The early version of O'Brien. I didn't like the flat top frame or the 1 1/2" center spacing. I'm setting this module aside for now.
Double 24"x48" modules.
Double 42" x 24" Modules to make a 7 footer. I'm not fond of deep 24" modules, but I want to put some big warehouses to use.
Makes its way out of the canyon.
Passes Sergeant Yard.
At Palin Bridge
PNRM sig RoadRailer
More info and lots more pictures at: http://www.pbase.com/atsf_arizona/national_train_show_2008_layouts&page=all
Using the NMRA gauge to show the problem with a 1" wide spiral helix. In particular note how the left side of the gauge sits atop the line...