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Only the two-stroke-cycle Diesel has these advantages It was because the advantages listed here can be obtained only in a two-stroke-cycle engine that the two-stroke- cycle design was chosen for the first heavy oil engine built by Fairbanks-Morse. And it is because the value of these advantages was established from the outset, that Fairbanks-Morse has steadfastly held to the two- stroke-cycle principle in building more than a million horsepower of Diesel engines. Obviously, when the Diesel assumed greater commercial import- ance, the practical side of Diesel operation began to receive more attention than the theoretical side. The man who buys a Diesel to operate his boat is more interested in year-round dependability than in engineering pros and cons. If an engine is easier to operate, costs less to maintain and still gives excellent fuel economy, that engine is destined to triumph. Thus the two-stroke-cycle principle came’ swiftly into favor: The million horsepower of F-M Diesels have been the great force behind today’s trend to two-stroke-cycle design. Starting when the Diesel was young, Fairbanks-Morse has step by step perfected the two-cycle engine. In keeping with the idea of maximum simplicity, mechanical or airless fuel injection was adopted along with the two-stroke-cycle, and this, too, has been steadily developed into the present highly perfected two-stage combustion—another factor that adds to simplicity and the dependability that always goes with it. In‘ selecting a Diesel engine start with a comparison of Diesel principles. This will lead you directly to the two-stroke-cycle engine. Then select the Diesel that represents this principle at its best. In the opinion of thousands that Diesel is the Fairbanks-Morse. Ask for Bulletin 1020 which contains an inter- esting comparison of Diesel engine principles FAIRBANKS, MORSE & CO., Chicago Branches with service stations in principal ports —All complicated, mechani- cally actuated valves in cylinder head eliminated. —No complicated rocker arms, push rods and tim- ing gears. —Fewer moving parts and therefore reduced main- tenance. —Simpler to operate. —No valves to grind; no timing or setting required. —A power impulse during every down stroke of every piston and there- fore more uniform power delivery. —Rated on conservative basis without excess weight per horsepower. FAIRBANKS -MORSE DIESEL ENGINES The Product of Experience