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 207
reater than the tension of the coil springs holdingthem in contact with the pulley, the drive is interrupted,and the friction drive pulley turns at one speed whilethe armature, which now revolves only by its ownmomentum, tends to slow down. The armature speedfinally slackens to a point where… … The Modern Gas Tractor 205 the friction pulley until the safe speed is again exceededat which time the driving connection will be auto-matically broken again. The device shown is wired intothe circuit just as the set of batteries would be andan induction coil and timer will be needed to completethe…
Farm engines · Internal combustion engines
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