TRACK FASTENINGS – 5mm (3/16") countersunk fasteners at 100mm (3 15/16") centres
STOP HOLES – 50mm (1 31/32") centres

MINIMUM CURVE RADIUS

For 50mm (1 31/32") car. Min horizontal 'A' curve radius = 1500mm (59"). Min horizontal 'B' curve radius = 1500mm (59").

For 57mm (2 1/4") car. Min horizontal 'A' curve radius = 1500mm (59"). Min horizontal 'B' curve radius = 1500mm (59").

For 70mm (2 3/4") car. Min horizontal 'A' curve radius = 2500mm (99"). Min horizontal 'B' curve radius = 3000mm (118").

For 85mm (3 11/32") car. Min horizontal 'A' curve radius = 3500mm (138"). Min horizontal 'B' curve radius = 4500mm (177").

For 100mm (3 15/16") car. Min horizontal 'A' curve radius = 5000mm (197"). Min horizontal 'B' curve radius = 5500mm (217").

For 148mm (5 27/32") car. Min horizontal 'A' curve radius = 11000mm (433"). Min horizontal 'B' curve radius = 15000mm (591"). Standard low profile track has stop holes to accept cars with plunger stops.