Pomilio, Ottorino · New York : McGraw-Hill book company, inc. · leaf 28
m c is greatly decreased. The loss is expressed by -— = -> that is, by the inverse of the ratios X c s THE WINGS 11 spanchord So it is seen that by increasing the ratio > the c average value of the coeffi-cient of Lift is increased, andit is therefore advantageousto build wings of large… … FIG. 12. machines, this value variesfrom 5 to 12, and even more.In biplanes, triplanes andmultiplanes, another very im-portant problem is presented;that of the mutual interference of each plane upon theothers. In view of the close arrange-ment of the surfaces necessitated bystructural…
Airplanes
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