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MARINE REVIEW Engine Name of Engine—Standard; Year—1926. Builder—Standard Motor Construction Co. Cycle—4; No. of Cyls.—6; I. H. P.—185 B. H. P.—150; Action—Single Injection—Mechanical; Piston Cooling—None ‘Bore—8%% in.; Stroke—12 in.; R. P. M.—350 Piston Speed—-700 ft. p. m.; Press. Ind.—102 Pressure Brake—83; B. H. P. per Cyl.—25 I. H. P. per Cyl.—30.8; Mechanical Eff. —81% Stroke to Bore—1.41; Wkg. Strokes per Rev.—3 Leth. O. A.—14 ft. 2 in; Hght. O. A.—6 ft. 5 in. Width Over All—4 ft. 2 in. Weight—One engine, 18,000 lbs.; Lbs. per B. H. P. per hour, 120; Lbs. per I. H. P. per hour, 97.4 Reversing—Direct reversing © Air Comp.—Attached, 3% in. bore x 3¥ in. stroke Diesel Direct Drive in Tug Walnero No. 4 One Engine—150 B.H. P. DESCRIPTION One engine of this size and type direct connected to the pro- peller shaft was in- stalled in the tug WALNERO No. 4. The engine is of full diesel four-cycle mechanical injection direct revers- ing marine type. By progressive arrange- ment of air and oil feed the engine is capable of overload in handling and starting, an advantage in tugs. Vessel Name—Walnero No. 4; Type—Barge canal tug Main Drive—Diesel direct; Length B. P.—60 ft. Beam—16 ft.; Depth—9 ft 6 in.; Draft—8 ft. Speed—9 knots; No. Propellers—One Fuel Capacity—3000 gallons Fuel Consumption—Lbs. per B.H. P. per hr.—0.45; Radius without refueling—22 days Generators—None The WALNERNO, a wooden tug owned by Port- land Canal Transportation Co., is engaged in tow- ing five and six barges through the New York state barge canal between New York City and Buffalo. Five barges loaded with 100,000 bushels of grain are handled at 4.4 miles per hour. The diesel engine illustrated and detailed above has mechanical injection with positive pulverization. Other Standard Sizes of Engines Built B. H. P. R. P. M. Cycle No. Cyls. Bore Stroke Weight 90 350 4-cycle 4 8% in. 12> in: 14,500 135 350 4-cycle 6 8% in. 12 in. 20,000 200 300 4-cycle 6 10 in. 14 in. 24,000 300 275 4-cycle 6 12 in. 17 in. 36,000 Diesel tug boat WALNERO for service between New York and Buffalo via the barge canal November, 1926