Hi, I've posteed about this rollercoaster already, so some of you may or may not recognize the whole idea but basically I have to construct a miniature rollercoaster for a ball bearing to run through. Now, my question here is much much differnt. I'm not looking for ideas or design tips, but rather, structural integrity input. I'm using 1 inch (the hole in the center) clear plastic tubing that has wire lining the walls inside of a thick rubber wall, so as a full tube, the stuff is VERY strong, not SUPER easy to bend, but it will still bend without kinking. My question is this: If I were to half (or even quarter) the tubing in order to see at least half of the bearing above the walls of the "rollercoaster" track/tubing, would this tubing become extrmely flimsy t the point that I cannot use it? The thing is, I only have 70 feet of it in total so i don't want to risk wasting any of it, and plus, it's expensive stuff.