S3.2.1 General
S3.2.1.1 The center-line of the all tracks shall be 4 inches or more from the sides of the module at all times. (FAQ 3.1)
S3.2.1.2 On a Single-track module, the through track shall be centered on the 24-inch end plate. (FAQ 3.4)
S3.2.1.3 On Double-track modules, the two through track center-lines shall be spaced precisely 2 inches apart and centered on the 26-inch end plate. (FAQ 3.5)
S3.2.1.4 Track on the through route must be perpendicular to the end plate for 6 inches from each end of the module.
S3.2.1.5 Track on the through route must be straight and level for 6 inches from each end of the module.
S3.2.2 Mainline
S3.2.2.1 Track on the through route of a Mainline module must be Nickle silver be Code 70 or smaller, but no less than Code 55.
S3.2.2.2 The Minimum permitted curve radius on a through route of a Mainline Module is 36 inches. This includes through track sidings and other tracks where through traffic will run.
S3.2.2.3 Spacing between tracks on curves of a Mainline Module shall allow for long cars to operate without fouling each other; observe NMRA Standards S-8 Track Centers for “Class II” equipment.
S3.2.2.4 Mainline maximum permitted grade on the through route is 3.0 percent (approximately 3/8 inch per foot).
S3.2.3 Branchline
S3.2.3.1 Track on the through route of a Branchline module must be Nickle silver be Code 70 or smaller, but no less than Code 40.
S3.2.3.2 The Minimum permitted curve radius on a through route of a Branchline Module is 24 inches. This includes through track sidings and other tracks where through traffic will run.
S3.2.3.3 Spacing between tracks on curves of a Branchline Module shall allow for long cars to operate without fouling each other; observe NMRA Standards S-8 Track Centers for “Class II” equipment.
S3.2.3.4 Branchline maximum permitted grade on the through route is 4.0 percent (approximately 1/2 inch per foot).
S3.2.4 Sidings
S3.2.4.1 Sidings, spurs and other tracks may be Code 70 or smaller, but shall be no less than Code 40.
S3.2.5 Turnouts
S3.2.5.1 Turnouts shall be at least #6, #8 recommended.
S3.2.5.2 The points of a turn out shall not be within 4″ of the end of a module.
S3.2.6 Curves
S3.2.6.1 There shall be a minimum of 8 inches of straight track between reverse curves.
