The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics (1918)
Matthews, Richard Borlase, 1878- · London : C. Lockwood and son · leaf 242
.M — Torque. r^ = Length of blade from the axle centre.r.2 = Length from centre to the extreme portion of the bladewhere stream lining stops.i.e., r, -ro = Effective blade. DIV. iv] PRINCIPLES OF DESIGN lOI H = Horse-power. D = Permissible diameter of airscrew. For the purpose of these notes all… … pitch P {i.e., the pitch w^hich would cause the aircraft to advance at Vits velocity V, if there were no slip) is . The angle of the effective 102 AIRSCREWS [DIV. IV Phelix A, at any radius from the boss centre, is tan-^rt >.» where .c is the radius considered. The illustration herewith shows an…
Aeronautics
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