The modern gas tractor, its construction, utility, operation and repair: a practical treatise defining every branch of up-to-date gas tractor engineering, driving and maintenance in a non-technical manner. Considers fully all types of power plants and their components, methods of drive and speed changing mechanisms. Describes design and construction as well as practical application of tractors in the field (1919)
Pagé, Victor Wilfred, 1885-1947 · New York : Scientific American Pub. Co. · leaf 41
tor with the first cost of a sufficient number ofhorses to do an equal amount of work. The comparisonfavors the tractor. If one compares the maintenancecost of the two outfits, the machine is overwhelminglysuperior to the animal. Compare the amount of work 40 The Modern Gas Tractor accomplished by… … •-^. „, Fig. 3.—A Man Easily Carries Fuel and Water Enough for anExtended Period of Operation When Gas Engine is Usedfor Power. Thermal Efficiency of the Horse.—The horse maybe considered as a motor in the sense t^at it utiHzes theheat units contained in its food, w^hich represents thefuel that is…
Farm engines · Internal combustion engines
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