Mechanics of engineering. Comprising statics and dynamics of solids: and the mechanics of the materials of constructions, or strength and elasticity of beams, columns, arches, shafts, etc (1888)
Church, Irving P[orter], 1851- [from old catalog] · New York, J. Wiley & sons · leaf 253
given speed. S may be made 7,000 lbs. per sq.inch for wrought iron ; 10,000 for steel, and 5,000 for cast-iron. If the value of Pa fluctuates periodically, as whena shaft is driven by a connecting rod and crank, for (H. P.)we put raX(H. P.), m being the ratio of the maximum tothe mean torsional… … Fig. 317. 217. The test-piece is of a standard shape and size, itscentral cylinder being subjected to torsion. A jaw, carry-ing a handle (or gear-wheel turned by a worm) and a drumon which paper is wrapped, takes a firm hold of one endof the test-piece, whose further end lies in another jawrigidly…
Mechanics, Applied · Engineering · Strength of materials
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