Model Railroad Hobbyist | May 2015 | #63 MRH Q-A-T column compiled by Joe Brugger Questions and Answers Superelevated curves Q. I’ve never built a layout with superelevated curves, but after seeing some really cool pictures taken on layouts that have them, I’d like to give it a try.  How much do you superel- evate the curves? Do superelevated curves cause any problems with long trains? Should I lay down a fillet of vinyl spackling to fill the void from elevating the outside edge? —Paul Krentz A. Crandell: Generally, less is more.  With a small increment, you are on the right track. Superelevation has two main con- siderations: speed and curvature.  I have seen steam-headed drag freights rounding superelevated curves at a crawl in the prototype that made me wonder if it was safe. I have video of hulking Norfolk & Western articulateds seeming to want to tip over on curves elevated so much that it was scary, but they trundled right along.  Later, a fast articulated A Class came XX MRH QUESTIONS, ANSWERS, AND TIPS MRHMAG.COM • TABLE OF CONTENTS • INDEX