Aviation engines; design--construction--operation and repair; (1919)
Pagé, Victor Wilfred, 1885-1947 · New York, The Norman W. Henley publishing co. · leaf 537
wing specifications of the Hall-Scott BigFour engines apply just as well to the six-cylindervertical types which are practically the same in construc-tion except for the structural changes necessary to ac-commodate the two extra cylinders. Cylinders are cast 538 Aviation Engines separately from a… … Fig. 242.—Dimensioned End View of Wisconsin Twelve-Cylinder Airplane Motor. space above same. The cylinder is annealed, rough machined, then the inner cylinder wall and valve seatsground to mirror finish. This adds to the durability ofthe cylinder, and diminishes a great deal of the excessfriction.…
Airplanes
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