Aviation, theorico-pracitcal text-book for students (1919)
Carmina, Benjamin Morreale, 1871- [from old catalog] · New York, The Macmillan company · leaf 101
PROPELLERS 85 which will be smaller the nearer the point considered is to the hub E. From this, it is clear that the greatest circle is described by the propeller tips and the smallest by the center of the hub, where a circle is represented by merely a point, … Fig. 60 consequently the smallest angle is at the tips and the biggest would be at the center of the propeller, provided that we could build a propeller without a hub, and even if we could, the angle would be of no use whatever, as it would be prac- tically a right angle. To make this clear, let us…
Aeronautics
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
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