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Torby got me thinking about this... If you can make the section of track just for the trolly, and depending how long the bridge ~CAN~ be.... Then cut track sections just a little longer than the trolly. Devise a simple way of mounting a pivot in the middle of each track section............ you're making a teeter-totter that rocks back and forth. You will have to limit the amount of movement and may want to have a small counterweight to keep the "entrance" section at the "exit" level. As the trolly goes over the fulcrum point, the trolly's weight makes the track rock down to the next section where the same method is used. Have several of these teeter-totter sections in a row for a wild, rocking ride. If using track power, each section, of course, must have its own power feed. You can hide the mechanism by having a high curb at the bridge deck level. You could also make this deck curb wavey , distorted and deteriorated, in an up & down fashion to enhance the illusion and partially hide the workings behind it when viewing from the sides. FWIW WB [quote]QUOTE: Originally posted by Torby [2c]I think I'd build it ... Give it a solid foundation and moving parts. A spring holds the "flimsy" parts up, and the bridge is built to look "straight" with the spring holding it up. When the train comes, it presses the moving structure down to its solid foundation, where it's meant to operate, and the moving structure, which is just decorative, is out of place and distorted, making it all LOOK like it's about to fall down, but is actually on a solid structure. Disclaimer: I've been thinking about this since the initial posting, but I haven't followed the thread[:-,] [/quote]
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