I
t happens over and over again on model railroads. A 1950s
steam club member shows up on a quiet night with some
modern stuff. Amtrak Superliners. Maybe triple-deck auto
racks. A nice Vert-A-Pac from ExactRail. The train sets off down
the main, leans into a sweeping curve and – WHACK -- one of
the cars takes a plaster divot out of a tunnel portal.
The answer: Although tunnel portals may be set in stone,
freight car clearances are not.
AAR rail clearances - 1
Establish
clearances for
your railroad ...
AAR rail clearances
Calculate your own clearances
1: NMRA HO Mark IV
standard clearance gauge.
1
– Josef Brugger
Model Photos by the author