Facts and features
Scale: HO (1:87.1)
Size: 30 x 42 feet
Prototype: Great Northern Ry.
Locale: central Washington
Era: October 1955
Style: walkaround
Mainline run: 500 feet
Minimum radius: 32″
Minimum turnout: No. 6
Maximum grade: 2.2 percent
Benchwork: L-girder
Height: 42″ to 56″
Roadbed: lattice spline
Track: codes 83 (main line), 70 (sidings and yards), and 55 (some industrial sidings)
Scenery: hardshell and layered extruded-foam insulation board
Backdrop: wallboard
Control: Digitrax Digital Command Control