Chuck Inlow said:Bruce has a short writeup here.
I can build either way as I have lots of wood and 2 sheets (4'x 8') of .080 styene, but I was hoping these were going to be the boxcars with the steel castings on the ends and wood sides. I have 4 sets of castings I want to use.
http://www.jbrr.com/html/composite.html
I should do a build article on them, too.