... even made a table to calculate the expansion of aluminium strip with temperatures when i am going to lay them down All the help/idea's/comments, i can get is really appreciated! this is not for a frog or ten or 50 meters of track.... Thanks in advance, with best regards Igor Kurgan. Ps sorry for my bad English, it is not my native language or what the teachers tried to learn me at school...that was global english and not English! Cheers it is Friday: 3669_261149_090000000.jpg Yes it is a experimental table and yes i still need to cut some putty away Enjoy your free time have a good weekend. posted: 26 Jun 2020 18:17 from: Phil O Igor, What are the dimensions of your rail? Phil posted: 26 Jun 2020 18:50 from: Igor Kurgan Phil O wrote: Igor, What are the dimensions of your rail? Phil 2 mm thick 10 mm wide and as long as you want All in between measurements are 44.8 mm, in the 2 meter ...