File:American engineer and railroad journal (1893) (14758595794).jpg

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English:

Identifier: americanengineer83newy (find matches)
Title: American engineer and railroad journal
Year: 1893 (1890s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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. Where possible short springs should be avoided and also nar-row ones. Long springs with wide plates give the most evendeflections, taking up shocks most effectively. Springs equalizedtogether should have equal deflections under the same workingloads as far as possible. An example is given in the case of aspring with a span of 26 in. and 3i in. leaves which was equal-ized with a spring having a 38 in. span and 7/16 in. leaves. Thisshort spring gave very poor service. However, by reducing thethickness of the plate, with still about the same fibre stress, muchbetter results were obtained. The aim should be to increase thedeflections for given loads on short springs and decrease themon long springs which are equalized together. The formula fordeflections shows that it varies directly as the square of thelength of span and inversely as the square of the thickness. Canada requires pi cars to be lighted by Pintsch gas, acetylene or electricity. 59 60 AMERICAN ENGINEER AND RAILROAD JOURNAL.
Text Appearing After Image:
£ s o H SI z o aZ < o H Id ARTICULATED COMPOUND LOCOMOTIVE 0-6-6-0 TYJM Denver, Northwestern & Pacific Railway. The American Locomotive Company has recently delivered tuthe Denver, Northwestern & Pacific Railway, generally knownas the Moflfatt road, a Mallet articulated compound locomotive,which is shown in the accompanying illustration. The topographyof this road would seem to be particularly well adapted for thearticulated type of locomotive, and judging by experience onother roads, under similar conditions, this will probably proveto be the forerunner of further equipment of the same kind. The district in which these engines will be put in operationhas a deep sag at Boulder, Colo., or. either side of whichthere is a continuous grade for about 17 miles, which reachesa maximum of four per cent., the line being practically a con-tinuous series of curves. Trains of 500 tons are now being op-erated in good weather by two and in bad weather by three con-solidation locomotives

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https://www.flickr.com/photos/internetarchivebookimages/14758595794/

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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
83
Flickr tags
InfoField
  • bookid:americanengineer83newy
  • bookyear:1893
  • bookdecade:1890
  • bookcentury:1800
  • booksubject:Railroad_engineering
  • booksubject:Engineering
  • booksubject:Railroads
  • booksubject:Railroad_cars
  • bookpublisher:New_York___M_N__Forney
  • bookcontributor:Carnegie_Library_of_Pittsburgh
  • booksponsor:Lyrasis_Members_and_Sloan_Foundation
  • bookleafnumber:79
  • bookcollection:carnegie_lib_pittsburgh
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014


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