Identifier: philtrans05546449 (find matches)
Title: On the Resistance to Torsion of Certain Forms of Shafting, with Special Reference to the Effect of Keyways
Year: 1900 (1900s)
Authors: Filon, L.
Subjects: Proceedings of the Royal Society of London Philosophical Transactions of the Royal Society
Publisher: Royal Society of London

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beinp^ always diminished gind the m.aximum stress very often increased. This remark,I may add, applies to all the sections dealt with in this paper« This usefulness or efficiency decreases as the neciv of the section becomes morenarrow, as, indeed, might have been anticipated. Other sections worked out are those correspond.ing to angles between theasymptotes of 90° (%\ 3), 60° (fig. 4), and 0° (fig. 5); in the latter case the sectionsdegenerate into ordinary elliptic sections with tv70 straight slits, or indefinitely thin TOESION OF CERTAIN FOKMS OF SHAFTING. 313 keywajs, cut into them along the major axis, as far as the foci. The stress at tliefoci, however, is then theoretically infinite. It is interesting to see how, as we make the bend roiuid the foci sharper, thevahies of a, for which the two fail-points break up into four, become larger and larger. t % 5- Fig. 7.
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