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The WORTHINGTON Double-acting, two-cycle Diesel Engine HE principle of double action in the Diesel inte semis | [Topco Steel cylinder of symmetncal Top fuel valve. Water cooled piston wall section: insuring rapid water outlet (The | 4 a head of forged chrome- heat trarister and great strength bottom cylinder has | 24 a vanadium steel. a separate outlet), engine is now made mietaas Bee practical in sizes up to gs came |) ama I Nace | sce 12,000 hp. et | and jacket. . Scavenging air manifold Cast iron base supporting both cylinders and contain: ing exhaust and scavenging a ports Cast steel ring, which clamps stcel cylinder to base, allowing free expan sion from this point Double-action has reduced the initial cost per b.hp. by making _aterscatea complete use of the running = gear every stroke. Thus, the purchaser does not pay for Single cam shaft oper- ating all tuel valves. Forced feed lubrication. Telescopic piston- cooling gear machinery running idle during [| "aya | ea | Sl ctec wee me sti Water nobied one of two or four strokes. | cree s wort eT ing box. Double-action, by successfully concentrating in one cylinder Saeeht the work of four, has produced a compact engine which re- rae duces the amount of space re- ocr, quired per b.hp. as well as the total weight. — Partition preventing leakage between crank case and cylinder stuff- ing box. Water cooled cross- head guide Full marine-type connecting rod. of forged steel. Large tie rods, taking all tension stress of working cylinders. Double-action makes for de- creased maintenance, as fewer and lighter parts are required for a given horsepower. PRODUCTS OF WORTHINGTON LY PUMPS + COMPRESSORS CONDENSERS aud AUXILIARIES y OIL and GAS ENGINES FEEDWATER HEATERS 7 WATER and OIL METERS Literature on Request WORTHINGTON PUMP AND MACHINERY CORPORATION, 115 BROADWAY, NEW YORK CITY. BRANCH OFFICES IN 24 CITIES 8238-1 MARINE REVIEW—November, 1927 . 35