Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 142
aft is a part of a machine or system of machines, and isused to transmit power by virtue of its torsional strength, or resist-ance to twisting. Shafts are almost always made of metal and areusually circular in cross-section, being sometimes made hollow. 90. Twisting Moment. Let AF, Fig. 54,… … Fig. 54. are twisted when it is transmitting power; and by the twistingmoment at any cross-section of the shaft is meant the algebraicsum of the moments of all the forces acting on the shaft on either * XoTE. The structviral steel handbooks contain extensive tables bymeans of which the design of…
Architecture · Building · Carpentry
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