The Torsion of Members Having Sections Common in Aircraft Construction (1930)
NASA Technical Reports Server (NTRS) · leaf 8
he slope of the film at the corresponding point with respect to the plane of its boundary. 2. The contour lines of the film represent the direction of the resultant shear stress at every point. - 3. The torsional rigidity of the section is proportional to the volume between the soap film and the… … Figure l.-Apparatus for applying torque to structural shapes and measuring the angle of twiSI apparatus was patterned after that used by Griffith and Taylor and described by^them m Advisory Committee for Aeronautics (British) Reports and Memoranda No. f™'*"™' ™1^ As pointed out, the stresses in the…
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