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 138
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… … Fig. 43.—Exterior Face of Detachable Cylinder Head ShoWTiat A Outlines Valve Retpntion by Cages. Interior FaceShown at B Indicates Large Valves Possible by ThisConstruction. stroke must be long in order to obtain an efficient pistonspeed. Cylinders are usually fastened to the engine base bymeans of…
Farm engines · Internal combustion engines
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