Thanks! I finally got the cars painted yellow too. I want to still add some detail to the cab and boiler but haven't gotten around to it yet. Once I expand my layout, I actually want to bank the curves so it's more like Big Thunder Mountain track. The engine can take the curves at a higher speed if they're banked. Right now if it goes to fast it crashes down the mountain... Not good! But it fits in with the theme!
Don't raise the drawbridge, lower the river... You want it to stay on the tracks you need to figure out how to both bank the curves, and add up-stop wheels (or at least skids) just like the Prototype BTMRR.
Building tubular track that could handle standard Lionel trains with added up-stop wheels/skids would be a neat trick, but not too bad technically IMNSHO - The easy part would be to have a batch of track spreaders laser-cut from 1/8" cold-rolled-steel sheet stock, then you hand bend the curves in the running rails out of 1/8" Brass Rod stock and silver-braze or TIG weld the rails to the spreaders to hold gauge.
The third rail would be a little more fun to make, as you need to come up with an easy way to mount the Brass Rod on insulators. Sometimes an Idea is just crazy enough that it screams to be let out...
--<< Bruce >>--