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Some of you may recall a few months ago I had a problem with an unwanted camber on my layout, it was as the track came out from the pumphouse tunnel it ran through a long straight and into a left hand R3 (approx) curve. The track had a distinct lean on it the wrong way and I could not get rid of it. I have layed a lot motre track since then and suddenly it has popped up again, this time at the other end of my area 3. It has a long R3 curve, a straight then a smaller R3 curve in the same direction and suddenly it appeared again, it had an outward facing camber that i didn't want and couldn't get rid of. We are using club track and each section is 3.69 m or 12 ' long and what we do is bend one rail to suit the way and then after carefully marking the original we bend the the second rail to exactly (exactly as we can) match the original. The problem is that they are so long it is hard to get them to lay in there correct positions without putting undue forces on them and spoiling the measurement and achieving an unnatural lie. So what we did was to take the whole assembly back and lay it out on our flat garage floor and sure enough it did have a twist in it, even on the garage floor, so it certainly did have a problem. So then we pulled all the sleepers (ties) off and laid th eindividual rails on the flat and sure enough they sat there straight and true, so it must have been something we did. We thought that being identical may be the problem, so we carefull layed them side by side 45 mm apart and there it was, they were nothing like being true and parallel to each other. A funny thing the origonal seemed to be wromg and the copy seemed to be ok, so we modified the original to run parallel to the copy ,45 mm away. We assembled it again and laid it out on the garage floor and it was just right. flat and true and that was the problem. it is in and working just great now. So that is the trouble, the rails were not properly equal and parallel, so strains were introduced and the assembly twisted and buckled. Ian the track laying King.
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