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 137
aust gas meets with litile resist-ance, such as would be the case if the gas stream wasforced to turn many corners. A typical cylinder headdetached from the cylinder casting is shown at Fig. 43.It will be noticed that very large valves are used and thatthese seat directly into the cjdinder head… … The Modern Gas Tractor 135 stantial bolts. The rectangular spaces between thebolt holes are ports to permit free circulaticn of ccolingwater around the cylinder head. Most tractor engines are of the long-stroke type, theratio of the stroke to the bore being about one and cne-half or tw^o to one. A…
Farm engines · Internal combustion engines
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