When I started running 2-rail equipment at the club (MTH scale-wheeled locomotives and various rolling stock), I quickly found out where our track work had become compromised from years of thermal expansion/contraction and coastal moisture tweaking our benchwork. While it didn't have an impact on hi-rail equipment, my six-axle diesels would find them and we'd fix the problems. Made things better all around, but we're looking at a major reworking of a large curve by the farm on both mainlines because the 20-plus years have taken their toll on the Gargraves flex (we're looking at replacing it with Atlas O-99 and O-108 fixed curves). The benchwork decks are all 1/2" plywood so our vertical curves are well eased and our grades are 1.5% on the mains and 2% on the branch.
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