N.A.C.A. Technical Memorandum No,511 Figs.4,5 & 6 Fig.4 Deformation of bay without effect of covering. … Sheet-metal deflection=0 Fig.5 Lines of like bulge in one field in the bending . about the horizontal or beam axis. Measured deflection Calculated " .4- o a \ - Q .1- *<P = 300 kg Calculation of inertia moment, a With total cross section. b Disregarding compressively stressed top sheet. c » » » « "…
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