Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 242
the lower end, with the fracture extending upwards nearly twelve inches. Between these points the shaft was completely broken in two places about five inches apart, with the short section split in four pieces. The photographs, which are a little over one-sixth size, show the broken shaft plainly.… … The shaft which was broken is the one operated by the loose-fitting clutch coupling. Mr. Sullivan's theory of the break, with which the writer agrees, is that it was due to the shocks caused by the one-inch lost motion in the coupling in starting and stopping the bridge. Count- ing four shocks…
Engineering
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