Weathering Freight cars and Engines - Pictures and Techniques

[Flash Blackman]

While this thread is mostly Z scale, it covers methods, techniques, and examples of weathering (http://www.trainboard.com/grapevine/showthread.php?t=90335) by Tom Mann (http://www.rosetown.ch/News/Weathering.htm) and others. Here is an example (http://www.mannresearch.com/rr/sp/tunnelmotors.jpg) of one of the engines. Thanks to Jurg for many of the links. Here is an example by shamoo737:
http://www.trainboard.com/grapevine/attachment.php?attachmentid=5161&d=1192017359