Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 389
later onto install propellers with very broad blades. Firstinstall motors of considerable power, each con-sisting of twelve or fourteen one-eighth-inchrubber strips. You will not get more than threeor four hundred turns out of them, but with ahigh-pitch propeller this will give you an excel-lent… … WORKING-DRAWINGS OF FOUR I9II MODELS. second, which will be carried forward, about thesame size, with rounded corners. Both planesshould have a slight camber. Attach the planes to the under side of themotor base. The theory of this adjustment isthat the planes thus rest upon undisturbed air,and are…
Children's literature
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