Lynch said:
"Logically, you'd think they'd paint them, especially since all the new B&M coasters have painted running rails, not to mention all the ruined shirts from runoff after a rain."
Actually, Wildfire does not have painted rails. I don't believe that Batman Knight Flight or Medusa West have painted rails, either.
Maybe it's just that their newer inverteds have painted rails, but then, why doesn't Dueling Dragons have painted rails? I've often wondered why some do and some don't. I guess that if you paint the rails, they look bad once the wheels wear off a trail. But if you don't, then you get the rust problem. Most likely the individual park chooses whether or not to paint the rails, but I'm not sure of the advantages and the disadvantages of each.
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Mamba--One of the Tallest, Longest, Fastest Roller Coasters in the World
Adam Rentchler