Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 203
202 FLYING MACHINES: MOTORS, The great rivalry of the builders of motors hasbeen in cutting down the weight per horse-power tothe lowest possible figure. It goes without sayingthat useless weight is a disadvantage in an aeroplane,but it has not been proven that the very lightest en- … The Gobron* engine of the double opposed,** or cross-shaped type.A water-cooled engine, with 8 cylinders. gines have made a better showing than those of stur-dier build. One of the items in the weight of an engine hasbeen the fly-wheel found necessary on all motors of4 cylinders or less to give…
Aeronautics
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