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I tried a 1/4" super elevation on my 24" curves and all rolling stock derailed everytime. From what I detemined, the elevated external rail lifted the exterior wheels causing the interior wheels to lift off the rails. Perhaps more play in the "loose" trucks would help.
Here is an interesting pc of the external tracks are flat but the 2nd set are super elevated.
Here is an interesting pc of the external tracks are flat but the 2nd set are super elevated.
The external tracks have the largest radius, so naturally they'd have the least superelevation. This is normal.
We found the easiest way possible to super elevate HO track tonight. We were working on a Free-mo module and found two sticks of Micro Engineering flex with code 83 on one side and code 70 on the other.

If that picture is where I think it is (just west of Barstow), the first track is actually a siding and not part of the main line, so no superelevation is needed.
Mac, having two different size rails is certainly one way to get superelevation.

While we're on the subject of superelevation...
Say I have a curved passing siding. On the inside track is a small passenger station.
Do I superelevate either track? I'd love to superelevate most of my curves, as Superliners look kinda crappy on 22" radius curves otherwise

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