Analysis of 2-spar cantilever wings with special reference to torsion and load transference (1936)
NASA Technical Reports Server (NTRS) · leaf 9
involves the integration of these values gave y=2.03 cm, as com- presumption that the properties of the spars are known pared with y= 2.05 cm obtained from formula (8) and with the same accuracy, a presumption hardly war- ?/=2.31 cm obtained by assuming that only the tip ranted in any given case… … Figure 9—Torque and bending moments In duralumin wing frame. PRINCIPLE OF CALCULATION differences in bending moments along the span for The Friedrichs-von Kfixman formulas were derived the two cases of tip rib acting and all ribs acting, the for a wing frame in which the drag bracing is arranged…
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