Image:Walschaerts motion.gif

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Walschaerts_motion.gif‎ (549 × 168 pixel, file size: 255 KB, MIME type: image/gif)

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This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it.

This image was selected as picture of the day for September 1, 2006.

In this animation, the red color represents live steam entering the cylinder, while the blue represents expanded (spent) steam being exhausted from the cylinder.

Use Image:Walschaerts motion frame.png for a thumbnail.

[edit] Definition of parts

Eccentric Crank (Return Crank)
Eccentric Rod
Reach Rod
Lifting Link
Lifting Arm
Reverse Arm & Shaft
Link (Expansion Link)
Radius Bar
Crosshead Arm (Drop Link)
Valve Stem Guide
Union Link (Anchor Link)
Combination Lever
Valve Stem
Valve Spindle

[edit] Summary

Edited version of Walschaert_gear_forward.gif

Created by R. A. Booty, 2001

From http://home.new.rr.com/trumpetb/loco/rodsf.html with permission.

Copy from English wikipedia

[edit] Licensing

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".