... . Happy modelling. Stuart posted: 18 Mar 2012 21:44 from: Martin Wynne jeffthom wrote: I have found nothing yet on the British letter scheme (A- F) of denoting switch point length. I presume this relates to concerns over long, fragile point ends. Do you know of a handy standard or reference? Hi Jeff, All the data is in Templot. Go to template> switch settings... menu item. Make sure to read the red note at the bottom of the dialog: 2_181636_260000000.png Click the? help F1 button for some general notes about different switches. Select a switch in the list and click the show switch info button to see the actual dimensions. A is the shortest (1 :24 deflection angle). F is the longest (1 :80 deflection angle): semcu_sw.gif More info: http://www.templot.com/martweb/gs_realtrack.htm#switch_types Lots of technical stuff: http://www.scalefour.org/resources/gwrtracknotes1.html http://www.scalefour.org/resources/gwrtracknotes2.html regards, Martin. ...