Investigation of torsion of structural airplane members undertaken by Forest Products Laboratory; how more common torsion formulas have been developed from theory; formulas for solid and tubular sections yielding to mathematical treatment; empirical formulas developed for irregular sections whose component parts are rectangles; empirical formulas resulting from direct torsion tests of wooden specimens, and application of soap-film method of investigation to sections.
The torsion of members having sections common in aircraft construction
Nat. Advisory Committee Aeronautics -- Report
1930
48 pages
15 Figs.
Report
English
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