. American engineer and railroad journal . 106 AMERICAN ENGINEER, CAR BUILDER The Fairbanks-Morse Gas Engine. The gas and gasoline engines made by Fairbanks. Morse & Com-pany, of Chicago, have earned for themselves an excellent reputa-tion for economy and durability. These engines run at slowerspeeds than is customary in gas engine practice, the speed of a 10horsepower engine being 225 revolutions per minute, a 28 horse-power engine 175, a 50 horse-power engine 160, a 75 horse-power en-. The Fairbanks-Morse Gas Engine. gine 150 revolutions, etc. This moderate speed, accompanied bysimplicity of
. American engineer and railroad journal . 106 AMERICAN ENGINEER, CAR BUILDER The Fairbanks-Morse Gas Engine. The gas and gasoline engines made by Fairbanks. Morse & Com-pany, of Chicago, have earned for themselves an excellent reputa-tion for economy and durability. These engines run at slowerspeeds than is customary in gas engine practice, the speed of a 10horsepower engine being 225 revolutions per minute, a 28 horse-power engine 175, a 50 horse-power engine 160, a 75 horse-power en-. The Fairbanks-Morse Gas Engine. gine 150 revolutions, etc. This moderate speed, accompanied bysimplicity of design and substantial construction, gives great du-rability to the engine. It is made in sizes up to 100 horse-power with a single cylinder,which is as large as any made in this country in which the poweris generated in one cylinder only. The two horse-power engine isvertical, but all other aizes are of the horizontal type. The engrav-ing herewith shows one of these gas engines, the view being takenof the side on which the valve gear is located. The simplicity ofthe engine will be the more apparent when we state that there isno mechanism on the other side of the cylinder except a starter, towhich we will refer later. The engine operates on what is generally called the Otto cyclethat is, there is one working stroke in every two revolutions. Thereare only two positively operated valves to the eDgine and they areboth of the poppet type. One is the exhaust valve, located withinthe
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