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 98
33,000 and thequotient will equal the actual power of the engine. As an example, consider that the distance B betweenthe center of the brake pulley and the portion of thebeam resting on the scale is 4 feet. The circumferenceof a circle of this radius would be 2X4X3.1416 whichequals 25.1328 feet. If… … Fig. 21.—Making a Brake Test in the Field. At Fig. 21 the method of making a brake test of a tractorpower plant in the field is clearly indicated. Drawbar horse-power is the amount of power actuallyexerted in doing useful work, such as in hauling. Wehave seen that the difference between indicated…
Farm engines · Internal combustion engines
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