Wing spar stress charts and wing truss proportions (1926)
NASA Technical Reports Server (NTRS) · leaf 3
rhang (the curves being separated by intervals of 5 per cent of the total length, or 5 inches in a 100-inch spar, in both cases). The simplicity of the application of these charts can best be illustrated by immediate solution of an illustrative problem. Supposing a spar to have an inner bay 27… … Q 5 10 15 20 25 20 25.1 30 35 40 45 50 55 50 rig. I Percent length of overhang. Ffg.2 Percent length of inner boy hang until a point two-fifths of the way from the 25 per cent tt> the 30 per cent curve is reached. The bending moments are found to be: 222 lb. ft. at the outer support; 179 lb. ft. at…
NASA Technical Reports Server (NTRS)
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