Pomilio, Ottorino · New York, McGraw-Hill · leaf 370
ram of /i obtained by the precedingequation has been drawn. FUSELAGE, LANDING GEAR AND PROPELLER 355 As to the torsion stresses, they depend only upon theair reaction. Let us consider a section A and the air reac-tion dR which acts upon the blade element I ■ dr correspond-ing to this section.… … Fig. 223. h the lever arm of the axis of dR with respect to the centerof gravity; the elementary torsional moment will be dT = hX dR = hX idR^ + dRr^yand consequently f-x[(fr-(fi The values of h are marked on the sections (Figs. 211, 212 and 213); the values ,- and -~ are given by the diagrams of…
Airplanes
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