The Miniature Railway Supply Co Ltd
42 Stratford Way, Boxmoor
Hemel Hempstead, Herts HP3 9AS
Phone/24hr Answerphone/Fax 01442 214702
International Phone/Answerphone/Fax +44 1442 214702

Rail Expansion Chart

The following pages note the rail expansions for our most popular rail, to help calculating gapping distances during track laying
5/8" Aluminium Alloy Rail - 2.5m lengths
5/8" Aluminium Alloy Rail - 4m lengths
21mm Aluminium Alloy Rail - 3m lengths
21mm Aluminium Alloy Rail - 4m lengths
2lb/yd Steel Rail - 3m lengths
6lb/yd Steel Rail - 6m lengths

To obtain a wider operating range, the bolt clearance will need to be increased, this can either be acheived by increasing the length of the holes in the rail ends, or by reversing the fishbolts on one side of the rail
See here

This data only applies to Miniature Railway Supply Company products

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