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File:Brake Diagram.png

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Description
English: This is a brake diagram, intended to show the lever and rod arrangements. It is flattened into two dimensions for that purpose. Gray areas give only the general shape of the railroad car. Rod lengths are not accurate (and don't matter). Lever lengths are accurate from the Ann Arbor Railroad drawings for a 77 ton gondola, #2000 to #2094, built 1969. Note how the lever length ratios lead to equal pressure applied to each axle.
I drew it for Wikipedia on Feb. 25 2008 from an Ann Arbor Railroad mechanical drawing of Nov. 25 1969, in turn from the book "Freight Cars of the Ann Arbor Railroad 1947-1985" by Craig Wilson, published 1989 by the Ann Arbor Railroad Technical & Historical Association. Software used: Appleworks 6.
Date 26 February 2008 (original upload date)
Source Transferred from en.wikipedia to Commons by Oxyman using CommonsHelper.
Author Harpwolf at English Wikipedia
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Harpwolf at English Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
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Attribution: Harpwolf at English Wikipedia
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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2008-02-26 04:52 Harpwolf 1750×659× (58062 bytes) Drawn for Wikipedia by Robert MacDowell on Feb. 25 2008 from an Ann Arbor Railroad mechanical drawing of Nov. 25 1969. Software used: Appleworks 6.

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26 February 2008

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Date/TimeThumbnailDimensionsUserComment
current11:43, 12 June 2009Thumbnail for version as of 11:43, 12 June 20091,750 × 659 (57 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|This is a brake diagram, intended to show the lever and rod arrangements. It is flattened into two dim

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