Steam boiler explosions, in theory and in pactice; . the running parts of the machinery, and madevery complete destruction of the whole engine. Therewas no indication, that the Author could detect, of low-water ; and he attributed the accident to weakening ofthe fire-box sheets at the lower parts of the water-legsby corrosion. The bodies of the engineer and firemanwere found several hundred feet from the wreck, the * The theoretical effect of good gunpowder is about 500 foot-tons perpound (340 toum-metres per kilogramme), according to Noble and Able THE RESULTS OE EXPLOSIONS. 135 former among
Steam boiler explosions, in theory and in pactice; . the running parts of the machinery, and madevery complete destruction of the whole engine. Therewas no indication, that the Author could detect, of low-water ; and he attributed the accident to weakening ofthe fire-box sheets at the lower parts of the water-legsby corrosion. The bodies of the engineer and firemanwere found several hundred feet from the wreck, the * The theoretical effect of good gunpowder is about 500 foot-tons perpound (340 toum-metres per kilogramme), according to Noble and Able THE RESULTS OE EXPLOSIONS. 135 former among the branches of a tree by the side of thetrack. This violence of projection of smaller masseswould seem to indicate the concentration of the energyof the heat stored in the boiler, when converted intomechanical energy, upon the front of the boiler, and itsapplication largely to the impulsion of adjacent range of projection was, in one case, fully equal tothe calculated range. The energy expended is herenearly the full amount Fig. 37.—Explosion of , N. Y. Figures 37, 38, 39, 40 illustrate the explosion of twolarge boilers which produced very disastrous effects,* * Scientific American, Mav 20, 1882. STEAM BOILER EXPLOSIONS. killing the attendant and destroying the boiler-houseand other property. These boilers were horizontal, internally-fired, drop-flue boilers, seven feet diameter and twenty-one feetlong, the shells, single riveted, originally five-sixteenthsof an inch thick. The two exploded boilers were made twenty-oneyears before the explosion, and worked, as their makersintended, at about thirty pounds per square inch, untilabout twenty months before the explosion, at whichtime additional power was required, and the pressurewas increased to, and limited at, fifty pounds.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsteambo, bookyear1887
