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20 MARINE REVIEW Diesel Direct Drive in Twin Screw Yacht Arcadia Two Engines—Each 800 B. H. P. Engine Name of Engine—Winton; Year—1926 Builder—Winton Engine Co.; Cycle—4 No. of Cyls—6; B. H. P.—800; I. H. P.—1120 Action—Single; Injection—Air Piston Cooling—None; Bore—16% in. Stroke—22 in.; R. P. M.—300 Piston Speed—1100 f. p. m.; Press. Ind.—106 Pressure Brake—76; B. H. P. Per Cy!.—1383.3 I. H. P. Per Cyl.—171; Mechanical Eff.—72% Stroke-Bore—1.33; Working Stroke Per Rev.—3 L. O. A.—26 ft. 7% in.; Height O. A.—11 ft. 9% in. Width Over All—62 in. Weight—One engine, 110,000 lbs.; Lbs. per B.H.P. One engine—138; Lbs. per I. H. P., 98 Reversing—Air reversing DESCRIPTION Two engines of this size and type, each direct-connected to sep- arate propeller shafts, were installed in the diesel yacht ARCADIA. The engine is of full diesel type of four cycle and with air injection. A one-piece water box construction is used. The air compressor is direct-connected to the engine at the forward end and is driven from the main crankshaft. Air Compressors—Three-stage, direct-connected. Vessel Name—Arcadia; Built by Newport News S. B. & D. D. Co., from designs by Cox & Stevens Type—Yacht, ocean going Main Drive—Diesel direct; Length B. P.—177 ft. Length O. A.—188 ft.; Beam—27 ft. 6 in. Draft—11 ft.; Speed—16 knots No. of Propellers—2; Fuel Cap.—1750 bbls. Fuel Consumption—Lbs. per B.H.P. per hr.—0.48; Lbs. per I. H. P. per hr.—0.345; Radius without refueling—-9900 miles. Generators—Two of 25 kilowatts each at 450 r. p. m.; Built by Winton Engine Co.; Electrical end furnished by Westinghouse Elec. & Mfg. Co. Some Other Sizes of Engines Built Single Acting MODEL _B. HP. RiP.M. ~~ CYCLE NO. CYLS: 128 800 250 6 121. 400 250 116 300 450 115 600 w40 500 W35 225 250 W24A 350 HEIGHT WIDTH WEIGHT 5’ 110,000 67,000 21,500 42,000 90,000 44,000 65,000 November, 1926 ee: