. Railway mechanical engineer . Fig. 3—Test Spring With Spring Link The results to date of the adoption of these springs havebeen satisfactory in every way and are shown in Table III. Table III—Springs Broken 1914 1915 Engine No. Carbon steel Vanadium steel 22 37 4 23 44 4 38 25 1 99 29 I 108 29 0 112 23 3 160 42 2 163 13 1 166 20 2 •167 29 6 291 24 *In this case broken vanadium steel springs were replaced with ordinarysteel springs which failed to stand up with the vanadium springs. In the case of carbon steel springs the repairs to damagedsprings were carried out at the compan
. Railway mechanical engineer . Fig. 3—Test Spring With Spring Link The results to date of the adoption of these springs havebeen satisfactory in every way and are shown in Table III. Table III—Springs Broken 1914 1915 Engine No. Carbon steel Vanadium steel 22 37 4 23 44 4 38 25 1 99 29 I 108 29 0 112 23 3 160 42 2 163 13 1 166 20 2 •167 29 6 291 24 *In this case broken vanadium steel springs were replaced with ordinarysteel springs which failed to stand up with the vanadium springs. In the case of carbon steel springs the repairs to damagedsprings were carried out at the companys works, where the. 4—Adjustable Spring Link Used On Main Line Locomotives skill and appliances are not equal to tlie makers, so that theproportion of about 12 to 1 should be reduced to about 6 to1, even then the economy is remarkable. As a test six new carbon springs were put in as frommakers in an engine where vanadium had lasted 12 weeks,the new carbon spring failed in 2 weeks, whereas the repaired carbon only lasted one week. In the case of the breakage ofordinary steel springs, as a rule, it involved replacing halfthe number of plates, whereas in the case of the vanadiumsteel springs only one or two plates, usually top plates, re-quire replacement. The vanadium steel springs were supplied at an additionalcost of roughly 50 per cent, or £9 for the set of 6 springs—no calculation is required to show how rapidly this is re-couped when the changing or repair of defective springs,lifting of locomotive, loss of service of locomotive, etc., istaken into consideration. These prices refer to normal year
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
