. American engineer and railroad journal . th we printed a number of drawings of cast-steeldriving wheels to show the possibilities of weight saving. Thedrawings which are now presented bring out other show six designs of cast-steel driving wheels made bythe Sargent Company of Chicago for as many different rail-roads. These range in diameter from 44 to 60 inches, and theweights are given in most of the engravings. Attention should be directed to the location of the divisionsin the rims of cast-steel wheels. These are for the purpose ofdisposing of the internal stresses in the cas
. American engineer and railroad journal . th we printed a number of drawings of cast-steeldriving wheels to show the possibilities of weight saving. Thedrawings which are now presented bring out other show six designs of cast-steel driving wheels made bythe Sargent Company of Chicago for as many different rail-roads. These range in diameter from 44 to 60 inches, and theweights are given in most of the engravings. Attention should be directed to the location of the divisionsin the rims of cast-steel wheels. These are for the purpose ofdisposing of the internal stresses in the castings due to theunevenness of section through various parts of the rim should be cut on both sides of the spokes runninginto the crank hub and into the counterweight. The reasonfor this is clear, but it is not always remembered by thedraftsman in designing driving wheels. Wheels have beenmade successfully without cutting the rims, but it is believedto be safer to cut them. There are differences of opinion with regard to the best. wb«i AT-?,- * vtighi Ftoo( 6«1« 0 1U0« R«r sei* s liJO* Fig. Central R. R.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
