> Jim and Cheryl Martin wrote:
> For rigidity, Keith used quarter-inch
> by four-inch steel plates sandwiched
> between 1 by 4s.
"S"peaking of rigidity, I have a modular staging yard under construction using
hollow core door panels about six feet long. Lemmee tell ya, they sag!
However, with a 4" wide piece of 1/4" plywood screwed and glued along both long
edges, they are quite stiff. No Viagra needed. And the edge sticks up an inch
or so above the track to make sure the trains do not fall to the floor.
Perhaps you can experiment a bit with some really lightweight edge strips of
plywood and see how it works for you. In my case, it worked very well. Good
luck...Ed L.
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