Originally Posted by Bobby Ogage:
Minimum standard based on the overhang of running large steamers on 042 curves
Thanks, problem I have is that I have MTH double portals to go through four walls with a measurement of 7-3/8" inside dimensions.
What would be my spacing, I would think at best, 4.5" center to center leave me just under 1" from outside rail to side of tunnel wall?? Any comment welcomed