Torsional strength of stiffened D-tubes

E. S. Kavanaugh, William Dale Drinkwater
May 1951

The present report covers a series of torsional tests on stiffened D-tubes of alclad 24S-T3 aluminum alloy having a cross section similar to the NACA 0012 airfoil section and a closing web at 30 percent of the chord.

An Adobe Acrobat (PDF) file of the entire report: