. Book of the Royal blue . l J. Hayes in1857. Mr. Hayes was then Master ofMachinery for the B. & O., and hedetermined to build some wood-burningengines with inside cylinders. As insidecylinders demand forged cranks on thedriving axles, and as these crank axlesare liable to fracture with excessive branch road. But the latest example ofengine building, as illustrated by theten-wheeled consolidated passenger en-gines at present in use on the B. & , brings up such magnificent con-centration of speed, strength and endur-ance as were never before seen in thehistory of the world. These engines
. Book of the Royal blue . l J. Hayes in1857. Mr. Hayes was then Master ofMachinery for the B. & O., and hedetermined to build some wood-burningengines with inside cylinders. As insidecylinders demand forged cranks on thedriving axles, and as these crank axlesare liable to fracture with excessive branch road. But the latest example ofengine building, as illustrated by theten-wheeled consolidated passenger en-gines at present in use on the B. & , brings up such magnificent con-centration of speed, strength and endur-ance as were never before seen in thehistory of the world. These engines have six coupledwheels, six feet six inches in diameter,cylinders 21x26 inches, and a steampressure of 170 pounds to the squareinch. They haul the Royal Blue Linetrains, and on many occasions have gonea mile in fifty seconds, while one of themhas been timed covering a mile in thirty-two seconds. As to strength, one ofthem has hauled five Blue Line carsfrom Baltimore to Washington, fortymiles, in thirty-six
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Keywords: ., bookauthorbaltimoreandohiorailr, bookcentury1800, bookdecade1890
