Facts and features
Name: Mon Yough Valley RR
Scale: HO and HOn3
Size: model railroad: 41 x 53 feet, room: 44′-0″ x 55′-6″
Prototype: freelanced Class I and short lines
Locale: western Pennsylvania
Era: late 1950s – early 1960s
Style: walk around with operator aisles
Mainline run: combined double track main of 13.5 scale miles.
Minimum radius: 32″ (main), 22″ (industrial and branch lines)
Minimum turnout: No. 6 (main), No. 4 (yards and industries)
Maximum grade: 2.5%
Benchwork: open grid, L-girder, and modular table top
Height: 43″ to 53″
Roadbed: spline and 3∕4” plywood topped with Homasote
Track: code 100 (main), code 83 (sidings, yards, and shortlines), and code 70 (HOn3)
Scenery: carved plaster, insulation foam board, and spray insulation foam
Backdrop: photos and hand-painted
Control: DC/DCC hybrid system
