Possibilities of Steam Railway Electrification
Possibilities of Steam Railway Electrification
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In our eReader you can find the full English version of the book. Read Possibilities of Steam Railway Electrification Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Possibilities of Steam Railway Electrification
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Since horse-power is proporfional to the product of speed by tractive effort, it follows that the maintenance of this tractive effort constitutes a demand for horse-power w r hich is directly proportional to the speed of the train. To take an example, a train weighing 500 tons when on a gradient of 1 : 30 requires a constant tractive effort to be applied to it merely to overcome gravity, of about 37, 400 Ibs. At a speed of ten miles per hour, the horse-power corresponding to this is 1, 000 H. P.... While at 15 miles per hour it would be 1, 500 H. P. The locomotive is called upon to develop this horse-power continuously in addition to the horse-power which it would have to develop to haul the same tram at the same speed upon the level. Any system of traction which can provide very powerful propelling machines is obviously peculiarly fitted for such duty- electric traction is such a system. Electric traction also possesses other marked advantages for heavy gradient working which are of equal or greater importance (see pages 14 and 15).
What to read after Possibilities of Steam Railway Electrification?
You can find similar books in the "Read Also" column, or choose other free books by Anne Faulkner Oberndorfer to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Since horse-power is proporfional to the product of speed by tractive effort, it follows that the maintenance of this tractive effort constitutes a demand for horse-power w r hich is directly proportional to the speed of the train. To take an example, a train weighing 500 tons when on a gradient of 1 : 30 requires a constant tractive effort to be applied to it merely to overcome gravity, of about 37, 400 Ibs. At a speed of ten miles per hour, the horse-power corresponding to this is 1, 000 H. P.... While at 15 miles per hour it would be 1, 500 H. P. The locomotive is called upon to develop this horse-power continuously in addition to the horse-power which it would have to develop to haul the same tram at the same speed upon the level. Any system of traction which can provide very powerful propelling machines is obviously peculiarly fitted for such duty- electric traction is such a system. Electric traction also possesses other marked advantages for heavy gradient working which are of equal or greater importance (see pages 14 and 15).
What to read after Possibilities of Steam Railway Electrification?
You can find similar books in the "Read Also" column, or choose other free books by Anne Faulkner Oberndorfer to read onlineMoreLess
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