summer): DESCRIPTION One engine of this size and type, direct connected to the pro- peller is being in- stalled in the shipping board freighter TAM- PA. This engine is the first of double acting type built in America and is of all American design. It is a two- cycle, slow speed heavy duty, crosshead _ type, air injection and double-acting diesel en- gine. Displemt.—12,910 tons; Ddwght.—Abt. 9400 tons Speed—11% knots; No. of Propellers—One Fuel Consumption—From official log of 30-day test, Lbs. per B. H. P. per hr.—0.462 Generators—Three, auxiliary direct connected to Worthington diesel engines 265 R. P. M. This engine is now being installed in the freighter TAMPA, known as the Oscar Daniels type, by the Newport News Shipbuilding & Dry Dock Co. and is one of the units of the shipping board’s program of converting 14 steam vessels to diesel drive. The engine is totally enclosed and it is provided with circulating pressure lubrication of all im- portant parts. All parts exposed to high tem- peratures such as the cylinders and piston heads are of forged alloy steel. Other standard sizes of engines built range from 50 to 540 B. H. P. single acting, two-cycle solid injection; from 300 to 800 B. H. P. single acting, four-cycle, air injection; from 500 to 12,000 B. H. P. double acting, two-cycle, air injection. class—Single screw—One 2900 brake horsepower engine direct connected * November, 1926