Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 117
y be P subjected to is-^=, and, therefore, the maximum external moment at the 104 MACHINE DESIGN hub is 2PL N From mechanics, the internal moment of resistance SIof any beam section is —-, and equilibrium of the beam can be satisfied only when the external moment is equal to the internal momentof… … either of these sections the fraction is approximately equal to 0.0393/t3. For con-venience—the error caused being on thesafe side—L may be taken as equal to the Fig. 61. Elliptical Arms fuU radius of the puUey R wnence ^ = 0.0393OT (61) in which S may be from 2,000 to 2,250 for cast iron. Taking…
Machine design
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