This historic book may have numerous typos and missing text.
Purchasers can download a free scanned copy of the original book
(without typos) from the publisher. Not indexed. Not illustrated.
1909 Excerpt: ...this question on an entirely different basis, in
which I was subsequently assisted by Mr. Spillsbury of our Bridge
Department whose mathematical analysis was so far superior to that
I had developed, that we prepared a joint article for the American
Engineer and Railway Journal, in which the assumptions I had
considered as reasonable were outlined, and the results obtained
from these assumptions through Mr. Spillsbury's calculations are
given. By the courtesy of Mr. Wright, Editor of the American
Engineer and Railway Journal, I am enabled to transmit to you this
article, which I consider is most important in view of the present
paper by so high an authority as Professor Benjamin, accepting the
analysis of Prof. Hancock, and I am sure you will be interested in
the results obtained, and I feel that as practical men you will
agree that the results obtained by my analysis, viz., that the blow
from a flat spot approximating that blow at 1,600 pounds weight
falling through one foot, and that the size of this blow is
independent of the speed of the train, agrees very closely with
your practical experience. While, on a passenger car in which we
may have a flat spot, the noise, of course, becomes more frequent
as the speed increases, the sound of the blow does not become
appreciably louder after twenty miles an hour. The article referred
to is the first portion and does not include the mathematical
analysis which will appear in the December number of the American
Engineer, and which is too long to go in here. It is as follows:
EFFECT OF FLAT WHEELS ON EAILS. In the May number of The American
Engineer, page 188, an article appeared by Mr. E. L. Hancock,
discussing the effect of a flat wheel on a rail, in which it was
calculated that the blow delivered by the wheel was...
|Country of origin:
Western Railway Club
||246 x 189 x 2mm (L x W x T)
||Paperback - Trade
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