Locomotive operation; a technical and practical analysis (1904)
Henderson, G. R. (George R.), b. 1861 · Chicago, Railway Age · leaf 338
say, i>4feet above the rail, a total of 6,000 pounds. The moment actinghorizontally upon the truck to overturn it in a forwardly direc-tion is, therefore, 4,200 X 3 + i,Soo X 1/2 = 15,300 foot 15.300pounds, which is resisted by a 7-foot wheel base, so that — • = 2,200 pounds (approximately) is… … Fig. 86. 17,800 cent from the normal weight. We see from this analysis thatthe rear wheels of any truck will lose rail pressure and thefront wheels gain pressure when the brakes are in operation.We saw above that while inside hung brakes increased thebraking pressure on the front wheels of a truck…
Locomotives
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