Transactions of the American Society of Civil Engineers volume 15 Pt 1
Transactions of the American Society of Civil Engineers volume 15 Pt 1
American Society of Civil Engineers
The book Transactions of the American Society of Civil Engineers volume 15 Pt 1 was written by author American Society of Civil Engineers Here you can read free online of Transactions of the American Society of Civil Engineers volume 15 Pt 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Transactions of the American Society of Civil Engineers volume 15 Pt 1 a good or bad book?
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This important condition determines the size, /. E. , diameter, of the pinion for a given pitch. The size of the pitch again depends upon the kind of materials employed, the amount of traction, and the width of the teeth. In the present ladder-rack the pitch is already as small as it possibly could be chosen, and still the necessary diameter of the pinion becomes so large, that, together with the low speed, the power from the steam cylinders has to be transmitted to the pinion by multiple geari...ng. But multiple gearing complicates the locomotive considerably ; it introduces additional frictional losses; its renewal from time to time is expensive; and the additional rotating masses between the pinion and the elastic cushioning steam are not conducive to a soft action. In the present ladder-rack the strains are also very high — especially so on the curves; in fact they are greater than what generally would be considered a safe working strain. A radical increase of traction, as the heavy traffic of a first-class regular line might demand, is altogether beyond the capacity of the ladder type.
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