Babendreier, Arthur O. [from old catalog], Maryland institute for the promotion of mechanic arts and design, Baltimore. [from old catalog] · Baltimore, Md., The Maryland institute for the promotion of mechanic arts and design · leaf 93
ied by Zt, thesection modulus for torsion; a constant determined bythe shape of the cross-section of the shaft. Now, as RT = SxZt so also mustWXL = SXZt The permissible unit working stress S may be takenas 9,000 lbs. per square inch for steel. The section modulus for torsion or the constant Zt for…
Mechanics
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