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switch radius

  1. Atlas 543 switch does not match 18" radius curve

    HO Scale
    Hi guys, I've got a small (33" w by 72" l) oval layout and I've got an issue with the dimensions of one of my switches. My layout's curves are mostly 15 inch radius Atlas code 83 22.5 degree pieces, with a single 18 inch radius piece in each of the semicircles. The two 18 inch radius pieces...
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