Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 361
14.—Moment of Resistance of a Shaft.^ >7o prove the rule for the moment of resistance of a solidshaft of circular section, viz., .R. = or more accurately M.R. = where D is diameter ofshaft, and S is stressat surface of shaft. 1st proof—approximate —figure 135. Suppose the sectionof the shaft to… … Fig- 135- Area of outer ring = ARx2irx-x llj_^^ 5 50 Area of 2nd ring = ^ R x 2 tt x - = ^ ^ ^\ 5 50 Area of 3rd ring = T^Rx27rx?= I£J!LA\ S 50 Area of 4th ring = ^»^Rx2jrx^ = ^^ ^\ 5 50 Area of 5th ring =j^Rx27rx?- = ^ ^.^ 5 50 STRENGTH OF SHAFTS. 359 The next step is to multiply the area of each…
Naval architecture
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