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I totally agree with you Vic. What gives with all the changes? I am looking at buying a USA Trains Big Boy (engine and tender it is 57" long) that requires a minimum 16' curve! I'm not so sure I have the room at present but will hold onto it all the same until I figure out what to do.  I am just getting back into model railroading and am confused as to what an R3 curve is. I know curves by the standard 4' - 20' terms how do they corolate to the R3's and the like?<br />
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